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Overview
Comment: | Update this project to SQLite version 3.20.0. |
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Downloads: | Tarball | ZIP archive | SQL archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: | 75a2dc42666e1381d9d7476ec436048e |
User & Date: | dan 2017-08-01 14:03:08 |
Context
2017-08-24
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17:00 | Update this project to version 3.20.1. check-in: a283755297 user: dan tags: trunk | |
2017-08-01
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14:03 | Update this project to SQLite version 3.20.0. check-in: 75a2dc4266 user: dan tags: trunk | |
2017-07-10
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18:12 | Fix a documentation typo. check-in: d5a80fe5dd user: drh tags: trunk | |
Changes
Changes to sqlite3/src/main/jni/sqlite/sqlite3.c.
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76737 76738 76739 76740 ..... 77365 77366 77367 77368 77369 77370 77371 77372 77373 77374 77375 77376 77377 77378 77379 ..... 77395 77396 77397 77398 77399 77400 77401 77402 77403 77404 77405 77406 77407 77408 77409 77410 ..... 77466 77467 77468 77469 77470 77471 77472 77473 77474 77475 77476 77477 77478 77479 ..... 77629 77630 77631 77632 77633 77634 77635 77636 77637 77638 77639 77640 77641 77642 77643 77644 77645 77646 77647 ..... 77703 77704 77705 77706 77707 77708 77709 77710 77711 77712 77713 77714 77715 77716 77717 77718 ..... 78859 78860 78861 78862 78863 78864 78865 78866 78867 78868 78869 78870 78871 78872 78873 ..... 78891 78892 78893 78894 78895 78896 78897 78898 78899 78900 78901 78902 78903 78904 ..... 79068 79069 79070 79071 79072 79073 79074 79075 79076 79077 79078 79079 79080 79081 79082 ..... 79610 79611 79612 79613 79614 79615 79616 79617 79618 79619 79620 79621 79622 79623 79624 ..... 79874 79875 79876 79877 79878 79879 79880 79881 79882 79883 79884 79885 79886 79887 79888 79889 79890 79891 79892 79893 79894 79895 79896 79897 79898 79899 79900 79901 79902 79903 79904 79905 79906 79907 79908 79909 79910 79911 79912 79913 79914 79915 79916 79917 79918 79919 79920 79921 79922 79923 79924 79925 79926 79927 79928 79929 79930 79931 79932 79933 79934 79935 79936 79937 79938 79939 79940 79941 79942 79943 79944 79945 79946 79947 79948 79949 79950 79951 79952 79953 79954 79955 79956 79957 79958 79959 79960 79961 79962 79963 79964 79965 79966 79967 79968 79969 79970 79971 79972 79973 79974 79975 79976 79977 79978 79979 79980 79981 79982 79983 79984 79985 79986 79987 79988 79989 79990 79991 79992 79993 79994 79995 79996 79997 79998 ..... 80781 80782 80783 80784 80785 80786 80787 80788 80789 80790 80791 80792 80793 80794 80795 ..... 82263 82264 82265 82266 82267 82268 82269 82270 82271 82272 82273 82274 82275 82276 82277 82278 82279 82280 82281 82282 82283 82284 82285 82286 82287 ..... 83379 83380 83381 83382 83383 83384 83385 83386 83387 83388 83389 83390 83391 83392 83393 83394 83395 83396 83397 83398 83399 83400 83401 83402 83403 83404 83405 83406 83407 83408 83409 83410 83411 83412 83413 83414 ..... 83415 83416 83417 83418 83419 83420 83421 83422 83423 83424 83425 83426 83427 83428 83429 83430 83431 83432 83433 83434 83435 83436 83437 83438 83439 83440 83441 83442 83443 ..... 83540 83541 83542 83543 83544 83545 83546 83547 83548 83549 83550 83551 83552 83553 83554 83555 ..... 83568 83569 83570 83571 83572 83573 83574 83575 83576 83577 83578 83579 83580 83581 83582 83583 83584 83585 83586 ..... 83598 83599 83600 83601 83602 83603 83604 83605 83606 83607 83608 83609 83610 83611 83612 ..... 84844 84845 84846 84847 84848 84849 84850 84851 84852 84853 84854 84855 84856 84857 84858 ..... 85273 85274 85275 85276 85277 85278 85279 85280 85281 85282 85283 85284 85285 85286 ..... 85352 85353 85354 85355 85356 85357 85358 85359 85360 85361 85362 85363 85364 85365 ..... 86825 86826 86827 86828 86829 86830 86831 86832 86833 86834 86835 86836 86837 86838 86839 86840 86841 ..... 88622 88623 88624 88625 88626 88627 88628 88629 88630 88631 88632 88633 88634 88635 88636 88637 88638 88639 88640 88641 88642 88643 88644 88645 88646 88647 88648 88649 88650 88651 88652 88653 88654 88655 88656 88657 88658 88659 88660 88661 88662 88663 88664 88665 88666 ..... 89223 89224 89225 89226 89227 89228 89229 89230 89231 89232 89233 89234 89235 89236 89237 89238 89239 89240 89241 89242 89243 89244 89245 ..... 89286 89287 89288 89289 89290 89291 89292 89293 89294 89295 89296 89297 89298 89299 89300 ..... 89306 89307 89308 89309 89310 89311 89312 89313 89314 89315 89316 89317 89318 89319 89320 89321 89322 89323 89324 89325 89326 89327 89328 89329 89330 89331 89332 89333 89334 89335 89336 89337 89338 89339 89340 89341 89342 89343 89344 89345 89346 89347 89348 89349 89350 89351 89352 89353 ..... 89824 89825 89826 89827 89828 89829 89830 89831 89832 89833 89834 89835 89836 89837 ..... 89862 89863 89864 89865 89866 89867 89868 89869 89870 89871 89872 89873 89874 89875 89876 ..... 89922 89923 89924 89925 89926 89927 89928 89929 89930 89931 89932 89933 89934 89935 89936 89937 ..... 90256 90257 90258 90259 90260 90261 90262 90263 90264 90265 90266 90267 90268 90269 90270 ..... 90490 90491 90492 90493 90494 90495 90496 90497 90498 90499 90500 90501 90502 90503 90504 ..... 90776 90777 90778 90779 90780 90781 90782 90783 90784 90785 90786 90787 90788 90789 90790 90791 90792 90793 90794 90795 90796 90797 90798 90799 90800 90801 90802 90803 90804 90805 90806 90807 90808 90809 90810 90811 90812 90813 90814 90815 90816 90817 90818 90819 90820 ..... 90847 90848 90849 90850 90851 90852 90853 90854 90855 90856 90857 90858 90859 90860 90861 90862 90863 ..... 91638 91639 91640 91641 91642 91643 91644 91645 91646 91647 91648 91649 91650 91651 91652 ..... 91919 91920 91921 91922 91923 91924 91925 91926 91927 91928 91929 91930 91931 91932 91933 91934 ..... 92382 92383 92384 92385 92386 92387 92388 92389 92390 92391 92392 92393 92394 92395 92396 ..... 92666 92667 92668 92669 92670 92671 92672 92673 92674 92675 92676 92677 92678 92679 92680 92681 92682 92683 ..... 92719 92720 92721 92722 92723 92724 92725 92726 92727 92728 92729 92730 92731 92732 92733 ..... 92757 92758 92759 92760 92761 92762 92763 92764 92765 92766 92767 92768 92769 92770 92771 92772 92773 ..... 92787 92788 92789 92790 92791 92792 92793 92794 92795 92796 92797 92798 92799 92800 92801 92802 92803 92804 ..... 94125 94126 94127 94128 94129 94130 94131 94132 94133 94134 94135 94136 94137 94138 94139 94140 ..... 94370 94371 94372 94373 94374 94375 94376 94377 94378 94379 94380 94381 94382 94383 94384 94385 94386 94387 94388 94389 94390 ..... 94713 94714 94715 94716 94717 94718 94719 94720 94721 94722 94723 94724 94725 94726 94727 94728 ..... 94993 94994 94995 94996 94997 94998 94999 95000 95001 95002 95003 95004 95005 95006 95007 ..... 95548 95549 95550 95551 95552 95553 95554 95555 95556 95557 95558 95559 95560 95561 ..... 95570 95571 95572 95573 95574 95575 95576 95577 95578 95579 95580 95581 95582 95583 95584 95585 95586 95587 95588 95589 95590 95591 95592 95593 95594 95595 95596 95597 95598 95599 95600 95601 ..... 95602 95603 95604 95605 95606 95607 95608 95609 95610 95611 95612 95613 95614 95615 95616 95617 ..... 95638 95639 95640 95641 95642 95643 95644 95645 95646 95647 95648 95649 95650 95651 95652 95653 95654 95655 95656 95657 95658 95659 95660 95661 95662 ..... 95670 95671 95672 95673 95674 95675 95676 95677 95678 95679 95680 95681 95682 95683 95684 95685 95686 95687 95688 95689 95690 95691 95692 95693 95694 95695 95696 95697 95698 95699 95700 95701 ..... 95795 95796 95797 95798 95799 95800 95801 95802 95803 95804 95805 95806 95807 95808 95809 95810 ..... 95928 95929 95930 95931 95932 95933 95934 95935 95936 95937 95938 95939 95940 95941 95942 ..... 95968 95969 95970 95971 95972 95973 95974 95975 95976 95977 95978 95979 95980 95981 95982 95983 95984 95985 95986 95987 95988 95989 95990 95991 95992 95993 95994 95995 95996 95997 95998 95999 96000 ..... 96087 96088 96089 96090 96091 96092 96093 96094 96095 96096 96097 96098 96099 96100 96101 96102 ..... 96480 96481 96482 96483 96484 96485 96486 96487 96488 96489 96490 96491 96492 96493 96494 ..... 98899 98900 98901 98902 98903 98904 98905 98906 98907 98908 98909 98910 98911 98912 98913 ..... 98947 98948 98949 98950 98951 98952 98953 98954 98955 98956 98957 98958 98959 98960 98961 98962 ..... 98964 98965 98966 98967 98968 98969 98970 98971 98972 98973 98974 98975 98976 98977 98978 98979 98980 98981 98982 98983 98984 98985 98986 98987 98988 98989 98990 98991 98992 98993 98994 98995 98996 98997 98998 98999 99000 99001 99002 99003 99004 99005 99006 99007 99008 ...... 100631 100632 100633 100634 100635 100636 100637 100638 100639 100640 100641 100642 100643 100644 100645 ...... 101426 101427 101428 101429 101430 101431 101432 101433 101434 101435 101436 101437 101438 101439 101440 101441 101442 101443 101444 101445 101446 101447 101448 ...... 101453 101454 101455 101456 101457 101458 101459 101460 101461 101462 101463 101464 101465 101466 ...... 103460 103461 103462 103463 103464 103465 103466 103467 103468 103469 103470 103471 103472 103473 103474 103475 103476 103477 103478 103479 ...... 103654 103655 103656 103657 103658 103659 103660 103661 103662 103663 103664 103665 103666 103667 103668 103669 103670 103671 103672 103673 103674 103675 103676 103677 103678 103679 103680 103681 103682 103683 103684 103685 103686 103687 103688 103689 103690 103691 103692 103693 103694 103695 103696 103697 ...... 103873 103874 103875 103876 103877 103878 103879 103880 103881 103882 103883 103884 103885 103886 103887 ...... 104262 104263 104264 104265 104266 104267 104268 104269 104270 104271 104272 104273 104274 104275 104276 ...... 104298 104299 104300 104301 104302 104303 104304 104305 104306 104307 104308 104309 104310 104311 104312 104313 104314 104315 104316 104317 104318 104319 104320 104321 104322 104323 ...... 104449 104450 104451 104452 104453 104454 104455 104456 104457 104458 104459 104460 104461 104462 104463 ...... 104982 104983 104984 104985 104986 104987 104988 104989 104990 104991 104992 104993 104994 104995 104996 ...... 105088 105089 105090 105091 105092 105093 105094 105095 105096 105097 105098 105099 105100 105101 105102 ...... 105481 105482 105483 105484 105485 105486 105487 105488 105489 105490 105491 105492 105493 105494 105495 105496 105497 105498 ...... 105612 105613 105614 105615 105616 105617 105618 105619 105620 105621 105622 105623 105624 105625 105626 105627 105628 105629 105630 105631 105632 105633 105634 105635 ...... 108042 108043 108044 108045 108046 108047 108048 108049 108050 108051 108052 108053 108054 108055 108056 108057 108058 108059 ...... 109352 109353 109354 109355 109356 109357 109358 109359 109360 109361 109362 109363 109364 109365 109366 109367 109368 109369 ...... 110164 110165 110166 110167 110168 110169 110170 110171 110172 110173 110174 110175 110176 110177 110178 ...... 110184 110185 110186 110187 110188 110189 110190 110191 110192 110193 110194 110195 110196 110197 ...... 110328 110329 110330 110331 110332 110333 110334 110335 110336 110337 110338 110339 110340 110341 110342 110343 110344 110345 110346 110347 110348 110349 110350 110351 110352 110353 110354 110355 110356 110357 110358 ...... 110729 110730 110731 110732 110733 110734 110735 110736 110737 110738 110739 110740 110741 110742 110743 110744 110745 110746 110747 110748 110749 110750 110751 110752 110753 110754 110755 ...... 111221 111222 111223 111224 111225 111226 111227 111228 111229 111230 111231 111232 111233 111234 111235 111236 111237 111238 111239 ...... 111546 111547 111548 111549 111550 111551 111552 111553 111554 111555 111556 111557 111558 111559 ...... 111806 111807 111808 111809 111810 111811 111812 111813 111814 111815 111816 111817 111818 111819 ...... 111861 111862 111863 111864 111865 111866 111867 111868 111869 111870 111871 111872 111873 111874 ...... 112233 112234 112235 112236 112237 112238 112239 112240 112241 112242 112243 112244 112245 112246 112247 ...... 112655 112656 112657 112658 112659 112660 112661 112662 112663 112664 112665 112666 112667 112668 112669 112670 112671 112672 112673 112674 112675 112676 112677 112678 112679 112680 112681 112682 112683 112684 112685 112686 112687 112688 112689 112690 112691 112692 112693 112694 112695 112696 112697 ...... 112729 112730 112731 112732 112733 112734 112735 112736 112737 112738 112739 112740 112741 112742 112743 112744 112745 112746 112747 112748 112749 112750 112751 112752 112753 112754 112755 112756 112757 112758 112759 112760 112761 112762 ...... 112794 112795 112796 112797 112798 112799 112800 112801 112802 112803 112804 112805 112806 112807 112808 ...... 112831 112832 112833 112834 112835 112836 112837 112838 112839 112840 112841 112842 112843 112844 112845 ...... 112902 112903 112904 112905 112906 112907 112908 112909 112910 112911 112912 112913 112914 112915 112916 112917 112918 112919 112920 112921 112922 112923 112924 ...... 112940 112941 112942 112943 112944 112945 112946 112947 112948 112949 112950 112951 112952 112953 ...... 112989 112990 112991 112992 112993 112994 112995 112996 112997 112998 112999 113000 113001 113002 113003 ...... 113030 113031 113032 113033 113034 113035 113036 113037 113038 113039 113040 113041 113042 113043 113044 ...... 113049 113050 113051 113052 113053 113054 113055 113056 113057 113058 113059 113060 113061 113062 ...... 113073 113074 113075 113076 113077 113078 113079 113080 113081 113082 113083 113084 113085 113086 113087 113088 113089 113090 113091 113092 113093 113094 113095 113096 113097 113098 113099 113100 113101 113102 113103 113104 113105 113106 113107 ...... 113237 113238 113239 113240 113241 113242 113243 113244 113245 113246 113247 113248 113249 113250 113251 113252 113253 113254 113255 113256 113257 113258 113259 113260 113261 113262 ...... 113738 113739 113740 113741 113742 113743 113744 113745 113746 113747 113748 113749 113750 113751 113752 113753 113754 113755 113756 113757 113758 113759 113760 113761 113762 113763 ...... 114331 114332 114333 114334 114335 114336 114337 114338 114339 114340 114341 114342 114343 114344 114345 ...... 114351 114352 114353 114354 114355 114356 114357 114358 114359 114360 114361 114362 114363 114364 114365 114366 114367 ...... 114386 114387 114388 114389 114390 114391 114392 114393 114394 114395 114396 114397 114398 114399 114400 114401 114402 114403 ...... 114416 114417 114418 114419 114420 114421 114422 114423 114424 114425 114426 114427 114428 114429 114430 ...... 114432 114433 114434 114435 114436 114437 114438 114439 114440 114441 114442 114443 114444 114445 114446 114447 114448 114449 114450 114451 114452 114453 114454 114455 114456 114457 114458 114459 114460 114461 ...... 114473 114474 114475 114476 114477 114478 114479 114480 114481 114482 114483 114484 114485 114486 114487 ...... 114583 114584 114585 114586 114587 114588 114589 114590 114591 114592 114593 114594 114595 114596 114597 ...... 114709 114710 114711 114712 114713 114714 114715 114716 114717 114718 114719 114720 114721 114722 ...... 114774 114775 114776 114777 114778 114779 114780 114781 114782 114783 114784 114785 114786 114787 114788 114789 114790 114791 114792 114793 114794 114795 ...... 115123 115124 115125 115126 115127 115128 115129 115130 115131 115132 115133 115134 115135 115136 115137 ...... 115285 115286 115287 115288 115289 115290 115291 115292 115293 115294 115295 115296 115297 115298 115299 ...... 115551 115552 115553 115554 115555 115556 115557 115558 115559 115560 115561 115562 115563 115564 115565 115566 115567 115568 ...... 115687 115688 115689 115690 115691 115692 115693 115694 115695 115696 115697 115698 115699 115700 115701 ...... 115974 115975 115976 115977 115978 115979 115980 115981 115982 115983 115984 115985 115986 115987 115988 115989 ...... 116175 116176 116177 116178 116179 116180 116181 116182 116183 116184 116185 116186 116187 116188 116189 ...... 116191 116192 116193 116194 116195 116196 116197 116198 116199 116200 116201 116202 116203 116204 ...... 116223 116224 116225 116226 116227 116228 116229 116230 116231 116232 116233 116234 116235 116236 116237 ...... 116291 116292 116293 116294 116295 116296 116297 116298 116299 116300 116301 116302 116303 116304 116305 116306 ...... 116326 116327 116328 116329 116330 116331 116332 116333 116334 116335 116336 116337 116338 116339 116340 ...... 116342 116343 116344 116345 116346 116347 116348 116349 116350 116351 116352 116353 116354 116355 116356 116357 116358 116359 ...... 116366 116367 116368 116369 116370 116371 116372 116373 116374 116375 116376 116377 116378 116379 116380 116381 116382 116383 116384 116385 116386 ...... 116418 116419 116420 116421 116422 116423 116424 116425 116426 116427 116428 116429 116430 116431 116432 116433 116434 116435 116436 116437 116438 116439 116440 116441 116442 116443 116444 116445 116446 ...... 116460 116461 116462 116463 116464 116465 116466 116467 116468 116469 116470 116471 116472 116473 116474 ...... 116506 116507 116508 116509 116510 116511 116512 116513 116514 116515 116516 116517 116518 116519 116520 ...... 117548 117549 117550 117551 117552 117553 117554 117555 117556 117557 117558 117559 117560 117561 117562 ...... 117955 117956 117957 117958 117959 117960 117961 117962 117963 117964 117965 117966 117967 117968 117969 117970 117971 117972 117973 117974 117975 ...... 118071 118072 118073 118074 118075 118076 118077 118078 118079 118080 118081 118082 118083 118084 118085 118086 118087 118088 118089 118090 118091 118092 118093 118094 118095 118096 118097 118098 118099 118100 118101 118102 118103 118104 118105 118106 118107 118108 118109 118110 118111 118112 118113 118114 118115 118116 118117 118118 118119 118120 118121 118122 118123 118124 118125 118126 118127 118128 118129 118130 118131 118132 118133 118134 118135 118136 118137 118138 118139 118140 118141 118142 118143 118144 118145 118146 118147 118148 118149 118150 ...... 118164 118165 118166 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/****************************************************************************** ** This file is an amalgamation of many separate C source files from SQLite ** version 3.19.3. By combining all the individual C code files into this ** single large file, the entire code can be compiled as a single translation ** unit. This allows many compilers to do optimizations that would not be ** possible if the files were compiled separately. Performance improvements ** of 5% or more are commonly seen when SQLite is compiled as a single ** translation unit. ** ** This file is all you need to compile SQLite. To use SQLite in other ................................................................................ ** separate file. This file contains only code for the core SQLite library. */ #define SQLITE_CORE 1 #define SQLITE_AMALGAMATION 1 #ifndef SQLITE_PRIVATE # define SQLITE_PRIVATE static #endif /************** Begin file sqliteInt.h ***************************************/ /* ** 2001 September 15 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ** ................................................................................ /* The public SQLite interface. The _FILE_OFFSET_BITS macro must appear ** first in QNX. Also, the _USE_32BIT_TIME_T macro must appear first for ** MinGW. */ /************** Include sqlite3.h in the middle of sqliteInt.h ***************/ /************** Begin file sqlite3.h *****************************************/ /* ** 2001 September 15 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ................................................................................ ** string contains the date and time of the check-in (UTC) and a SHA1 ** or SHA3-256 hash of the entire source tree. ** ** See also: [sqlite3_libversion()], ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ #define SQLITE_VERSION "3.19.3" #define SQLITE_VERSION_NUMBER 3019003 #define SQLITE_SOURCE_ID "2017-06-08 14:26:16 0ee482a1e0eae22e08edc8978c9733a96603d4509645f348ebf55b579e89636b" /* ** CAPI3REF: Run-Time Library Version Numbers ** KEYWORDS: sqlite3_version sqlite3_sourceid ** ** These interfaces provide the same information as the [SQLITE_VERSION], ** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros ................................................................................ ** ** New error codes may be added in future versions of SQLite. ** ** See also: [extended result code definitions] */ #define SQLITE_OK 0 /* Successful result */ /* beginning-of-error-codes */ #define SQLITE_ERROR 1 /* SQL error or missing database */ #define SQLITE_INTERNAL 2 /* Internal logic error in SQLite */ #define SQLITE_PERM 3 /* Access permission denied */ #define SQLITE_ABORT 4 /* Callback routine requested an abort */ #define SQLITE_BUSY 5 /* The database file is locked */ #define SQLITE_LOCKED 6 /* A table in the database is locked */ #define SQLITE_NOMEM 7 /* A malloc() failed */ #define SQLITE_READONLY 8 /* Attempt to write a readonly database */ ................................................................................ #define SQLITE_INTERRUPT 9 /* Operation terminated by sqlite3_interrupt()*/ #define SQLITE_IOERR 10 /* Some kind of disk I/O error occurred */ #define SQLITE_CORRUPT 11 /* The database disk image is malformed */ #define SQLITE_NOTFOUND 12 /* Unknown opcode in sqlite3_file_control() */ #define SQLITE_FULL 13 /* Insertion failed because database is full */ #define SQLITE_CANTOPEN 14 /* Unable to open the database file */ #define SQLITE_PROTOCOL 15 /* Database lock protocol error */ #define SQLITE_EMPTY 16 /* Database is empty */ #define SQLITE_SCHEMA 17 /* The database schema changed */ #define SQLITE_TOOBIG 18 /* String or BLOB exceeds size limit */ #define SQLITE_CONSTRAINT 19 /* Abort due to constraint violation */ #define SQLITE_MISMATCH 20 /* Data type mismatch */ #define SQLITE_MISUSE 21 /* Library used incorrectly */ #define SQLITE_NOLFS 22 /* Uses OS features not supported on host */ #define SQLITE_AUTH 23 /* Authorization denied */ #define SQLITE_FORMAT 24 /* Auxiliary database format error */ #define SQLITE_RANGE 25 /* 2nd parameter to sqlite3_bind out of range */ #define SQLITE_NOTADB 26 /* File opened that is not a database file */ #define SQLITE_NOTICE 27 /* Notifications from sqlite3_log() */ #define SQLITE_WARNING 28 /* Warnings from sqlite3_log() */ #define SQLITE_ROW 100 /* sqlite3_step() has another row ready */ #define SQLITE_DONE 101 /* sqlite3_step() has finished executing */ /* end-of-error-codes */ ................................................................................ ** override this behaviour. The first parameter passed to this operation ** is an integer - non-zero to disable checkpoints-on-close, or zero (the ** default) to enable them. The second parameter is a pointer to an integer ** into which is written 0 or 1 to indicate whether checkpoints-on-close ** have been disabled - 0 if they are not disabled, 1 if they are. ** </dd> ** ** </dl> */ #define SQLITE_DBCONFIG_MAINDBNAME 1000 /* const char* */ #define SQLITE_DBCONFIG_LOOKASIDE 1001 /* void* int int */ #define SQLITE_DBCONFIG_ENABLE_FKEY 1002 /* int int* */ #define SQLITE_DBCONFIG_ENABLE_TRIGGER 1003 /* int int* */ #define SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER 1004 /* int int* */ #define SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION 1005 /* int int* */ #define SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE 1006 /* int int* */ /* ** CAPI3REF: Enable Or Disable Extended Result Codes ** METHOD: sqlite3 ** ** ^The sqlite3_extended_result_codes() routine enables or disables the ................................................................................ ** METHOD: sqlite3 ** KEYWORDS: {authorizer callback} ** ** ^This routine registers an authorizer callback with a particular ** [database connection], supplied in the first argument. ** ^The authorizer callback is invoked as SQL statements are being compiled ** by [sqlite3_prepare()] or its variants [sqlite3_prepare_v2()], ** [sqlite3_prepare16()] and [sqlite3_prepare16_v2()]. ^At various ** points during the compilation process, as logic is being created ** to perform various actions, the authorizer callback is invoked to ** see if those actions are allowed. ^The authorizer callback should ** return [SQLITE_OK] to allow the action, [SQLITE_IGNORE] to disallow the ** specific action but allow the SQL statement to continue to be ** compiled, or [SQLITE_DENY] to cause the entire SQL statement to be ** rejected with an error. ^If the authorizer callback returns ................................................................................ #define SQLITE_LIMIT_FUNCTION_ARG 6 #define SQLITE_LIMIT_ATTACHED 7 #define SQLITE_LIMIT_LIKE_PATTERN_LENGTH 8 #define SQLITE_LIMIT_VARIABLE_NUMBER 9 #define SQLITE_LIMIT_TRIGGER_DEPTH 10 #define SQLITE_LIMIT_WORKER_THREADS 11 /* ** CAPI3REF: Compiling An SQL Statement ** KEYWORDS: {SQL statement compiler} ** METHOD: sqlite3 ** CONSTRUCTOR: sqlite3_stmt ** ** To execute an SQL query, it must first be compiled into a byte-code ** program using one of these routines. ** ** The first argument, "db", is a [database connection] obtained from a ** prior successful call to [sqlite3_open()], [sqlite3_open_v2()] or ** [sqlite3_open16()]. The database connection must not have been closed. ** ** The second argument, "zSql", is the statement to be compiled, encoded ** as either UTF-8 or UTF-16. The sqlite3_prepare() and sqlite3_prepare_v2() ** interfaces use UTF-8, and sqlite3_prepare16() and sqlite3_prepare16_v2() ** use UTF-16. ** ** ^If the nByte argument is negative, then zSql is read up to the ** first zero terminator. ^If nByte is positive, then it is the ** number of bytes read from zSql. ^If nByte is zero, then no prepared ** statement is generated. ** If the caller knows that the supplied string is nul-terminated, then ** there is a small performance advantage to passing an nByte parameter that ................................................................................ ** The calling procedure is responsible for deleting the compiled ** SQL statement using [sqlite3_finalize()] after it has finished with it. ** ppStmt may not be NULL. ** ** ^On success, the sqlite3_prepare() family of routines return [SQLITE_OK]; ** otherwise an [error code] is returned. ** ** The sqlite3_prepare_v2() and sqlite3_prepare16_v2() interfaces are ** recommended for all new programs. The two older interfaces are retained ** for backwards compatibility, but their use is discouraged. ** ^In the "v2" interfaces, the prepared statement ** that is returned (the [sqlite3_stmt] object) contains a copy of the ** original SQL text. This causes the [sqlite3_step()] interface to ** behave differently in three ways: ** ** <ol> ** <li> ** ^If the database schema changes, instead of returning [SQLITE_SCHEMA] as it ................................................................................ ** a schema change, on the first [sqlite3_step()] call following any change ** to the [sqlite3_bind_text | bindings] of that [parameter]. ** ^The specific value of WHERE-clause [parameter] might influence the ** choice of query plan if the parameter is the left-hand side of a [LIKE] ** or [GLOB] operator or if the parameter is compared to an indexed column ** and the [SQLITE_ENABLE_STAT3] compile-time option is enabled. ** </li> ** </ol> */ SQLITE_API int sqlite3_prepare( sqlite3 *db, /* Database handle */ const char *zSql, /* SQL statement, UTF-8 encoded */ int nByte, /* Maximum length of zSql in bytes. */ sqlite3_stmt **ppStmt, /* OUT: Statement handle */ const char **pzTail /* OUT: Pointer to unused portion of zSql */ ); SQLITE_API int sqlite3_prepare_v2( sqlite3 *db, /* Database handle */ const char *zSql, /* SQL statement, UTF-8 encoded */ int nByte, /* Maximum length of zSql in bytes. */ sqlite3_stmt **ppStmt, /* OUT: Statement handle */ const char **pzTail /* OUT: Pointer to unused portion of zSql */ ); SQLITE_API int sqlite3_prepare16( sqlite3 *db, /* Database handle */ const void *zSql, /* SQL statement, UTF-16 encoded */ int nByte, /* Maximum length of zSql in bytes. */ ................................................................................ SQLITE_API int sqlite3_prepare16_v2( sqlite3 *db, /* Database handle */ const void *zSql, /* SQL statement, UTF-16 encoded */ int nByte, /* Maximum length of zSql in bytes. */ sqlite3_stmt **ppStmt, /* OUT: Statement handle */ const void **pzTail /* OUT: Pointer to unused portion of zSql */ ); /* ** CAPI3REF: Retrieving Statement SQL ** METHOD: sqlite3_stmt ** ** ^The sqlite3_sql(P) interface returns a pointer to a copy of the UTF-8 ** SQL text used to create [prepared statement] P if P was ** created by either [sqlite3_prepare_v2()] or [sqlite3_prepare16_v2()]. ** ^The sqlite3_expanded_sql(P) interface returns a pointer to a UTF-8 ** string containing the SQL text of prepared statement P with ** [bound parameters] expanded. ** ** ^(For example, if a prepared statement is created using the SQL ** text "SELECT $abc,:xyz" and if parameter $abc is bound to integer 2345 ** and parameter :xyz is unbound, then sqlite3_sql() will return ................................................................................ ** ^The sqlite3_bind_zeroblob() routine binds a BLOB of length N that ** is filled with zeroes. ^A zeroblob uses a fixed amount of memory ** (just an integer to hold its size) while it is being processed. ** Zeroblobs are intended to serve as placeholders for BLOBs whose ** content is later written using ** [sqlite3_blob_open | incremental BLOB I/O] routines. ** ^A negative value for the zeroblob results in a zero-length BLOB. ** ** ^If any of the sqlite3_bind_*() routines are called with a NULL pointer ** for the [prepared statement] or with a prepared statement for which ** [sqlite3_step()] has been called more recently than [sqlite3_reset()], ** then the call will return [SQLITE_MISUSE]. If any sqlite3_bind_() ** routine is passed a [prepared statement] that has been finalized, the ** result is undefined and probably harmful. ................................................................................ SQLITE_API int sqlite3_bind_int64(sqlite3_stmt*, int, sqlite3_int64); SQLITE_API int sqlite3_bind_null(sqlite3_stmt*, int); SQLITE_API int sqlite3_bind_text(sqlite3_stmt*,int,const char*,int,void(*)(void*)); SQLITE_API int sqlite3_bind_text16(sqlite3_stmt*, int, const void*, int, void(*)(void*)); SQLITE_API int sqlite3_bind_text64(sqlite3_stmt*, int, const char*, sqlite3_uint64, void(*)(void*), unsigned char encoding); SQLITE_API int sqlite3_bind_value(sqlite3_stmt*, int, const sqlite3_value*); SQLITE_API int sqlite3_bind_zeroblob(sqlite3_stmt*, int, int n); SQLITE_API int sqlite3_bind_zeroblob64(sqlite3_stmt*, int, sqlite3_uint64); /* ** CAPI3REF: Number Of SQL Parameters ** METHOD: sqlite3_stmt ** ................................................................................ ** and are referred to as "nameless" or "anonymous parameters". ** ** ^The first host parameter has an index of 1, not 0. ** ** ^If the value N is out of range or if the N-th parameter is ** nameless, then NULL is returned. ^The returned string is ** always in UTF-8 encoding even if the named parameter was ** originally specified as UTF-16 in [sqlite3_prepare16()] or ** [sqlite3_prepare16_v2()]. ** ** See also: [sqlite3_bind_blob|sqlite3_bind()], ** [sqlite3_bind_parameter_count()], and ** [sqlite3_bind_parameter_index()]. */ SQLITE_API const char *sqlite3_bind_parameter_name(sqlite3_stmt*, int); ................................................................................ ** METHOD: sqlite3_stmt ** ** ^Return the index of an SQL parameter given its name. ^The ** index value returned is suitable for use as the second ** parameter to [sqlite3_bind_blob|sqlite3_bind()]. ^A zero ** is returned if no matching parameter is found. ^The parameter ** name must be given in UTF-8 even if the original statement ** was prepared from UTF-16 text using [sqlite3_prepare16_v2()]. ** ** See also: [sqlite3_bind_blob|sqlite3_bind()], ** [sqlite3_bind_parameter_count()], and ** [sqlite3_bind_parameter_name()]. */ SQLITE_API int sqlite3_bind_parameter_index(sqlite3_stmt*, const char *zName); ................................................................................ SQLITE_API const char *sqlite3_column_decltype(sqlite3_stmt*,int); SQLITE_API const void *sqlite3_column_decltype16(sqlite3_stmt*,int); /* ** CAPI3REF: Evaluate An SQL Statement ** METHOD: sqlite3_stmt ** ** After a [prepared statement] has been prepared using either ** [sqlite3_prepare_v2()] or [sqlite3_prepare16_v2()] or one of the legacy ** interfaces [sqlite3_prepare()] or [sqlite3_prepare16()], this function ** must be called one or more times to evaluate the statement. ** ** The details of the behavior of the sqlite3_step() interface depend ** on whether the statement was prepared using the newer "v2" interface ** [sqlite3_prepare_v2()] and [sqlite3_prepare16_v2()] or the older legacy ** interface [sqlite3_prepare()] and [sqlite3_prepare16()]. The use of the ** new "v2" interface is recommended for new applications but the legacy ** interface will continue to be supported. ** ** ^In the legacy interface, the return value will be either [SQLITE_BUSY], ** [SQLITE_DONE], [SQLITE_ROW], [SQLITE_ERROR], or [SQLITE_MISUSE]. ** ^With the "v2" interface, any of the other [result codes] or ** [extended result codes] might be returned as well. ** ................................................................................ ** more threads at the same moment in time. ** ** For all versions of SQLite up to and including 3.6.23.1, a call to ** [sqlite3_reset()] was required after sqlite3_step() returned anything ** other than [SQLITE_ROW] before any subsequent invocation of ** sqlite3_step(). Failure to reset the prepared statement using ** [sqlite3_reset()] would result in an [SQLITE_MISUSE] return from ** sqlite3_step(). But after [version 3.6.23.1] ([dateof:3.6.23.1], ** sqlite3_step() began ** calling [sqlite3_reset()] automatically in this circumstance rather ** than returning [SQLITE_MISUSE]. This is not considered a compatibility ** break because any application that ever receives an SQLITE_MISUSE error ** is broken by definition. The [SQLITE_OMIT_AUTORESET] compile-time option ** can be used to restore the legacy behavior. ** ................................................................................ ** <b>Goofy Interface Alert:</b> In the legacy interface, the sqlite3_step() ** API always returns a generic error code, [SQLITE_ERROR], following any ** error other than [SQLITE_BUSY] and [SQLITE_MISUSE]. You must call ** [sqlite3_reset()] or [sqlite3_finalize()] in order to find one of the ** specific [error codes] that better describes the error. ** We admit that this is a goofy design. The problem has been fixed ** with the "v2" interface. If you prepare all of your SQL statements ** using either [sqlite3_prepare_v2()] or [sqlite3_prepare16_v2()] instead ** of the legacy [sqlite3_prepare()] and [sqlite3_prepare16()] interfaces, ** then the more specific [error codes] are returned directly ** by sqlite3_step(). The use of the "v2" interface is recommended. */ SQLITE_API int sqlite3_step(sqlite3_stmt*); /* ** CAPI3REF: Number of columns in a result set ** METHOD: sqlite3_stmt ** ................................................................................ #endif #define SQLITE3_TEXT 3 /* ** CAPI3REF: Result Values From A Query ** KEYWORDS: {column access functions} ** METHOD: sqlite3_stmt ** ** ^These routines return information about a single column of the current ** result row of a query. ^In every case the first argument is a pointer ** to the [prepared statement] that is being evaluated (the [sqlite3_stmt*] ** that was returned from [sqlite3_prepare_v2()] or one of its variants) ** and the second argument is the index of the column for which information ** should be returned. ^The leftmost column of the result set has the index 0. ................................................................................ ** If any of these routines are called after [sqlite3_reset()] or ** [sqlite3_finalize()] or after [sqlite3_step()] has returned ** something other than [SQLITE_ROW], the results are undefined. ** If [sqlite3_step()] or [sqlite3_reset()] or [sqlite3_finalize()] ** are called from a different thread while any of these routines ** are pending, then the results are undefined. ** ** ^The sqlite3_column_type() routine returns the ** [SQLITE_INTEGER | datatype code] for the initial data type ** of the result column. ^The returned value is one of [SQLITE_INTEGER], ** [SQLITE_FLOAT], [SQLITE_TEXT], [SQLITE_BLOB], or [SQLITE_NULL]. The value ** returned by sqlite3_column_type() is only meaningful if no type ** conversions have occurred as described below. After a type conversion, ** the value returned by sqlite3_column_type() is undefined. Future ** versions of SQLite may change the behavior of sqlite3_column_type() ** following a type conversion. ** ** ^If the result is a BLOB or UTF-8 string then the sqlite3_column_bytes() ** routine returns the number of bytes in that BLOB or string. ** ^If the result is a UTF-16 string, then sqlite3_column_bytes() converts ** the string to UTF-8 and then returns the number of bytes. ** ^If the result is a numeric value then sqlite3_column_bytes() uses ** [sqlite3_snprintf()] to convert that value to a UTF-8 string and returns ................................................................................ ** [unprotected sqlite3_value] object. In a multithreaded environment, ** an unprotected sqlite3_value object may only be used safely with ** [sqlite3_bind_value()] and [sqlite3_result_value()]. ** If the [unprotected sqlite3_value] object returned by ** [sqlite3_column_value()] is used in any other way, including calls ** to routines like [sqlite3_value_int()], [sqlite3_value_text()], ** or [sqlite3_value_bytes()], the behavior is not threadsafe. ** ** These routines attempt to convert the value where appropriate. ^For ** example, if the internal representation is FLOAT and a text result ** is requested, [sqlite3_snprintf()] is used internally to perform the ** conversion automatically. ^(The following table details the conversions ** that are applied: ** ** <blockquote> ** <table border="1"> ** <tr><th> Internal<br>Type <th> Requested<br>Type <th> Conversion ................................................................................ ** to sqlite3_column_text() or sqlite3_column_blob() with calls to ** sqlite3_column_bytes16(), and do not mix calls to sqlite3_column_text16() ** with calls to sqlite3_column_bytes(). ** ** ^The pointers returned are valid until a type conversion occurs as ** described above, or until [sqlite3_step()] or [sqlite3_reset()] or ** [sqlite3_finalize()] is called. ^The memory space used to hold strings ** and BLOBs is freed automatically. Do <em>not</em> pass the pointers returned ** from [sqlite3_column_blob()], [sqlite3_column_text()], etc. into ** [sqlite3_free()]. ** ** ^(If a memory allocation error occurs during the evaluation of any ** of these routines, a default value is returned. The default value ** is either the integer 0, the floating point number 0.0, or a NULL ** pointer. Subsequent calls to [sqlite3_errcode()] will return ** [SQLITE_NOMEM].)^ */ SQLITE_API const void *sqlite3_column_blob(sqlite3_stmt*, int iCol); SQLITE_API int sqlite3_column_bytes(sqlite3_stmt*, int iCol); SQLITE_API int sqlite3_column_bytes16(sqlite3_stmt*, int iCol); SQLITE_API double sqlite3_column_double(sqlite3_stmt*, int iCol); SQLITE_API int sqlite3_column_int(sqlite3_stmt*, int iCol); SQLITE_API sqlite3_int64 sqlite3_column_int64(sqlite3_stmt*, int iCol); SQLITE_API const unsigned char *sqlite3_column_text(sqlite3_stmt*, int iCol); SQLITE_API const void *sqlite3_column_text16(sqlite3_stmt*, int iCol); SQLITE_API int sqlite3_column_type(sqlite3_stmt*, int iCol); SQLITE_API sqlite3_value *sqlite3_column_value(sqlite3_stmt*, int iCol); /* ** CAPI3REF: Destroy A Prepared Statement Object ** DESTRUCTOR: sqlite3_stmt ** ** ^The sqlite3_finalize() function is called to delete a [prepared statement]. ** ^If the most recent evaluation of the statement encountered no errors ................................................................................ void*,sqlite3_int64); #endif /* ** CAPI3REF: Obtaining SQL Values ** METHOD: sqlite3_value ** ** The C-language implementation of SQL functions and aggregates uses ** this set of interface routines to access the parameter values on ** the function or aggregate. ** ** The xFunc (for scalar functions) or xStep (for aggregates) parameters ** to [sqlite3_create_function()] and [sqlite3_create_function16()] ** define callbacks that implement the SQL functions and aggregates. ** The 3rd parameter to these callbacks is an array of pointers to ** [protected sqlite3_value] objects. There is one [sqlite3_value] object for ** each parameter to the SQL function. These routines are used to ** extract values from the [sqlite3_value] objects. ** ** These routines work only with [protected sqlite3_value] objects. ** Any attempt to use these routines on an [unprotected sqlite3_value] ** object results in undefined behavior. ** ** ^These routines work just like the corresponding [column access functions] ** except that these routines take a single [protected sqlite3_value] object ** pointer instead of a [sqlite3_stmt*] pointer and an integer column number. ** ** ^The sqlite3_value_text16() interface extracts a UTF-16 string ** in the native byte-order of the host machine. ^The ** sqlite3_value_text16be() and sqlite3_value_text16le() interfaces ** extract UTF-16 strings as big-endian and little-endian respectively. ** ** ^(The sqlite3_value_numeric_type() interface attempts to apply ** numeric affinity to the value. This means that an attempt is ** made to convert the value to an integer or floating point. If ** such a conversion is possible without loss of information (in other ** words, if the value is a string that looks like a number) ** then the conversion is performed. Otherwise no conversion occurs. ** The [SQLITE_INTEGER | datatype] after conversion is returned.)^ ................................................................................ ** [sqlite3_value_bytes()], [sqlite3_value_bytes16()], [sqlite3_value_text()], ** or [sqlite3_value_text16()]. ** ** These routines must be called from the same thread as ** the SQL function that supplied the [sqlite3_value*] parameters. */ SQLITE_API const void *sqlite3_value_blob(sqlite3_value*); SQLITE_API int sqlite3_value_bytes(sqlite3_value*); SQLITE_API int sqlite3_value_bytes16(sqlite3_value*); SQLITE_API double sqlite3_value_double(sqlite3_value*); SQLITE_API int sqlite3_value_int(sqlite3_value*); SQLITE_API sqlite3_int64 sqlite3_value_int64(sqlite3_value*); SQLITE_API const unsigned char *sqlite3_value_text(sqlite3_value*); SQLITE_API const void *sqlite3_value_text16(sqlite3_value*); SQLITE_API const void *sqlite3_value_text16le(sqlite3_value*); SQLITE_API const void *sqlite3_value_text16be(sqlite3_value*); SQLITE_API int sqlite3_value_type(sqlite3_value*); SQLITE_API int sqlite3_value_numeric_type(sqlite3_value*); /* ** CAPI3REF: Finding The Subtype Of SQL Values ** METHOD: sqlite3_value ** ** The sqlite3_value_subtype(V) function returns the subtype for ** an [application-defined SQL function] argument V. The subtype ** information can be used to pass a limited amount of context from ** one SQL function to another. Use the [sqlite3_result_subtype()] ** routine to set the subtype for the return value of an SQL function. ** ** SQLite makes no use of subtype itself. It merely passes the subtype ** from the result of one [application-defined SQL function] into the ** input of another. */ SQLITE_API unsigned int sqlite3_value_subtype(sqlite3_value*); /* ** CAPI3REF: Copy And Free SQL Values ** METHOD: sqlite3_value ** ................................................................................ ** ^If the 4th parameter to the sqlite3_result_text* interfaces or to ** sqlite3_result_blob is the special constant SQLITE_STATIC, then SQLite ** assumes that the text or BLOB result is in constant space and does not ** copy the content of the parameter nor call a destructor on the content ** when it has finished using that result. ** ^If the 4th parameter to the sqlite3_result_text* interfaces ** or sqlite3_result_blob is the special constant SQLITE_TRANSIENT ** then SQLite makes a copy of the result into space obtained from ** from [sqlite3_malloc()] before it returns. ** ** ^The sqlite3_result_value() interface sets the result of ** the application-defined function to be a copy of the ** [unprotected sqlite3_value] object specified by the 2nd parameter. ^The ** sqlite3_result_value() interface makes a copy of the [sqlite3_value] ** so that the [sqlite3_value] specified in the parameter may change or ** be deallocated after sqlite3_result_value() returns without harm. ** ^A [protected sqlite3_value] object may always be used where an ** [unprotected sqlite3_value] object is required, so either ** kind of [sqlite3_value] object can be used with this interface. ** ** If these routines are called from within the different thread ** than the one containing the application-defined function that received ** the [sqlite3_context] pointer, the results are undefined. */ SQLITE_API void sqlite3_result_blob(sqlite3_context*, const void*, int, void(*)(void*)); SQLITE_API void sqlite3_result_blob64(sqlite3_context*,const void*, sqlite3_uint64,void(*)(void*)); ................................................................................ SQLITE_API void sqlite3_result_text(sqlite3_context*, const char*, int, void(*)(void*)); SQLITE_API void sqlite3_result_text64(sqlite3_context*, const char*,sqlite3_uint64, void(*)(void*), unsigned char encoding); SQLITE_API void sqlite3_result_text16(sqlite3_context*, const void*, int, void(*)(void*)); SQLITE_API void sqlite3_result_text16le(sqlite3_context*, const void*, int,void(*)(void*)); SQLITE_API void sqlite3_result_text16be(sqlite3_context*, const void*, int,void(*)(void*)); SQLITE_API void sqlite3_result_value(sqlite3_context*, sqlite3_value*); SQLITE_API void sqlite3_result_zeroblob(sqlite3_context*, int n); SQLITE_API int sqlite3_result_zeroblob64(sqlite3_context*, sqlite3_uint64 n); /* ** CAPI3REF: Setting The Subtype Of An SQL Function ** METHOD: sqlite3_context ................................................................................ ** interface returns SQLITE_OK and fills in the non-NULL pointers in ** the final five arguments with appropriate values if the specified ** column exists. ^The sqlite3_table_column_metadata() interface returns ** SQLITE_ERROR and if the specified column does not exist. ** ^If the column-name parameter to sqlite3_table_column_metadata() is a ** NULL pointer, then this routine simply checks for the existence of the ** table and returns SQLITE_OK if the table exists and SQLITE_ERROR if it ** does not. ** ** ^The column is identified by the second, third and fourth parameters to ** this function. ^(The second parameter is either the name of the database ** (i.e. "main", "temp", or an attached database) containing the specified ** table or NULL.)^ ^If it is NULL, then all attached databases are searched ** for the table using the same algorithm used by the database engine to ** resolve unqualified table references. ................................................................................ ** [[SQLITE_STMTSTATUS_VM_STEP]] <dt>SQLITE_STMTSTATUS_VM_STEP</dt> ** <dd>^This is the number of virtual machine operations executed ** by the prepared statement if that number is less than or equal ** to 2147483647. The number of virtual machine operations can be ** used as a proxy for the total work done by the prepared statement. ** If the number of virtual machine operations exceeds 2147483647 ** then the value returned by this statement status code is undefined. ** </dd> ** </dl> */ #define SQLITE_STMTSTATUS_FULLSCAN_STEP 1 #define SQLITE_STMTSTATUS_SORT 2 #define SQLITE_STMTSTATUS_AUTOINDEX 3 #define SQLITE_STMTSTATUS_VM_STEP 4 /* ** CAPI3REF: Custom Page Cache Object ** ** The sqlite3_pcache type is opaque. It is implemented by ** the pluggable module. The SQLite core has no knowledge of ** its size or internal structure and never deals with the ................................................................................ /************** End of sqlite3.h *********************************************/ /************** Continuing where we left off in sqliteInt.h ******************/ /* ** Include the configuration header output by 'configure' if we're using the ** autoconf-based build */ #ifdef _HAVE_SQLITE_CONFIG_H #include "config.h" #endif /************** Include sqliteLimit.h in the middle of sqliteInt.h ***********/ /************** Begin file sqliteLimit.h *************************************/ /* ** 2007 May 7 ** ................................................................................ ** threadsafe. 1 means the library is serialized which is the highest ** level of threadsafety. 2 means the library is multithreaded - multiple ** threads can use SQLite as long as no two threads try to use the same ** database connection at the same time. ** ** Older versions of SQLite used an optional THREADSAFE macro. ** We support that for legacy. */ #if !defined(SQLITE_THREADSAFE) # if defined(THREADSAFE) # define SQLITE_THREADSAFE THREADSAFE # else # define SQLITE_THREADSAFE 1 /* IMP: R-07272-22309 */ # endif ................................................................................ /* ** Provide a default value for SQLITE_TEMP_STORE in case it is not specified ** on the command-line */ #ifndef SQLITE_TEMP_STORE # define SQLITE_TEMP_STORE 1 # define SQLITE_TEMP_STORE_xc 1 /* Exclude from ctime.c */ #endif /* ** If no value has been provided for SQLITE_MAX_WORKER_THREADS, or if ** SQLITE_TEMP_STORE is set to 3 (never use temporary files), set it ** to zero. */ ................................................................................ || defined(__sun) \ || defined(__FreeBSD__) \ || defined(__DragonFly__) # define SQLITE_MAX_MMAP_SIZE 0x7fff0000 /* 2147418112 */ # else # define SQLITE_MAX_MMAP_SIZE 0 # endif # define SQLITE_MAX_MMAP_SIZE_xc 1 /* exclude from ctime.c */ #endif /* ** The default MMAP_SIZE is zero on all platforms. Or, even if a larger ** default MMAP_SIZE is specified at compile-time, make sure that it does ** not exceed the maximum mmap size. */ #ifndef SQLITE_DEFAULT_MMAP_SIZE # define SQLITE_DEFAULT_MMAP_SIZE 0 # define SQLITE_DEFAULT_MMAP_SIZE_xc 1 /* Exclude from ctime.c */ #endif #if SQLITE_DEFAULT_MMAP_SIZE>SQLITE_MAX_MMAP_SIZE # undef SQLITE_DEFAULT_MMAP_SIZE # define SQLITE_DEFAULT_MMAP_SIZE SQLITE_MAX_MMAP_SIZE #endif /* ................................................................................ int nZero; /* Extra zero data appended after pData,nData */ }; SQLITE_PRIVATE int sqlite3BtreeInsert(BtCursor*, const BtreePayload *pPayload, int flags, int seekResult); SQLITE_PRIVATE int sqlite3BtreeFirst(BtCursor*, int *pRes); SQLITE_PRIVATE int sqlite3BtreeLast(BtCursor*, int *pRes); SQLITE_PRIVATE int sqlite3BtreeNext(BtCursor*, int *pRes); SQLITE_PRIVATE int sqlite3BtreeEof(BtCursor*); SQLITE_PRIVATE int sqlite3BtreePrevious(BtCursor*, int *pRes); SQLITE_PRIVATE i64 sqlite3BtreeIntegerKey(BtCursor*); SQLITE_PRIVATE int sqlite3BtreePayload(BtCursor*, u32 offset, u32 amt, void*); SQLITE_PRIVATE const void *sqlite3BtreePayloadFetch(BtCursor*, u32 *pAmt); SQLITE_PRIVATE u32 sqlite3BtreePayloadSize(BtCursor*); SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck(Btree*, int *aRoot, int nRoot, int, int*); SQLITE_PRIVATE struct Pager *sqlite3BtreePager(Btree*); ................................................................................ KeyInfo *pKeyInfo; /* Used when p4type is P4_KEYINFO */ int *ai; /* Used when p4type is P4_INTARRAY */ SubProgram *pProgram; /* Used when p4type is P4_SUBPROGRAM */ Table *pTab; /* Used when p4type is P4_TABLE */ #ifdef SQLITE_ENABLE_CURSOR_HINTS Expr *pExpr; /* Used when p4type is P4_EXPR */ #endif int (*xAdvance)(BtCursor *, int *); } p4; #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS char *zComment; /* Comment to improve readability */ #endif #ifdef VDBE_PROFILE u32 cnt; /* Number of times this instruction was executed */ u64 cycles; /* Total time spent executing this instruction */ ................................................................................ signed char p3; /* Third parameter */ }; typedef struct VdbeOpList VdbeOpList; /* ** Allowed values of VdbeOp.p4type */ #define P4_NOTUSED 0 /* The P4 parameter is not used */ #define P4_DYNAMIC (-1) /* Pointer to a string obtained from sqliteMalloc() */ #define P4_STATIC (-2) /* Pointer to a static string */ #define P4_COLLSEQ (-3) /* P4 is a pointer to a CollSeq structure */ #define P4_FUNCDEF (-4) /* P4 is a pointer to a FuncDef structure */ #define P4_KEYINFO (-5) /* P4 is a pointer to a KeyInfo structure */ #define P4_EXPR (-6) /* P4 is a pointer to an Expr tree */ #define P4_MEM (-7) /* P4 is a pointer to a Mem* structure */ #define P4_TRANSIENT 0 /* P4 is a pointer to a transient string */ #define P4_VTAB (-8) /* P4 is a pointer to an sqlite3_vtab structure */ #define P4_REAL (-9) /* P4 is a 64-bit floating point value */ #define P4_INT64 (-10) /* P4 is a 64-bit signed integer */ #define P4_INT32 (-11) /* P4 is a 32-bit signed integer */ #define P4_INTARRAY (-12) /* P4 is a vector of 32-bit integers */ #define P4_SUBPROGRAM (-13) /* P4 is a pointer to a SubProgram structure */ #define P4_ADVANCE (-14) /* P4 is a pointer to BtreeNext() or BtreePrev() */ #define P4_TABLE (-15) /* P4 is a pointer to a Table structure */ #define P4_FUNCCTX (-16) /* P4 is a pointer to an sqlite3_context object */ /* Error message codes for OP_Halt */ #define P5_ConstraintNotNull 1 #define P5_ConstraintUnique 2 #define P5_ConstraintCheck 3 #define P5_ConstraintFK 4 ................................................................................ #define OP_Variable 62 /* synopsis: r[P2]=parameter(P1,P4) */ #define OP_Move 63 /* synopsis: r[P2@P3]=r[P1@P3] */ #define OP_Copy 64 /* synopsis: r[P2@P3+1]=r[P1@P3+1] */ #define OP_SCopy 65 /* synopsis: r[P2]=r[P1] */ #define OP_IntCopy 66 /* synopsis: r[P2]=r[P1] */ #define OP_ResultRow 67 /* synopsis: output=r[P1@P2] */ #define OP_CollSeq 68 #define OP_Function0 69 /* synopsis: r[P3]=func(r[P2@P5]) */ #define OP_Or 70 /* same as TK_OR, synopsis: r[P3]=(r[P1] || r[P2]) */ #define OP_And 71 /* same as TK_AND, synopsis: r[P3]=(r[P1] && r[P2]) */ #define OP_Function 72 /* synopsis: r[P3]=func(r[P2@P5]) */ #define OP_AddImm 73 /* synopsis: r[P1]=r[P1]+P2 */ #define OP_RealAffinity 74 #define OP_IsNull 75 /* same as TK_ISNULL, synopsis: if r[P1]==NULL goto P2 */ #define OP_NotNull 76 /* same as TK_NOTNULL, synopsis: if r[P1]!=NULL goto P2 */ #define OP_Ne 77 /* same as TK_NE, synopsis: IF r[P3]!=r[P1] */ #define OP_Eq 78 /* same as TK_EQ, synopsis: IF r[P3]==r[P1] */ #define OP_Gt 79 /* same as TK_GT, synopsis: IF r[P3]>r[P1] */ #define OP_Le 80 /* same as TK_LE, synopsis: IF r[P3]<=r[P1] */ #define OP_Lt 81 /* same as TK_LT, synopsis: IF r[P3]<r[P1] */ ................................................................................ #define OP_ShiftRight 87 /* same as TK_RSHIFT, synopsis: r[P3]=r[P2]>>r[P1] */ #define OP_Add 88 /* same as TK_PLUS, synopsis: r[P3]=r[P1]+r[P2] */ #define OP_Subtract 89 /* same as TK_MINUS, synopsis: r[P3]=r[P2]-r[P1] */ #define OP_Multiply 90 /* same as TK_STAR, synopsis: r[P3]=r[P1]*r[P2] */ #define OP_Divide 91 /* same as TK_SLASH, synopsis: r[P3]=r[P2]/r[P1] */ #define OP_Remainder 92 /* same as TK_REM, synopsis: r[P3]=r[P2]%r[P1] */ #define OP_Concat 93 /* same as TK_CONCAT, synopsis: r[P3]=r[P2]+r[P1] */ #define OP_Cast 94 /* synopsis: affinity(r[P1]) */ #define OP_BitNot 95 /* same as TK_BITNOT, synopsis: r[P1]= ~r[P1] */ #define OP_Permutation 96 #define OP_String8 97 /* same as TK_STRING, synopsis: r[P2]='P4' */ #define OP_Compare 98 /* synopsis: r[P1@P3] <-> r[P2@P3] */ #define OP_Column 99 /* synopsis: r[P3]=PX */ #define OP_Affinity 100 /* synopsis: affinity(r[P1@P2]) */ #define OP_MakeRecord 101 /* synopsis: r[P3]=mkrec(r[P1@P2]) */ #define OP_Count 102 /* synopsis: r[P2]=count() */ #define OP_ReadCookie 103 #define OP_SetCookie 104 #define OP_ReopenIdx 105 /* synopsis: root=P2 iDb=P3 */ #define OP_OpenRead 106 /* synopsis: root=P2 iDb=P3 */ #define OP_OpenWrite 107 /* synopsis: root=P2 iDb=P3 */ #define OP_OpenDup 108 #define OP_OpenAutoindex 109 /* synopsis: nColumn=P2 */ #define OP_OpenEphemeral 110 /* synopsis: nColumn=P2 */ #define OP_SorterOpen 111 #define OP_SequenceTest 112 /* synopsis: if( cursor[P1].ctr++ ) pc = P2 */ #define OP_OpenPseudo 113 /* synopsis: P3 columns in r[P2] */ #define OP_Close 114 #define OP_ColumnsUsed 115 #define OP_Sequence 116 /* synopsis: r[P2]=cursor[P1].ctr++ */ #define OP_NewRowid 117 /* synopsis: r[P2]=rowid */ #define OP_Insert 118 /* synopsis: intkey=r[P3] data=r[P2] */ #define OP_InsertInt 119 /* synopsis: intkey=P3 data=r[P2] */ #define OP_Delete 120 #define OP_ResetCount 121 #define OP_SorterCompare 122 /* synopsis: if key(P1)!=trim(r[P3],P4) goto P2 */ #define OP_SorterData 123 /* synopsis: r[P2]=data */ #define OP_RowData 124 /* synopsis: r[P2]=data */ #define OP_Rowid 125 /* synopsis: r[P2]=rowid */ #define OP_NullRow 126 #define OP_SorterInsert 127 /* synopsis: key=r[P2] */ #define OP_IdxInsert 128 /* synopsis: key=r[P2] */ #define OP_IdxDelete 129 /* synopsis: key=r[P2@P3] */ #define OP_Seek 130 /* synopsis: Move P3 to P1.rowid */ #define OP_IdxRowid 131 /* synopsis: r[P2]=rowid */ #define OP_Real 132 /* same as TK_FLOAT, synopsis: r[P2]=P4 */ #define OP_Destroy 133 #define OP_Clear 134 #define OP_ResetSorter 135 #define OP_CreateIndex 136 /* synopsis: r[P2]=root iDb=P1 */ #define OP_CreateTable 137 /* synopsis: r[P2]=root iDb=P1 */ #define OP_SqlExec 138 #define OP_ParseSchema 139 #define OP_LoadAnalysis 140 #define OP_DropTable 141 #define OP_DropIndex 142 #define OP_DropTrigger 143 #define OP_IntegrityCk 144 #define OP_RowSetAdd 145 /* synopsis: rowset(P1)=r[P2] */ #define OP_Param 146 #define OP_FkCounter 147 /* synopsis: fkctr[P1]+=P2 */ #define OP_MemMax 148 /* synopsis: r[P1]=max(r[P1],r[P2]) */ #define OP_OffsetLimit 149 /* synopsis: if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1) */ #define OP_AggStep0 150 /* synopsis: accum=r[P3] step(r[P2@P5]) */ #define OP_AggStep 151 /* synopsis: accum=r[P3] step(r[P2@P5]) */ #define OP_AggFinal 152 /* synopsis: accum=r[P1] N=P2 */ #define OP_Expire 153 #define OP_TableLock 154 /* synopsis: iDb=P1 root=P2 write=P3 */ #define OP_VBegin 155 #define OP_VCreate 156 #define OP_VDestroy 157 #define OP_VOpen 158 #define OP_VColumn 159 /* synopsis: r[P3]=vcolumn(P2) */ #define OP_VRename 160 #define OP_Pagecount 161 #define OP_MaxPgcnt 162 #define OP_CursorHint 163 #define OP_Noop 164 #define OP_Explain 165 /* Properties such as "out2" or "jump" that are specified in ** comments following the "case" for each opcode in the vdbe.c ** are encoded into bitvectors as follows: */ #define OPFLG_JUMP 0x01 /* jump: P2 holds jmp target */ #define OPFLG_IN1 0x02 /* in1: P1 is an input */ ................................................................................ /* 8 */ 0x00, 0x10, 0x00, 0x01, 0x00, 0x01, 0x01, 0x01,\ /* 16 */ 0x03, 0x03, 0x01, 0x12, 0x01, 0x03, 0x03, 0x01,\ /* 24 */ 0x09, 0x09, 0x09, 0x09, 0x09, 0x09, 0x09, 0x09,\ /* 32 */ 0x09, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,\ /* 40 */ 0x01, 0x01, 0x23, 0x0b, 0x01, 0x01, 0x03, 0x03,\ /* 48 */ 0x03, 0x01, 0x01, 0x01, 0x02, 0x02, 0x08, 0x00,\ /* 56 */ 0x10, 0x10, 0x10, 0x10, 0x00, 0x10, 0x10, 0x00,\ /* 64 */ 0x00, 0x10, 0x10, 0x00, 0x00, 0x00, 0x26, 0x26,\ /* 72 */ 0x00, 0x02, 0x02, 0x03, 0x03, 0x0b, 0x0b, 0x0b,\ /* 80 */ 0x0b, 0x0b, 0x0b, 0x01, 0x26, 0x26, 0x26, 0x26,\ /* 88 */ 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x02, 0x12,\ /* 96 */ 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10,\ /* 104 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ /* 112 */ 0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x00, 0x00,\ /* 120 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x04,\ /* 128 */ 0x04, 0x00, 0x00, 0x10, 0x10, 0x10, 0x00, 0x00,\ /* 136 */ 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ /* 144 */ 0x00, 0x06, 0x10, 0x00, 0x04, 0x1a, 0x00, 0x00,\ /* 152 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ /* 160 */ 0x00, 0x10, 0x10, 0x00, 0x00, 0x00,} /* The sqlite3P2Values() routine is able to run faster if it knows ** the value of the largest JUMP opcode. The smaller the maximum ** JUMP opcode the better, so the mkopcodeh.tcl script that ** generated this include file strives to group all JUMP opcodes ** together near the beginning of the list. */ #define SQLITE_MX_JUMP_OPCODE 83 /* Maximum JUMP opcode */ /************** End of opcodes.h *********************************************/ /************** Continuing where we left off in vdbe.h ***********************/ /* ** Prototypes for the VDBE interface. See comments on the implementation ** for a description of what each of these routines does. */ SQLITE_PRIVATE Vdbe *sqlite3VdbeCreate(Parse*); SQLITE_PRIVATE int sqlite3VdbeAddOp0(Vdbe*,int); SQLITE_PRIVATE int sqlite3VdbeAddOp1(Vdbe*,int,int); ................................................................................ SQLITE_PRIVATE void sqlite3VdbeResetStepResult(Vdbe*); SQLITE_PRIVATE void sqlite3VdbeRewind(Vdbe*); SQLITE_PRIVATE int sqlite3VdbeReset(Vdbe*); SQLITE_PRIVATE void sqlite3VdbeSetNumCols(Vdbe*,int); SQLITE_PRIVATE int sqlite3VdbeSetColName(Vdbe*, int, int, const char *, void(*)(void*)); SQLITE_PRIVATE void sqlite3VdbeCountChanges(Vdbe*); SQLITE_PRIVATE sqlite3 *sqlite3VdbeDb(Vdbe*); SQLITE_PRIVATE void sqlite3VdbeSetSql(Vdbe*, const char *z, int n, int); SQLITE_PRIVATE void sqlite3VdbeSwap(Vdbe*,Vdbe*); SQLITE_PRIVATE VdbeOp *sqlite3VdbeTakeOpArray(Vdbe*, int*, int*); SQLITE_PRIVATE sqlite3_value *sqlite3VdbeGetBoundValue(Vdbe*, int, u8); SQLITE_PRIVATE void sqlite3VdbeSetVarmask(Vdbe*, int); #ifndef SQLITE_OMIT_TRACE SQLITE_PRIVATE char *sqlite3VdbeExpandSql(Vdbe*, const char*); #endif ................................................................................ typedef int (*RecordCompare)(int,const void*,UnpackedRecord*); SQLITE_PRIVATE RecordCompare sqlite3VdbeFindCompare(UnpackedRecord*); #ifndef SQLITE_OMIT_TRIGGER SQLITE_PRIVATE void sqlite3VdbeLinkSubProgram(Vdbe *, SubProgram *); #endif /* Use SQLITE_ENABLE_COMMENTS to enable generation of extra comments on ** each VDBE opcode. ** ** Use the SQLITE_ENABLE_MODULE_COMMENTS macro to see some extra no-op ** comments in VDBE programs that show key decision points in the code ** generator. ................................................................................ ** Every page in the cache is controlled by an instance of the following ** structure. */ struct PgHdr { sqlite3_pcache_page *pPage; /* Pcache object page handle */ void *pData; /* Page data */ void *pExtra; /* Extra content */ PgHdr *pDirty; /* Transient list of dirty sorted by pgno */ Pager *pPager; /* The pager this page is part of */ Pgno pgno; /* Page number for this page */ #ifdef SQLITE_CHECK_PAGES u32 pageHash; /* Hash of page content */ #endif u16 flags; /* PGHDR flags defined below */ /********************************************************************** ** Elements above are public. All that follows is private to pcache.c ** and should not be accessed by other modules. */ i16 nRef; /* Number of users of this page */ PCache *pCache; /* Cache that owns this page */ PgHdr *pDirtyNext; /* Next element in list of dirty pages */ PgHdr *pDirtyPrev; /* Previous element in list of dirty pages */ }; /* Bit values for PgHdr.flags */ #define PGHDR_CLEAN 0x001 /* Page not on the PCache.pDirty list */ #define PGHDR_DIRTY 0x002 /* Page is on the PCache.pDirty list */ ................................................................................ ** Possible values for the sqlite3.flags. ** ** Value constraints (enforced via assert()): ** SQLITE_FullFSync == PAGER_FULLFSYNC ** SQLITE_CkptFullFSync == PAGER_CKPT_FULLFSYNC ** SQLITE_CacheSpill == PAGER_CACHE_SPILL */ #define SQLITE_VdbeTrace 0x00000001 /* True to trace VDBE execution */ #define SQLITE_InternChanges 0x00000002 /* Uncommitted Hash table changes */ #define SQLITE_FullColNames 0x00000004 /* Show full column names on SELECT */ #define SQLITE_FullFSync 0x00000008 /* Use full fsync on the backend */ #define SQLITE_CkptFullFSync 0x00000010 /* Use full fsync for checkpoint */ #define SQLITE_CacheSpill 0x00000020 /* OK to spill pager cache */ #define SQLITE_ShortColNames 0x00000040 /* Show short columns names */ #define SQLITE_CountRows 0x00000080 /* Count rows changed by INSERT, */ /* DELETE, or UPDATE and return */ /* the count using a callback. */ #define SQLITE_NullCallback 0x00000100 /* Invoke the callback once if the */ /* result set is empty */ #define SQLITE_SqlTrace 0x00000200 /* Debug print SQL as it executes */ #define SQLITE_VdbeListing 0x00000400 /* Debug listings of VDBE programs */ #define SQLITE_WriteSchema 0x00000800 /* OK to update SQLITE_MASTER */ #define SQLITE_VdbeAddopTrace 0x00001000 /* Trace sqlite3VdbeAddOp() calls */ #define SQLITE_IgnoreChecks 0x00002000 /* Do not enforce check constraints */ #define SQLITE_ReadUncommitted 0x0004000 /* For shared-cache mode */ #define SQLITE_LegacyFileFmt 0x00008000 /* Create new databases in format 1 */ #define SQLITE_RecoveryMode 0x00010000 /* Ignore schema errors */ #define SQLITE_ReverseOrder 0x00020000 /* Reverse unordered SELECTs */ #define SQLITE_RecTriggers 0x00040000 /* Enable recursive triggers */ #define SQLITE_ForeignKeys 0x00080000 /* Enforce foreign key constraints */ #define SQLITE_AutoIndex 0x00100000 /* Enable automatic indexes */ #define SQLITE_PreferBuiltin 0x00200000 /* Preference to built-in funcs */ #define SQLITE_LoadExtension 0x00400000 /* Enable load_extension */ #define SQLITE_LoadExtFunc 0x00800000 /* Enable load_extension() SQL func */ #define SQLITE_EnableTrigger 0x01000000 /* True to enable triggers */ #define SQLITE_DeferFKs 0x02000000 /* Defer all FK constraints */ #define SQLITE_QueryOnly 0x04000000 /* Disable database changes */ #define SQLITE_VdbeEQP 0x08000000 /* Debug EXPLAIN QUERY PLAN */ #define SQLITE_Vacuum 0x10000000 /* Currently in a VACUUM */ #define SQLITE_CellSizeCk 0x20000000 /* Check btree cell sizes on load */ #define SQLITE_Fts3Tokenizer 0x40000000 /* Enable fts3_tokenizer(2) */ #define SQLITE_NoCkptOnClose 0x80000000 /* No checkpoint on close()/DETACH */ /* ** Bits of the sqlite3.dbOptFlags field that are used by the ** sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS,...) interface to ** selectively disable various optimizations. */ ................................................................................ #define SQLITE_DistinctOpt 0x0020 /* DISTINCT using indexes */ #define SQLITE_CoverIdxScan 0x0040 /* Covering index scans */ #define SQLITE_OrderByIdxJoin 0x0080 /* ORDER BY of joins via index */ #define SQLITE_SubqCoroutine 0x0100 /* Evaluate subqueries as coroutines */ #define SQLITE_Transitive 0x0200 /* Transitive constraints */ #define SQLITE_OmitNoopJoin 0x0400 /* Omit unused tables in joins */ #define SQLITE_Stat34 0x0800 /* Use STAT3 or STAT4 data */ #define SQLITE_CursorHints 0x2000 /* Add OP_CursorHint opcodes */ #define SQLITE_AllOpts 0xffff /* All optimizations */ /* ** Macros for testing whether or not optimizations are enabled or disabled. */ #define OptimizationDisabled(db, mask) (((db)->dbOptFlags&(mask))!=0) ................................................................................ ** VFUNCTION(zName, nArg, iArg, bNC, xFunc) ** Like FUNCTION except it omits the SQLITE_FUNC_CONSTANT flag. ** ** DFUNCTION(zName, nArg, iArg, bNC, xFunc) ** Like FUNCTION except it omits the SQLITE_FUNC_CONSTANT flag and ** adds the SQLITE_FUNC_SLOCHNG flag. Used for date & time functions ** and functions like sqlite_version() that can change, but not during ** a single query. ** ** AGGREGATE(zName, nArg, iArg, bNC, xStep, xFinal) ** Used to create an aggregate function definition implemented by ** the C functions xStep and xFinal. The first four parameters ** are interpreted in the same way as the first 4 parameters to ** FUNCTION(). ** ................................................................................ #define FUNCTION(zName, nArg, iArg, bNC, xFunc) \ {nArg, SQLITE_FUNC_CONSTANT|SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL), \ SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, #zName, {0} } #define VFUNCTION(zName, nArg, iArg, bNC, xFunc) \ {nArg, SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL), \ SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, #zName, {0} } #define DFUNCTION(zName, nArg, iArg, bNC, xFunc) \ {nArg, SQLITE_FUNC_SLOCHNG|SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL), \ SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, #zName, {0} } #define FUNCTION2(zName, nArg, iArg, bNC, xFunc, extraFlags) \ {nArg,SQLITE_FUNC_CONSTANT|SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL)|extraFlags,\ SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, #zName, {0} } #define STR_FUNCTION(zName, nArg, pArg, bNC, xFunc) \ {nArg, SQLITE_FUNC_SLOCHNG|SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL), \ pArg, 0, xFunc, 0, #zName, } #define LIKEFUNC(zName, nArg, arg, flags) \ ................................................................................ }; /* ** The following are the meanings of bits in the Expr.flags field. */ #define EP_FromJoin 0x000001 /* Originates in ON/USING clause of outer join */ #define EP_Agg 0x000002 /* Contains one or more aggregate functions */ #define EP_Resolved 0x000004 /* IDs have been resolved to COLUMNs */ #define EP_Error 0x000008 /* Expression contains one or more errors */ #define EP_Distinct 0x000010 /* Aggregate function with DISTINCT keyword */ #define EP_VarSelect 0x000020 /* pSelect is correlated, not constant */ #define EP_DblQuoted 0x000040 /* token.z was originally in "..." */ #define EP_InfixFunc 0x000080 /* True for an infix function: LIKE, GLOB, etc */ #define EP_Collate 0x000100 /* Tree contains a TK_COLLATE operator */ #define EP_Generic 0x000200 /* Ignore COLLATE or affinity on this tree */ #define EP_IntValue 0x000400 /* Integer value contained in u.iValue */ ................................................................................ /* ** An instance of this object describes where to put of the results of ** a SELECT statement. */ struct SelectDest { u8 eDest; /* How to dispose of the results. On of SRT_* above. */ char *zAffSdst; /* Affinity used when eDest==SRT_Set */ int iSDParm; /* A parameter used by the eDest disposal method */ int iSdst; /* Base register where results are written */ int nSdst; /* Number of registers allocated */ ExprList *pOrderBy; /* Key columns for SRT_Queue and SRT_DistQueue */ }; /* ** During code generation of statements that do inserts into AUTOINCREMENT ** tables, the following information is attached to the Table.u.autoInc.p ** pointer of each autoincrement table to record some side information that ................................................................................ int nRangeReg; /* Size of the temporary register block */ int iRangeReg; /* First register in temporary register block */ int nErr; /* Number of errors seen */ int nTab; /* Number of previously allocated VDBE cursors */ int nMem; /* Number of memory cells used so far */ int nOpAlloc; /* Number of slots allocated for Vdbe.aOp[] */ int szOpAlloc; /* Bytes of memory space allocated for Vdbe.aOp[] */ int ckBase; /* Base register of data during check constraints */ int iSelfTab; /* Table of an index whose exprs are being coded */ int iCacheLevel; /* ColCache valid when aColCache[].iLevel<=iCacheLevel */ int iCacheCnt; /* Counter used to generate aColCache[].lru values */ int nLabel; /* Number of labels used */ int *aLabel; /* Space to hold the labels */ ExprList *pConstExpr;/* Constant expressions */ Token constraintName;/* Name of the constraint currently being parsed */ yDbMask writeMask; /* Start a write transaction on these databases */ ................................................................................ /* Forward declarations */ SQLITE_PRIVATE int sqlite3WalkExpr(Walker*, Expr*); SQLITE_PRIVATE int sqlite3WalkExprList(Walker*, ExprList*); SQLITE_PRIVATE int sqlite3WalkSelect(Walker*, Select*); SQLITE_PRIVATE int sqlite3WalkSelectExpr(Walker*, Select*); SQLITE_PRIVATE int sqlite3WalkSelectFrom(Walker*, Select*); SQLITE_PRIVATE int sqlite3ExprWalkNoop(Walker*, Expr*); /* ** Return code from the parse-tree walking primitives and their ** callbacks. */ #define WRC_Continue 0 /* Continue down into children */ #define WRC_Prune 1 /* Omit children but continue walking siblings */ ................................................................................ SQLITE_PRIVATE int sqlite3CantopenError(int); #define SQLITE_CORRUPT_BKPT sqlite3CorruptError(__LINE__) #define SQLITE_MISUSE_BKPT sqlite3MisuseError(__LINE__) #define SQLITE_CANTOPEN_BKPT sqlite3CantopenError(__LINE__) #ifdef SQLITE_DEBUG SQLITE_PRIVATE int sqlite3NomemError(int); SQLITE_PRIVATE int sqlite3IoerrnomemError(int); # define SQLITE_NOMEM_BKPT sqlite3NomemError(__LINE__) # define SQLITE_IOERR_NOMEM_BKPT sqlite3IoerrnomemError(__LINE__) #else # define SQLITE_NOMEM_BKPT SQLITE_NOMEM # define SQLITE_IOERR_NOMEM_BKPT SQLITE_IOERR_NOMEM #endif /* ** FTS3 and FTS4 both require virtual table support */ #if defined(SQLITE_OMIT_VIRTUALTABLE) # undef SQLITE_ENABLE_FTS3 ................................................................................ SQLITE_PRIVATE Table *sqlite3LocateTableItem(Parse*,u32 flags,struct SrcList_item *); SQLITE_PRIVATE Index *sqlite3FindIndex(sqlite3*,const char*, const char*); SQLITE_PRIVATE void sqlite3UnlinkAndDeleteTable(sqlite3*,int,const char*); SQLITE_PRIVATE void sqlite3UnlinkAndDeleteIndex(sqlite3*,int,const char*); SQLITE_PRIVATE void sqlite3Vacuum(Parse*,Token*); SQLITE_PRIVATE int sqlite3RunVacuum(char**, sqlite3*, int); SQLITE_PRIVATE char *sqlite3NameFromToken(sqlite3*, Token*); SQLITE_PRIVATE int sqlite3ExprCompare(Expr*, Expr*, int); SQLITE_PRIVATE int sqlite3ExprCompareSkip(Expr*, Expr*, int); SQLITE_PRIVATE int sqlite3ExprListCompare(ExprList*, ExprList*, int); SQLITE_PRIVATE int sqlite3ExprImpliesExpr(Expr*, Expr*, int); SQLITE_PRIVATE void sqlite3ExprAnalyzeAggregates(NameContext*, Expr*); SQLITE_PRIVATE void sqlite3ExprAnalyzeAggList(NameContext*,ExprList*); SQLITE_PRIVATE int sqlite3ExprCoveredByIndex(Expr*, int iCur, Index *pIdx); SQLITE_PRIVATE int sqlite3FunctionUsesThisSrc(Expr*, SrcList*); SQLITE_PRIVATE Vdbe *sqlite3GetVdbe(Parse*); #ifndef SQLITE_UNTESTABLE SQLITE_PRIVATE void sqlite3PrngSaveState(void); SQLITE_PRIVATE void sqlite3PrngRestoreState(void); #endif SQLITE_PRIVATE void sqlite3RollbackAll(sqlite3*,int); SQLITE_PRIVATE void sqlite3CodeVerifySchema(Parse*, int); SQLITE_PRIVATE void sqlite3CodeVerifyNamedSchema(Parse*, const char *zDb); SQLITE_PRIVATE void sqlite3BeginTransaction(Parse*, int); SQLITE_PRIVATE void sqlite3CommitTransaction(Parse*); SQLITE_PRIVATE void sqlite3RollbackTransaction(Parse*); SQLITE_PRIVATE void sqlite3Savepoint(Parse*, int, Token*); SQLITE_PRIVATE void sqlite3CloseSavepoints(sqlite3 *); SQLITE_PRIVATE void sqlite3LeaveMutexAndCloseZombie(sqlite3*); SQLITE_PRIVATE int sqlite3ExprIsConstant(Expr*); SQLITE_PRIVATE int sqlite3ExprIsConstantNotJoin(Expr*); SQLITE_PRIVATE int sqlite3ExprIsConstantOrFunction(Expr*, u8); SQLITE_PRIVATE int sqlite3ExprIsConstantOrGroupBy(Parse*, Expr*, ExprList*); ................................................................................ SQLITE_PRIVATE int sqlite3FixSelect(DbFixer*, Select*); SQLITE_PRIVATE int sqlite3FixExpr(DbFixer*, Expr*); SQLITE_PRIVATE int sqlite3FixExprList(DbFixer*, ExprList*); SQLITE_PRIVATE int sqlite3FixTriggerStep(DbFixer*, TriggerStep*); SQLITE_PRIVATE int sqlite3AtoF(const char *z, double*, int, u8); SQLITE_PRIVATE int sqlite3GetInt32(const char *, int*); SQLITE_PRIVATE int sqlite3Atoi(const char*); SQLITE_PRIVATE int sqlite3Utf16ByteLen(const void *pData, int nChar); SQLITE_PRIVATE int sqlite3Utf8CharLen(const char *pData, int nByte); SQLITE_PRIVATE u32 sqlite3Utf8Read(const u8**); SQLITE_PRIVATE LogEst sqlite3LogEst(u64); SQLITE_PRIVATE LogEst sqlite3LogEstAdd(LogEst,LogEst); #ifndef SQLITE_OMIT_VIRTUALTABLE SQLITE_PRIVATE LogEst sqlite3LogEstFromDouble(double); #endif ................................................................................ SQLITE_PRIVATE const void *sqlite3ValueText(sqlite3_value*, u8); SQLITE_PRIVATE int sqlite3ValueBytes(sqlite3_value*, u8); SQLITE_PRIVATE void sqlite3ValueSetStr(sqlite3_value*, int, const void *,u8, void(*)(void*)); SQLITE_PRIVATE void sqlite3ValueSetNull(sqlite3_value*); SQLITE_PRIVATE void sqlite3ValueFree(sqlite3_value*); SQLITE_PRIVATE sqlite3_value *sqlite3ValueNew(sqlite3 *); SQLITE_PRIVATE char *sqlite3Utf16to8(sqlite3 *, const void*, int, u8); SQLITE_PRIVATE int sqlite3ValueFromExpr(sqlite3 *, Expr *, u8, u8, sqlite3_value **); SQLITE_PRIVATE void sqlite3ValueApplyAffinity(sqlite3_value *, u8, u8); #ifndef SQLITE_AMALGAMATION SQLITE_PRIVATE const unsigned char sqlite3OpcodeProperty[]; SQLITE_PRIVATE const char sqlite3StrBINARY[]; SQLITE_PRIVATE const unsigned char sqlite3UpperToLower[]; SQLITE_PRIVATE const unsigned char sqlite3CtypeMap[]; ................................................................................ #endif SQLITE_PRIVATE int sqlite3ExprVectorSize(Expr *pExpr); SQLITE_PRIVATE int sqlite3ExprIsVector(Expr *pExpr); SQLITE_PRIVATE Expr *sqlite3VectorFieldSubexpr(Expr*, int); SQLITE_PRIVATE Expr *sqlite3ExprForVectorField(Parse*,Expr*,int); SQLITE_PRIVATE void sqlite3VectorErrorMsg(Parse*, Expr*); #endif /* SQLITEINT_H */ /************** End of sqliteInt.h *******************************************/ /************** Begin file global.c ******************************************/ /* ** 2008 June 13 ................................................................................ /* ** Name of the default collating sequence */ SQLITE_PRIVATE const char sqlite3StrBINARY[] = "BINARY"; /************** End of global.c **********************************************/ /************** Begin file ctime.c *******************************************/ /* ** 2010 February 23 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** ** This file implements routines used to report what compile-time options ** SQLite was built with. */ #ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS /* #include "sqliteInt.h" */ /* ** An array of names of all compile-time options. This array should ** be sorted A-Z. ** ** This array looks large, but in a typical installation actually uses ** only a handful of compile-time options, so most times this array is usually ** rather short and uses little memory space. */ static const char * const azCompileOpt[] = { /* These macros are provided to "stringify" the value of the define ** for those options in which the value is meaningful. */ #define CTIMEOPT_VAL_(opt) #opt #define CTIMEOPT_VAL(opt) CTIMEOPT_VAL_(opt) #if SQLITE_32BIT_ROWID "32BIT_ROWID", #endif #if SQLITE_4_BYTE_ALIGNED_MALLOC "4_BYTE_ALIGNED_MALLOC", #endif #if SQLITE_CASE_SENSITIVE_LIKE "CASE_SENSITIVE_LIKE", #endif #if SQLITE_CHECK_PAGES "CHECK_PAGES", #endif #if defined(__clang__) && defined(__clang_major__) "COMPILER=clang-" CTIMEOPT_VAL(__clang_major__) "." CTIMEOPT_VAL(__clang_minor__) "." CTIMEOPT_VAL(__clang_patchlevel__), #elif defined(_MSC_VER) "COMPILER=msvc-" CTIMEOPT_VAL(_MSC_VER), #elif defined(__GNUC__) && defined(__VERSION__) "COMPILER=gcc-" __VERSION__, #endif #if SQLITE_COVERAGE_TEST "COVERAGE_TEST", #endif #ifdef SQLITE_DEBUG "DEBUG", #endif #if SQLITE_DEFAULT_LOCKING_MODE "DEFAULT_LOCKING_MODE=" CTIMEOPT_VAL(SQLITE_DEFAULT_LOCKING_MODE), #endif #if defined(SQLITE_DEFAULT_MMAP_SIZE) && !defined(SQLITE_DEFAULT_MMAP_SIZE_xc) "DEFAULT_MMAP_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_MMAP_SIZE), #endif #if SQLITE_DEFAULT_SYNCHRONOUS "DEFAULT_SYNCHRONOUS=" CTIMEOPT_VAL(SQLITE_DEFAULT_SYNCHRONOUS), #endif #if SQLITE_DEFAULT_WAL_SYNCHRONOUS "DEFAULT_WAL_SYNCHRONOUS=" CTIMEOPT_VAL(SQLITE_DEFAULT_WAL_SYNCHRONOUS), #endif #if SQLITE_DIRECT_OVERFLOW_READ "DIRECT_OVERFLOW_READ", #endif #if SQLITE_DISABLE_DIRSYNC "DISABLE_DIRSYNC", #endif #if SQLITE_DISABLE_LFS "DISABLE_LFS", #endif #if SQLITE_ENABLE_8_3_NAMES "ENABLE_8_3_NAMES=" CTIMEOPT_VAL(SQLITE_ENABLE_8_3_NAMES), #endif #if SQLITE_ENABLE_API_ARMOR "ENABLE_API_ARMOR", #endif #if SQLITE_ENABLE_ATOMIC_WRITE "ENABLE_ATOMIC_WRITE", #endif #if SQLITE_ENABLE_CEROD "ENABLE_CEROD", #endif #if SQLITE_ENABLE_COLUMN_METADATA "ENABLE_COLUMN_METADATA", #endif #if SQLITE_ENABLE_DBSTAT_VTAB "ENABLE_DBSTAT_VTAB", #endif #if SQLITE_ENABLE_EXPENSIVE_ASSERT "ENABLE_EXPENSIVE_ASSERT", #endif #if SQLITE_ENABLE_FTS1 "ENABLE_FTS1", #endif #if SQLITE_ENABLE_FTS2 "ENABLE_FTS2", #endif #if SQLITE_ENABLE_FTS3 "ENABLE_FTS3", #endif #if SQLITE_ENABLE_FTS3_PARENTHESIS "ENABLE_FTS3_PARENTHESIS", #endif #if SQLITE_ENABLE_FTS4 "ENABLE_FTS4", #endif #if SQLITE_ENABLE_FTS5 "ENABLE_FTS5", #endif #if SQLITE_ENABLE_ICU "ENABLE_ICU", #endif #if SQLITE_ENABLE_IOTRACE "ENABLE_IOTRACE", #endif #if SQLITE_ENABLE_JSON1 "ENABLE_JSON1", #endif #if SQLITE_ENABLE_LOAD_EXTENSION "ENABLE_LOAD_EXTENSION", #endif #if SQLITE_ENABLE_LOCKING_STYLE "ENABLE_LOCKING_STYLE=" CTIMEOPT_VAL(SQLITE_ENABLE_LOCKING_STYLE), #endif #if SQLITE_ENABLE_MEMORY_MANAGEMENT "ENABLE_MEMORY_MANAGEMENT", #endif #if SQLITE_ENABLE_MEMSYS3 "ENABLE_MEMSYS3", #endif #if SQLITE_ENABLE_MEMSYS5 "ENABLE_MEMSYS5", #endif #if SQLITE_ENABLE_OVERSIZE_CELL_CHECK "ENABLE_OVERSIZE_CELL_CHECK", #endif #if SQLITE_ENABLE_RTREE "ENABLE_RTREE", #endif #if defined(SQLITE_ENABLE_STAT4) "ENABLE_STAT4", #elif defined(SQLITE_ENABLE_STAT3) "ENABLE_STAT3", #endif #if SQLITE_ENABLE_UNLOCK_NOTIFY "ENABLE_UNLOCK_NOTIFY", #endif #if SQLITE_ENABLE_UPDATE_DELETE_LIMIT "ENABLE_UPDATE_DELETE_LIMIT", #endif #if defined(SQLITE_ENABLE_URI_00_ERROR) "ENABLE_URI_00_ERROR", #endif #if SQLITE_HAS_CODEC "HAS_CODEC", #endif #if HAVE_ISNAN || SQLITE_HAVE_ISNAN "HAVE_ISNAN", #endif #if SQLITE_HOMEGROWN_RECURSIVE_MUTEX "HOMEGROWN_RECURSIVE_MUTEX", #endif #if SQLITE_IGNORE_AFP_LOCK_ERRORS "IGNORE_AFP_LOCK_ERRORS", #endif #if SQLITE_IGNORE_FLOCK_LOCK_ERRORS "IGNORE_FLOCK_LOCK_ERRORS", #endif #ifdef SQLITE_INT64_TYPE "INT64_TYPE", #endif #ifdef SQLITE_LIKE_DOESNT_MATCH_BLOBS "LIKE_DOESNT_MATCH_BLOBS", #endif #if SQLITE_LOCK_TRACE "LOCK_TRACE", #endif #if defined(SQLITE_MAX_MMAP_SIZE) && !defined(SQLITE_MAX_MMAP_SIZE_xc) "MAX_MMAP_SIZE=" CTIMEOPT_VAL(SQLITE_MAX_MMAP_SIZE), #endif #ifdef SQLITE_MAX_SCHEMA_RETRY "MAX_SCHEMA_RETRY=" CTIMEOPT_VAL(SQLITE_MAX_SCHEMA_RETRY), #endif #if SQLITE_MEMDEBUG "MEMDEBUG", #endif #if SQLITE_MIXED_ENDIAN_64BIT_FLOAT "MIXED_ENDIAN_64BIT_FLOAT", #endif #if SQLITE_NO_SYNC "NO_SYNC", #endif #if SQLITE_OMIT_ALTERTABLE "OMIT_ALTERTABLE", #endif #if SQLITE_OMIT_ANALYZE "OMIT_ANALYZE", #endif #if SQLITE_OMIT_ATTACH "OMIT_ATTACH", #endif #if SQLITE_OMIT_AUTHORIZATION "OMIT_AUTHORIZATION", #endif #if SQLITE_OMIT_AUTOINCREMENT "OMIT_AUTOINCREMENT", #endif #if SQLITE_OMIT_AUTOINIT "OMIT_AUTOINIT", #endif #if SQLITE_OMIT_AUTOMATIC_INDEX "OMIT_AUTOMATIC_INDEX", #endif #if SQLITE_OMIT_AUTORESET "OMIT_AUTORESET", #endif #if SQLITE_OMIT_AUTOVACUUM "OMIT_AUTOVACUUM", #endif #if SQLITE_OMIT_BETWEEN_OPTIMIZATION "OMIT_BETWEEN_OPTIMIZATION", #endif #if SQLITE_OMIT_BLOB_LITERAL "OMIT_BLOB_LITERAL", #endif #if SQLITE_OMIT_BTREECOUNT "OMIT_BTREECOUNT", #endif #if SQLITE_OMIT_CAST "OMIT_CAST", #endif #if SQLITE_OMIT_CHECK "OMIT_CHECK", #endif #if SQLITE_OMIT_COMPLETE "OMIT_COMPLETE", #endif #if SQLITE_OMIT_COMPOUND_SELECT "OMIT_COMPOUND_SELECT", #endif #if SQLITE_OMIT_CTE "OMIT_CTE", #endif #if SQLITE_OMIT_DATETIME_FUNCS "OMIT_DATETIME_FUNCS", #endif #if SQLITE_OMIT_DECLTYPE "OMIT_DECLTYPE", #endif #if SQLITE_OMIT_DEPRECATED "OMIT_DEPRECATED", #endif #if SQLITE_OMIT_DISKIO "OMIT_DISKIO", #endif #if SQLITE_OMIT_EXPLAIN "OMIT_EXPLAIN", #endif #if SQLITE_OMIT_FLAG_PRAGMAS "OMIT_FLAG_PRAGMAS", #endif #if SQLITE_OMIT_FLOATING_POINT "OMIT_FLOATING_POINT", #endif #if SQLITE_OMIT_FOREIGN_KEY "OMIT_FOREIGN_KEY", #endif #if SQLITE_OMIT_GET_TABLE "OMIT_GET_TABLE", #endif #if SQLITE_OMIT_INCRBLOB "OMIT_INCRBLOB", #endif #if SQLITE_OMIT_INTEGRITY_CHECK "OMIT_INTEGRITY_CHECK", #endif #if SQLITE_OMIT_LIKE_OPTIMIZATION "OMIT_LIKE_OPTIMIZATION", #endif #if SQLITE_OMIT_LOAD_EXTENSION "OMIT_LOAD_EXTENSION", #endif #if SQLITE_OMIT_LOCALTIME "OMIT_LOCALTIME", #endif #if SQLITE_OMIT_LOOKASIDE "OMIT_LOOKASIDE", #endif #if SQLITE_OMIT_MEMORYDB "OMIT_MEMORYDB", #endif #if SQLITE_OMIT_OR_OPTIMIZATION "OMIT_OR_OPTIMIZATION", #endif #if SQLITE_OMIT_PAGER_PRAGMAS "OMIT_PAGER_PRAGMAS", #endif #if SQLITE_OMIT_PRAGMA "OMIT_PRAGMA", #endif #if SQLITE_OMIT_PROGRESS_CALLBACK "OMIT_PROGRESS_CALLBACK", #endif #if SQLITE_OMIT_QUICKBALANCE "OMIT_QUICKBALANCE", #endif #if SQLITE_OMIT_REINDEX "OMIT_REINDEX", #endif #if SQLITE_OMIT_SCHEMA_PRAGMAS "OMIT_SCHEMA_PRAGMAS", #endif #if SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS "OMIT_SCHEMA_VERSION_PRAGMAS", #endif #if SQLITE_OMIT_SHARED_CACHE "OMIT_SHARED_CACHE", #endif #if SQLITE_OMIT_SUBQUERY "OMIT_SUBQUERY", #endif #if SQLITE_OMIT_TCL_VARIABLE "OMIT_TCL_VARIABLE", #endif #if SQLITE_OMIT_TEMPDB "OMIT_TEMPDB", #endif #if SQLITE_OMIT_TRACE "OMIT_TRACE", #endif #if SQLITE_OMIT_TRIGGER "OMIT_TRIGGER", #endif #if SQLITE_OMIT_TRUNCATE_OPTIMIZATION "OMIT_TRUNCATE_OPTIMIZATION", #endif #if SQLITE_OMIT_UTF16 "OMIT_UTF16", #endif #if SQLITE_OMIT_VACUUM "OMIT_VACUUM", #endif #if SQLITE_OMIT_VIEW "OMIT_VIEW", #endif #if SQLITE_OMIT_VIRTUALTABLE "OMIT_VIRTUALTABLE", #endif #if SQLITE_OMIT_WAL "OMIT_WAL", #endif #if SQLITE_OMIT_WSD "OMIT_WSD", #endif #if SQLITE_OMIT_XFER_OPT "OMIT_XFER_OPT", #endif #if SQLITE_PERFORMANCE_TRACE "PERFORMANCE_TRACE", #endif #if SQLITE_PROXY_DEBUG "PROXY_DEBUG", #endif #if SQLITE_RTREE_INT_ONLY "RTREE_INT_ONLY", #endif #if SQLITE_SECURE_DELETE "SECURE_DELETE", #endif #if SQLITE_SMALL_STACK "SMALL_STACK", #endif #if SQLITE_SOUNDEX "SOUNDEX", #endif #if SQLITE_SYSTEM_MALLOC "SYSTEM_MALLOC", #endif #if SQLITE_TCL "TCL", #endif #if defined(SQLITE_TEMP_STORE) && !defined(SQLITE_TEMP_STORE_xc) "TEMP_STORE=" CTIMEOPT_VAL(SQLITE_TEMP_STORE), #endif #if SQLITE_TEST "TEST", #endif #if defined(SQLITE_THREADSAFE) "THREADSAFE=" CTIMEOPT_VAL(SQLITE_THREADSAFE), #endif #if SQLITE_UNTESTABLE "UNTESTABLE" #endif #if SQLITE_USE_ALLOCA "USE_ALLOCA", #endif #if SQLITE_USER_AUTHENTICATION "USER_AUTHENTICATION", #endif #if SQLITE_WIN32_MALLOC "WIN32_MALLOC", #endif #if SQLITE_ZERO_MALLOC "ZERO_MALLOC" #endif }; /* ** Given the name of a compile-time option, return true if that option ** was used and false if not. ** ** The name can optionally begin with "SQLITE_" but the "SQLITE_" prefix ** is not required for a match. */ SQLITE_API int sqlite3_compileoption_used(const char *zOptName){ int i, n; #if SQLITE_ENABLE_API_ARMOR if( zOptName==0 ){ (void)SQLITE_MISUSE_BKPT; return 0; } #endif if( sqlite3StrNICmp(zOptName, "SQLITE_", 7)==0 ) zOptName += 7; n = sqlite3Strlen30(zOptName); /* Since ArraySize(azCompileOpt) is normally in single digits, a ** linear search is adequate. No need for a binary search. */ for(i=0; i<ArraySize(azCompileOpt); i++){ if( sqlite3StrNICmp(zOptName, azCompileOpt[i], n)==0 && sqlite3IsIdChar((unsigned char)azCompileOpt[i][n])==0 ){ return 1; } } return 0; } /* ** Return the N-th compile-time option string. If N is out of range, ** return a NULL pointer. */ SQLITE_API const char *sqlite3_compileoption_get(int N){ if( N>=0 && N<ArraySize(azCompileOpt) ){ return azCompileOpt[N]; } return 0; } #endif /* SQLITE_OMIT_COMPILEOPTION_DIAGS */ /************** End of ctime.c ***********************************************/ /************** Begin file status.c ******************************************/ /* ** 2008 June 18 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ** ................................................................................ ** structures. Each Mem struct may cache multiple representations (string, ** integer etc.) of the same value. */ struct sqlite3_value { union MemValue { double r; /* Real value used when MEM_Real is set in flags */ i64 i; /* Integer value used when MEM_Int is set in flags */ int nZero; /* Used when bit MEM_Zero is set in flags */ FuncDef *pDef; /* Used only when flags==MEM_Agg */ RowSet *pRowSet; /* Used only when flags==MEM_RowSet */ VdbeFrame *pFrame; /* Used when flags==MEM_Frame */ } u; u16 flags; /* Some combination of MEM_Null, MEM_Str, MEM_Dyn, etc. */ u8 enc; /* SQLITE_UTF8, SQLITE_UTF16BE, SQLITE_UTF16LE */ u8 eSubtype; /* Subtype for this value */ ................................................................................ */ #define MEMCELLSIZE offsetof(Mem,zMalloc) /* One or more of the following flags are set to indicate the validOK ** representations of the value stored in the Mem struct. ** ** If the MEM_Null flag is set, then the value is an SQL NULL value. ** No other flags may be set in this case. ** ** If the MEM_Str flag is set then Mem.z points at a string representation. ** Usually this is encoded in the same unicode encoding as the main ** database (see below for exceptions). If the MEM_Term flag is also ** set, then the string is nul terminated. The MEM_Int and MEM_Real ** flags may coexist with the MEM_Str flag. */ #define MEM_Null 0x0001 /* Value is NULL */ #define MEM_Str 0x0002 /* Value is a string */ #define MEM_Int 0x0004 /* Value is an integer */ #define MEM_Real 0x0008 /* Value is a real number */ #define MEM_Blob 0x0010 /* Value is a BLOB */ #define MEM_AffMask 0x001f /* Mask of affinity bits */ #define MEM_RowSet 0x0020 /* Value is a RowSet object */ #define MEM_Frame 0x0040 /* Value is a VdbeFrame object */ #define MEM_Undefined 0x0080 /* Value is undefined */ #define MEM_Cleared 0x0100 /* NULL set by OP_Null, not from data */ #define MEM_TypeMask 0x81ff /* Mask of type bits */ /* Whenever Mem contains a valid string or blob representation, one of ** the following flags must be set to determine the memory management ** policy for Mem.z. The MEM_Term flag tells us whether or not the ** string is \000 or \u0000 terminated */ #define MEM_Term 0x0200 /* String rep is nul terminated */ #define MEM_Dyn 0x0400 /* Need to call Mem.xDel() on Mem.z */ #define MEM_Static 0x0800 /* Mem.z points to a static string */ #define MEM_Ephem 0x1000 /* Mem.z points to an ephemeral string */ #define MEM_Agg 0x2000 /* Mem.z points to an agg function context */ #define MEM_Zero 0x4000 /* Mem.i contains count of 0s appended to blob */ #define MEM_Subtype 0x8000 /* Mem.eSubtype is valid */ #ifdef SQLITE_OMIT_INCRBLOB ................................................................................ int nOp; /* Number of instructions in the program */ #ifdef SQLITE_DEBUG int rcApp; /* errcode set by sqlite3_result_error_code() */ #endif u16 nResColumn; /* Number of columns in one row of the result set */ u8 errorAction; /* Recovery action to do in case of an error */ u8 minWriteFileFormat; /* Minimum file format for writable database files */ bft expired:1; /* True if the VM needs to be recompiled */ bft doingRerun:1; /* True if rerunning after an auto-reprepare */ bft explain:2; /* True if EXPLAIN present on SQL command */ bft changeCntOn:1; /* True to update the change-counter */ bft runOnlyOnce:1; /* Automatically expire on reset */ bft usesStmtJournal:1; /* True if uses a statement journal */ bft readOnly:1; /* True for statements that do not write */ bft bIsReader:1; /* True for statements that read */ bft isPrepareV2:1; /* True if prepared with prepare_v2() */ yDbMask btreeMask; /* Bitmask of db->aDb[] entries referenced */ yDbMask lockMask; /* Subset of btreeMask that requires a lock */ u32 aCounter[5]; /* Counters used by sqlite3_stmt_status() */ char *zSql; /* Text of the SQL statement that generated this */ void *pFree; /* Free this when deleting the vdbe */ VdbeFrame *pFrame; /* Parent frame */ VdbeFrame *pDelFrame; /* List of frame objects to free on VM reset */ int nFrame; /* Number of frames in pFrame list */ u32 expmask; /* Binding to these vars invalidates VM */ SubProgram *pProgram; /* Linked list of all sub-programs used by VM */ ................................................................................ SQLITE_PRIVATE int sqlite3VdbeMemSetStr(Mem*, const char*, int, u8, void(*)(void*)); SQLITE_PRIVATE void sqlite3VdbeMemSetInt64(Mem*, i64); #ifdef SQLITE_OMIT_FLOATING_POINT # define sqlite3VdbeMemSetDouble sqlite3VdbeMemSetInt64 #else SQLITE_PRIVATE void sqlite3VdbeMemSetDouble(Mem*, double); #endif SQLITE_PRIVATE void sqlite3VdbeMemInit(Mem*,sqlite3*,u16); SQLITE_PRIVATE void sqlite3VdbeMemSetNull(Mem*); SQLITE_PRIVATE void sqlite3VdbeMemSetZeroBlob(Mem*,int); SQLITE_PRIVATE void sqlite3VdbeMemSetRowSet(Mem*); SQLITE_PRIVATE int sqlite3VdbeMemMakeWriteable(Mem*); SQLITE_PRIVATE int sqlite3VdbeMemStringify(Mem*, u8, u8); SQLITE_PRIVATE i64 sqlite3VdbeIntValue(Mem*); ................................................................................ #endif SQLITE_PRIVATE int sqlite3VdbeTransferError(Vdbe *p); SQLITE_PRIVATE int sqlite3VdbeSorterInit(sqlite3 *, int, VdbeCursor *); SQLITE_PRIVATE void sqlite3VdbeSorterReset(sqlite3 *, VdbeSorter *); SQLITE_PRIVATE void sqlite3VdbeSorterClose(sqlite3 *, VdbeCursor *); SQLITE_PRIVATE int sqlite3VdbeSorterRowkey(const VdbeCursor *, Mem *); SQLITE_PRIVATE int sqlite3VdbeSorterNext(sqlite3 *, const VdbeCursor *, int *); SQLITE_PRIVATE int sqlite3VdbeSorterRewind(const VdbeCursor *, int *); SQLITE_PRIVATE int sqlite3VdbeSorterWrite(const VdbeCursor *, Mem *); SQLITE_PRIVATE int sqlite3VdbeSorterCompare(const VdbeCursor *, Mem *, int, int *); #if !defined(SQLITE_OMIT_SHARED_CACHE) SQLITE_PRIVATE void sqlite3VdbeEnter(Vdbe*); #else ................................................................................ #ifndef SQLITE_OMIT_FOREIGN_KEY SQLITE_PRIVATE int sqlite3VdbeCheckFk(Vdbe *, int); #else # define sqlite3VdbeCheckFk(p,i) 0 #endif SQLITE_PRIVATE int sqlite3VdbeMemTranslate(Mem*, u8); #ifdef SQLITE_DEBUG SQLITE_PRIVATE void sqlite3VdbePrintSql(Vdbe*); SQLITE_PRIVATE void sqlite3VdbeMemPrettyPrint(Mem *pMem, char *zBuf); #endif SQLITE_PRIVATE int sqlite3VdbeMemHandleBom(Mem *pMem); #ifndef SQLITE_OMIT_INCRBLOB SQLITE_PRIVATE int sqlite3VdbeMemExpandBlob(Mem *); #define ExpandBlob(P) (((P)->flags&MEM_Zero)?sqlite3VdbeMemExpandBlob(P):0) #else #define sqlite3VdbeMemExpandBlob(x) SQLITE_OK #define ExpandBlob(P) SQLITE_OK ................................................................................ DateTime *p ){ double r; if( parseYyyyMmDd(zDate,p)==0 ){ return 0; }else if( parseHhMmSs(zDate, p)==0 ){ return 0; }else if( sqlite3StrICmp(zDate,"now")==0){ return setDateTimeToCurrent(context, p); }else if( sqlite3AtoF(zDate, &r, sqlite3Strlen30(zDate), SQLITE_UTF8) ){ setRawDateNumber(p, r); return 0; } return 1; } ................................................................................ #ifndef SQLITE_OMIT_LOCALTIME case 'l': { /* localtime ** ** Assuming the current time value is UTC (a.k.a. GMT), shift it to ** show local time. */ if( sqlite3_stricmp(z, "localtime")==0 ){ computeJD(p); p->iJD += localtimeOffset(p, pCtx, &rc); clearYMD_HMS_TZ(p); } break; } #endif ................................................................................ p->iJD = (sqlite3_int64)r; p->validJD = 1; p->rawS = 0; rc = 0; } } #ifndef SQLITE_OMIT_LOCALTIME else if( sqlite3_stricmp(z, "utc")==0 ){ if( p->tzSet==0 ){ sqlite3_int64 c1; computeJD(p); c1 = localtimeOffset(p, pCtx, &rc); if( rc==SQLITE_OK ){ p->iJD -= c1; clearYMD_HMS_TZ(p); ................................................................................ ** This function registered all of the above C functions as SQL ** functions. This should be the only routine in this file with ** external linkage. */ SQLITE_PRIVATE void sqlite3RegisterDateTimeFunctions(void){ static FuncDef aDateTimeFuncs[] = { #ifndef SQLITE_OMIT_DATETIME_FUNCS DFUNCTION(julianday, -1, 0, 0, juliandayFunc ), DFUNCTION(date, -1, 0, 0, dateFunc ), DFUNCTION(time, -1, 0, 0, timeFunc ), DFUNCTION(datetime, -1, 0, 0, datetimeFunc ), DFUNCTION(strftime, -1, 0, 0, strftimeFunc ), DFUNCTION(current_time, 0, 0, 0, ctimeFunc ), DFUNCTION(current_timestamp, 0, 0, 0, ctimestampFunc), DFUNCTION(current_date, 0, 0, 0, cdateFunc ), #else STR_FUNCTION(current_time, 0, "%H:%M:%S", 0, currentTimeFunc), STR_FUNCTION(current_date, 0, "%Y-%m-%d", 0, currentTimeFunc), STR_FUNCTION(current_timestamp, 0, "%Y-%m-%d %H:%M:%S", 0, currentTimeFunc), ................................................................................ if( pFarg ){ sqlite3TreeViewExprList(pView, pFarg, 0, 0); } break; } #ifndef SQLITE_OMIT_SUBQUERY case TK_EXISTS: { sqlite3TreeViewLine(pView, "EXISTS-expr"); sqlite3TreeViewSelect(pView, pExpr->x.pSelect, 0); break; } case TK_SELECT: { sqlite3TreeViewLine(pView, "SELECT-expr"); sqlite3TreeViewSelect(pView, pExpr->x.pSelect, 0); break; } case TK_IN: { sqlite3TreeViewLine(pView, "IN"); sqlite3TreeViewExpr(pView, pExpr->pLeft, 1); if( ExprHasProperty(pExpr, EP_xIsSelect) ){ sqlite3TreeViewSelect(pView, pExpr->x.pSelect, 0); }else{ sqlite3TreeViewExprList(pView, pExpr->x.pList, 0, 0); } break; ................................................................................ char zBuf[100]; sqlite3VdbeMemPrettyPrint(pMem, zBuf); fprintf(stderr, "OUTPUT: %s\n", zBuf); } #endif return SQLITE_OK; } /* ** This routine checks for a byte-order mark at the beginning of the ** UTF-16 string stored in *pMem. If one is present, it is removed and ** the encoding of the Mem adjusted. This routine does not do any ** byte-swapping, it just sets Mem.enc appropriately. ** ** The allocation (static, dynamic etc.) and encoding of the Mem may be ................................................................................ next_elem = elem->next; insertElement(pH, &new_ht[h], elem); } return 1; } /* This function (for internal use only) locates an element in an ** hash table that matches the given key. The hash for this key is ** also computed and returned in the *pH parameter. */ static HashElem *findElementWithHash( const Hash *pH, /* The pH to be searched */ const char *pKey, /* The key we are searching for */ unsigned int *pHash /* Write the hash value here */ ){ HashElem *elem; /* Used to loop thru the element list */ int count; /* Number of elements left to test */ unsigned int h; /* The computed hash */ if( pH->ht ){ /*OPTIMIZATION-IF-TRUE*/ struct _ht *pEntry; h = strHash(pKey) % pH->htsize; pEntry = &pH->ht[h]; elem = pEntry->chain; count = pEntry->count; }else{ h = 0; elem = pH->first; count = pH->count; } *pHash = h; while( count-- ){ assert( elem!=0 ); if( sqlite3StrICmp(elem->pKey,pKey)==0 ){ return elem; } elem = elem->next; } return 0; } /* Remove a single entry from the hash table given a pointer to that ** element and a hash on the element's key. */ static void removeElementGivenHash( Hash *pH, /* The pH containing "elem" */ ................................................................................ } /* Attempt to locate an element of the hash table pH with a key ** that matches pKey. Return the data for this element if it is ** found, or NULL if there is no match. */ SQLITE_PRIVATE void *sqlite3HashFind(const Hash *pH, const char *pKey){ HashElem *elem; /* The element that matches key */ unsigned int h; /* A hash on key */ assert( pH!=0 ); assert( pKey!=0 ); elem = findElementWithHash(pH, pKey, &h); return elem ? elem->data : 0; } /* Insert an element into the hash table pH. The key is pKey ** and the data is "data". ** ** If no element exists with a matching key, then a new ** element is created and NULL is returned. ................................................................................ unsigned int h; /* the hash of the key modulo hash table size */ HashElem *elem; /* Used to loop thru the element list */ HashElem *new_elem; /* New element added to the pH */ assert( pH!=0 ); assert( pKey!=0 ); elem = findElementWithHash(pH,pKey,&h); if( elem ){ void *old_data = elem->data; if( data==0 ){ removeElementGivenHash(pH,elem,h); }else{ elem->data = data; elem->pKey = pKey; } ................................................................................ /* 62 */ "Variable" OpHelp("r[P2]=parameter(P1,P4)"), /* 63 */ "Move" OpHelp("r[P2@P3]=r[P1@P3]"), /* 64 */ "Copy" OpHelp("r[P2@P3+1]=r[P1@P3+1]"), /* 65 */ "SCopy" OpHelp("r[P2]=r[P1]"), /* 66 */ "IntCopy" OpHelp("r[P2]=r[P1]"), /* 67 */ "ResultRow" OpHelp("output=r[P1@P2]"), /* 68 */ "CollSeq" OpHelp(""), /* 69 */ "Function0" OpHelp("r[P3]=func(r[P2@P5])"), /* 70 */ "Or" OpHelp("r[P3]=(r[P1] || r[P2])"), /* 71 */ "And" OpHelp("r[P3]=(r[P1] && r[P2])"), /* 72 */ "Function" OpHelp("r[P3]=func(r[P2@P5])"), /* 73 */ "AddImm" OpHelp("r[P1]=r[P1]+P2"), /* 74 */ "RealAffinity" OpHelp(""), /* 75 */ "IsNull" OpHelp("if r[P1]==NULL goto P2"), /* 76 */ "NotNull" OpHelp("if r[P1]!=NULL goto P2"), /* 77 */ "Ne" OpHelp("IF r[P3]!=r[P1]"), /* 78 */ "Eq" OpHelp("IF r[P3]==r[P1]"), /* 79 */ "Gt" OpHelp("IF r[P3]>r[P1]"), /* 80 */ "Le" OpHelp("IF r[P3]<=r[P1]"), /* 81 */ "Lt" OpHelp("IF r[P3]<r[P1]"), ................................................................................ /* 87 */ "ShiftRight" OpHelp("r[P3]=r[P2]>>r[P1]"), /* 88 */ "Add" OpHelp("r[P3]=r[P1]+r[P2]"), /* 89 */ "Subtract" OpHelp("r[P3]=r[P2]-r[P1]"), /* 90 */ "Multiply" OpHelp("r[P3]=r[P1]*r[P2]"), /* 91 */ "Divide" OpHelp("r[P3]=r[P2]/r[P1]"), /* 92 */ "Remainder" OpHelp("r[P3]=r[P2]%r[P1]"), /* 93 */ "Concat" OpHelp("r[P3]=r[P2]+r[P1]"), /* 94 */ "Cast" OpHelp("affinity(r[P1])"), /* 95 */ "BitNot" OpHelp("r[P1]= ~r[P1]"), /* 96 */ "Permutation" OpHelp(""), /* 97 */ "String8" OpHelp("r[P2]='P4'"), /* 98 */ "Compare" OpHelp("r[P1@P3] <-> r[P2@P3]"), /* 99 */ "Column" OpHelp("r[P3]=PX"), /* 100 */ "Affinity" OpHelp("affinity(r[P1@P2])"), /* 101 */ "MakeRecord" OpHelp("r[P3]=mkrec(r[P1@P2])"), /* 102 */ "Count" OpHelp("r[P2]=count()"), /* 103 */ "ReadCookie" OpHelp(""), /* 104 */ "SetCookie" OpHelp(""), /* 105 */ "ReopenIdx" OpHelp("root=P2 iDb=P3"), /* 106 */ "OpenRead" OpHelp("root=P2 iDb=P3"), /* 107 */ "OpenWrite" OpHelp("root=P2 iDb=P3"), /* 108 */ "OpenDup" OpHelp(""), /* 109 */ "OpenAutoindex" OpHelp("nColumn=P2"), /* 110 */ "OpenEphemeral" OpHelp("nColumn=P2"), /* 111 */ "SorterOpen" OpHelp(""), /* 112 */ "SequenceTest" OpHelp("if( cursor[P1].ctr++ ) pc = P2"), /* 113 */ "OpenPseudo" OpHelp("P3 columns in r[P2]"), /* 114 */ "Close" OpHelp(""), /* 115 */ "ColumnsUsed" OpHelp(""), /* 116 */ "Sequence" OpHelp("r[P2]=cursor[P1].ctr++"), /* 117 */ "NewRowid" OpHelp("r[P2]=rowid"), /* 118 */ "Insert" OpHelp("intkey=r[P3] data=r[P2]"), /* 119 */ "InsertInt" OpHelp("intkey=P3 data=r[P2]"), /* 120 */ "Delete" OpHelp(""), /* 121 */ "ResetCount" OpHelp(""), /* 122 */ "SorterCompare" OpHelp("if key(P1)!=trim(r[P3],P4) goto P2"), /* 123 */ "SorterData" OpHelp("r[P2]=data"), /* 124 */ "RowData" OpHelp("r[P2]=data"), /* 125 */ "Rowid" OpHelp("r[P2]=rowid"), /* 126 */ "NullRow" OpHelp(""), /* 127 */ "SorterInsert" OpHelp("key=r[P2]"), /* 128 */ "IdxInsert" OpHelp("key=r[P2]"), /* 129 */ "IdxDelete" OpHelp("key=r[P2@P3]"), /* 130 */ "Seek" OpHelp("Move P3 to P1.rowid"), /* 131 */ "IdxRowid" OpHelp("r[P2]=rowid"), /* 132 */ "Real" OpHelp("r[P2]=P4"), /* 133 */ "Destroy" OpHelp(""), /* 134 */ "Clear" OpHelp(""), /* 135 */ "ResetSorter" OpHelp(""), /* 136 */ "CreateIndex" OpHelp("r[P2]=root iDb=P1"), /* 137 */ "CreateTable" OpHelp("r[P2]=root iDb=P1"), /* 138 */ "SqlExec" OpHelp(""), /* 139 */ "ParseSchema" OpHelp(""), /* 140 */ "LoadAnalysis" OpHelp(""), /* 141 */ "DropTable" OpHelp(""), /* 142 */ "DropIndex" OpHelp(""), /* 143 */ "DropTrigger" OpHelp(""), /* 144 */ "IntegrityCk" OpHelp(""), /* 145 */ "RowSetAdd" OpHelp("rowset(P1)=r[P2]"), /* 146 */ "Param" OpHelp(""), /* 147 */ "FkCounter" OpHelp("fkctr[P1]+=P2"), /* 148 */ "MemMax" OpHelp("r[P1]=max(r[P1],r[P2])"), /* 149 */ "OffsetLimit" OpHelp("if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1)"), /* 150 */ "AggStep0" OpHelp("accum=r[P3] step(r[P2@P5])"), /* 151 */ "AggStep" OpHelp("accum=r[P3] step(r[P2@P5])"), /* 152 */ "AggFinal" OpHelp("accum=r[P1] N=P2"), /* 153 */ "Expire" OpHelp(""), /* 154 */ "TableLock" OpHelp("iDb=P1 root=P2 write=P3"), /* 155 */ "VBegin" OpHelp(""), /* 156 */ "VCreate" OpHelp(""), /* 157 */ "VDestroy" OpHelp(""), /* 158 */ "VOpen" OpHelp(""), /* 159 */ "VColumn" OpHelp("r[P3]=vcolumn(P2)"), /* 160 */ "VRename" OpHelp(""), /* 161 */ "Pagecount" OpHelp(""), /* 162 */ "MaxPgcnt" OpHelp(""), /* 163 */ "CursorHint" OpHelp(""), /* 164 */ "Noop" OpHelp(""), /* 165 */ "Explain" OpHelp(""), }; return azName[i]; } #endif /************** End of opcodes.c *********************************************/ /************** Begin file os_unix.c *****************************************/ ................................................................................ assert( pPager->eState==PAGER_OPEN ); assert( pPager->eLock>=SHARED_LOCK ); assert( isOpen(pPager->fd) ); assert( pPager->tempFile==0 ); nPage = sqlite3WalDbsize(pPager->pWal); /* If the number of pages in the database is not available from the ** WAL sub-system, determine the page counte based on the size of ** the database file. If the size of the database file is not an ** integer multiple of the page-size, round up the result. */ if( nPage==0 && ALWAYS(isOpen(pPager->fd)) ){ i64 n = 0; /* Size of db file in bytes */ int rc = sqlite3OsFileSize(pPager->fd, &n); if( rc!=SQLITE_OK ){ ................................................................................ static int pagerOpenWalIfPresent(Pager *pPager){ int rc = SQLITE_OK; assert( pPager->eState==PAGER_OPEN ); assert( pPager->eLock>=SHARED_LOCK ); if( !pPager->tempFile ){ int isWal; /* True if WAL file exists */ Pgno nPage; /* Size of the database file */ rc = pagerPagecount(pPager, &nPage); if( rc ) return rc; if( nPage==0 ){ rc = sqlite3OsDelete(pPager->pVfs, pPager->zWal, 0); if( rc==SQLITE_IOERR_DELETE_NOENT ) rc = SQLITE_OK; isWal = 0; }else{ rc = sqlite3OsAccess( pPager->pVfs, pPager->zWal, SQLITE_ACCESS_EXISTS, &isWal ); } if( rc==SQLITE_OK ){ if( isWal ){ testcase( sqlite3PcachePagecount(pPager->pPCache)==0 ); rc = sqlite3PagerOpenWal(pPager, 0); }else if( pPager->journalMode==PAGER_JOURNALMODE_WAL ){ pPager->journalMode = PAGER_JOURNALMODE_DELETE; } } } return rc; } ................................................................................ ** other bytes change randomly with each file change when ** a codec is in use. ** ** There is a vanishingly small chance that a change will not be ** detected. The chance of an undetected change is so small that ** it can be neglected. */ Pgno nPage = 0; char dbFileVers[sizeof(pPager->dbFileVers)]; rc = pagerPagecount(pPager, &nPage); if( rc ) goto failed; if( nPage>0 ){ IOTRACE(("CKVERS %p %d\n", pPager, sizeof(dbFileVers))); rc = sqlite3OsRead(pPager->fd, &dbFileVers, sizeof(dbFileVers), 24); if( rc!=SQLITE_OK && rc!=SQLITE_IOERR_SHORT_READ ){ goto failed; } }else{ memset(dbFileVers, 0, sizeof(dbFileVers)); } if( memcmp(pPager->dbFileVers, dbFileVers, sizeof(dbFileVers))!=0 ){ pager_reset(pPager); /* Unmap the database file. It is possible that external processes ................................................................................ /* ** Allowed values for BtShared.btsFlags */ #define BTS_READ_ONLY 0x0001 /* Underlying file is readonly */ #define BTS_PAGESIZE_FIXED 0x0002 /* Page size can no longer be changed */ #define BTS_SECURE_DELETE 0x0004 /* PRAGMA secure_delete is enabled */ #define BTS_INITIALLY_EMPTY 0x0008 /* Database was empty at trans start */ #define BTS_NO_WAL 0x0010 /* Do not open write-ahead-log files */ #define BTS_EXCLUSIVE 0x0020 /* pWriter has an exclusive lock */ #define BTS_PENDING 0x0040 /* Waiting for read-locks to clear */ /* ** An instance of the following structure is used to hold information ** about a cell. The parseCellPtr() function fills in this structure ** based on information extract from the raw disk page. */ struct CellInfo { ................................................................................ BtLock *pLock; /* If this database is not shareable, or if the client is reading ** and has the read-uncommitted flag set, then no lock is required. ** Return true immediately. */ if( (pBtree->sharable==0) || (eLockType==READ_LOCK && (pBtree->db->flags & SQLITE_ReadUncommitted)) ){ return 1; } /* If the client is reading or writing an index and the schema is ** not loaded, then it is too difficult to actually check to see if ** the correct locks are held. So do not bother - just return true. ................................................................................ ** assert( !hasReadConflicts(pBtree, iRoot) ); */ static int hasReadConflicts(Btree *pBtree, Pgno iRoot){ BtCursor *p; for(p=pBtree->pBt->pCursor; p; p=p->pNext){ if( p->pgnoRoot==iRoot && p->pBtree!=pBtree && 0==(p->pBtree->db->flags & SQLITE_ReadUncommitted) ){ return 1; } } return 0; } #endif /* #ifdef SQLITE_DEBUG */ ................................................................................ static int querySharedCacheTableLock(Btree *p, Pgno iTab, u8 eLock){ BtShared *pBt = p->pBt; BtLock *pIter; assert( sqlite3BtreeHoldsMutex(p) ); assert( eLock==READ_LOCK || eLock==WRITE_LOCK ); assert( p->db!=0 ); assert( !(p->db->flags&SQLITE_ReadUncommitted)||eLock==WRITE_LOCK||iTab==1 ); /* If requesting a write-lock, then the Btree must have an open write ** transaction on this file. And, obviously, for this to be so there ** must be an open write transaction on the file itself. */ assert( eLock==READ_LOCK || (p==pBt->pWriter && p->inTrans==TRANS_WRITE) ); assert( eLock==READ_LOCK || pBt->inTransaction==TRANS_WRITE ); ................................................................................ assert( eLock==READ_LOCK || eLock==WRITE_LOCK ); assert( p->db!=0 ); /* A connection with the read-uncommitted flag set will never try to ** obtain a read-lock using this function. The only read-lock obtained ** by a connection in read-uncommitted mode is on the sqlite_master ** table, and that lock is obtained in BtreeBeginTrans(). */ assert( 0==(p->db->flags&SQLITE_ReadUncommitted) || eLock==WRITE_LOCK ); /* This function should only be called on a sharable b-tree after it ** has been determined that no other b-tree holds a conflicting lock. */ assert( p->sharable ); assert( SQLITE_OK==querySharedCacheTableLock(p, iTable, eLock) ); /* First search the list for an existing lock on this table. */ ................................................................................ if( pKey ){ assert( nKey==(i64)(int)nKey ); pIdxKey = sqlite3VdbeAllocUnpackedRecord(pCur->pKeyInfo); if( pIdxKey==0 ) return SQLITE_NOMEM_BKPT; sqlite3VdbeRecordUnpack(pCur->pKeyInfo, (int)nKey, pKey, pIdxKey); if( pIdxKey->nField==0 ){ rc = SQLITE_CORRUPT_BKPT; goto moveto_done; } }else{ pIdxKey = 0; } rc = sqlite3BtreeMovetoUnpacked(pCur, pIdxKey, nKey, bias, pRes); moveto_done: ................................................................................ } assert( offset <= (int)pBt->usableSize-5 ); assert( pEType!=0 ); *pEType = pPtrmap[offset]; if( pPgno ) *pPgno = get4byte(&pPtrmap[offset+1]); sqlite3PagerUnref(pDbPage); if( *pEType<1 || *pEType>5 ) return SQLITE_CORRUPT_BKPT; return SQLITE_OK; } #else /* if defined SQLITE_OMIT_AUTOVACUUM */ #define ptrmapPut(w,x,y,z,rc) #define ptrmapGet(w,x,y,z) SQLITE_OK #define ptrmapPutOvflPtr(x, y, rc) ................................................................................ if( 0==iFree2 || (data[iFree2]==0 && data[iFree2+1]==0) ){ u8 *pEnd = &data[cellOffset + nCell*2]; u8 *pAddr; int sz2 = 0; int sz = get2byte(&data[iFree+2]); int top = get2byte(&data[hdr+5]); if( iFree2 ){ if( iFree+sz>iFree2 ) return SQLITE_CORRUPT_BKPT; sz2 = get2byte(&data[iFree2+2]); assert( iFree+sz+sz2+iFree2-(iFree+sz) <= usableSize ); memmove(&data[iFree+sz+sz2], &data[iFree+sz], iFree2-(iFree+sz)); sz += sz2; } cbrk = top+sz; assert( cbrk+(iFree-top) <= usableSize ); ................................................................................ pc = get2byte(pAddr); testcase( pc==iCellFirst ); testcase( pc==iCellLast ); /* These conditions have already been verified in btreeInitPage() ** if PRAGMA cell_size_check=ON. */ if( pc<iCellFirst || pc>iCellLast ){ return SQLITE_CORRUPT_BKPT; } assert( pc>=iCellFirst && pc<=iCellLast ); size = pPage->xCellSize(pPage, &src[pc]); cbrk -= size; if( cbrk<iCellFirst || pc+size>usableSize ){ return SQLITE_CORRUPT_BKPT; } assert( cbrk+size<=usableSize && cbrk>=iCellFirst ); testcase( cbrk+size==usableSize ); testcase( pc+size==usableSize ); put2byte(pAddr, cbrk); if( temp==0 ){ int x; ................................................................................ } memcpy(&data[cbrk], &src[pc], size); } data[hdr+7] = 0; defragment_out: if( data[hdr+7]+cbrk-iCellFirst!=pPage->nFree ){ return SQLITE_CORRUPT_BKPT; } assert( cbrk>=iCellFirst ); put2byte(&data[hdr+5], cbrk); data[hdr+1] = 0; data[hdr+2] = 0; memset(&data[iCellFirst], 0, cbrk-iCellFirst); assert( sqlite3PagerIswriteable(pPage->pDbPage) ); ................................................................................ assert( pc>0 ); do{ int size; /* Size of the free slot */ /* EVIDENCE-OF: R-06866-39125 Freeblocks are always connected in order of ** increasing offset. */ if( pc>usableSize-4 || pc<iAddr+4 ){ *pRc = SQLITE_CORRUPT_BKPT; return 0; } /* EVIDENCE-OF: R-22710-53328 The third and fourth bytes of each ** freeblock form a big-endian integer which is the size of the freeblock ** in bytes, including the 4-byte header. */ size = get2byte(&aData[pc+2]); if( (x = size - nByte)>=0 ){ testcase( x==4 ); testcase( x==3 ); if( pc < pPg->cellOffset+2*pPg->nCell || size+pc > usableSize ){ *pRc = SQLITE_CORRUPT_BKPT; return 0; }else if( x<4 ){ /* EVIDENCE-OF: R-11498-58022 In a well-formed b-tree page, the total ** number of bytes in fragments may not exceed 60. */ if( aData[hdr+7]>57 ) return 0; /* Remove the slot from the free-list. Update the number of ................................................................................ ** integer, so a value of 0 is used in its place. */ top = get2byte(&data[hdr+5]); assert( top<=(int)pPage->pBt->usableSize ); /* Prevent by getAndInitPage() */ if( gap>top ){ if( top==0 && pPage->pBt->usableSize==65536 ){ top = 65536; }else{ return SQLITE_CORRUPT_BKPT; } } /* If there is enough space between gap and top for one more cell pointer ** array entry offset, and if the freelist is not empty, then search the ** freelist looking for a free slot big enough to satisfy the request. */ ................................................................................ assert( CORRUPT_DB || iEnd <= pPage->pBt->usableSize ); assert( sqlite3_mutex_held(pPage->pBt->mutex) ); assert( iSize>=4 ); /* Minimum cell size is 4 */ assert( iStart<=iLast ); /* Overwrite deleted information with zeros when the secure_delete ** option is enabled */ if( pPage->pBt->btsFlags & BTS_SECURE_DELETE ){ memset(&data[iStart], 0, iSize); } /* The list of freeblocks must be in ascending order. Find the ** spot on the list where iStart should be inserted. */ hdr = pPage->hdrOffset; ................................................................................ iPtr = hdr + 1; if( data[iPtr+1]==0 && data[iPtr]==0 ){ iFreeBlk = 0; /* Shortcut for the case when the freelist is empty */ }else{ while( (iFreeBlk = get2byte(&data[iPtr]))<iStart ){ if( iFreeBlk<iPtr+4 ){ if( iFreeBlk==0 ) break; return SQLITE_CORRUPT_BKPT; } iPtr = iFreeBlk; } if( iFreeBlk>iLast ) return SQLITE_CORRUPT_BKPT; assert( iFreeBlk>iPtr || iFreeBlk==0 ); /* At this point: ** iFreeBlk: First freeblock after iStart, or zero if none ** iPtr: The address of a pointer to iFreeBlk ** ** Check to see if iFreeBlk should be coalesced onto the end of iStart. */ if( iFreeBlk && iEnd+3>=iFreeBlk ){ nFrag = iFreeBlk - iEnd; if( iEnd>iFreeBlk ) return SQLITE_CORRUPT_BKPT; iEnd = iFreeBlk + get2byte(&data[iFreeBlk+2]); if( iEnd > pPage->pBt->usableSize ) return SQLITE_CORRUPT_BKPT; iSize = iEnd - iStart; iFreeBlk = get2byte(&data[iFreeBlk]); } /* If iPtr is another freeblock (that is, if iPtr is not the freelist ** pointer in the page header) then check to see if iStart should be ** coalesced onto the end of iPtr. */ if( iPtr>hdr+1 ){ int iPtrEnd = iPtr + get2byte(&data[iPtr+2]); if( iPtrEnd+3>=iStart ){ if( iPtrEnd>iStart ) return SQLITE_CORRUPT_BKPT; nFrag += iStart - iPtrEnd; iSize = iEnd - iPtr; iStart = iPtr; } } if( nFrag>data[hdr+7] ) return SQLITE_CORRUPT_BKPT; data[hdr+7] -= nFrag; } if( iStart==get2byte(&data[hdr+5]) ){ /* The new freeblock is at the beginning of the cell content area, ** so just extend the cell content area rather than create another ** freelist entry */ if( iPtr!=hdr+1 ) return SQLITE_CORRUPT_BKPT; put2byte(&data[hdr+1], iFreeBlk); put2byte(&data[hdr+5], iEnd); }else{ /* Insert the new freeblock into the freelist */ put2byte(&data[iPtr], iStart); put2byte(&data[iStart], iFreeBlk); put2byte(&data[iStart+2], iSize); ................................................................................ pPage->intKeyLeaf = 0; pPage->xParseCell = btreeParseCellPtrIndex; pPage->maxLocal = pBt->maxLocal; pPage->minLocal = pBt->minLocal; }else{ /* EVIDENCE-OF: R-47608-56469 Any other value for the b-tree page type is ** an error. */ return SQLITE_CORRUPT_BKPT; } pPage->max1bytePayload = pBt->max1bytePayload; return SQLITE_OK; } /* ** Initialize the auxiliary information for a disk block. ................................................................................ ** Return SQLITE_OK on success. If we see that the page does ** not contain a well-formed database page, then return ** SQLITE_CORRUPT. Note that a return of SQLITE_OK does not ** guarantee that the page is well-formed. It only shows that ** we failed to detect any corruption. */ static int btreeInitPage(MemPage *pPage){ assert( pPage->pBt!=0 ); assert( pPage->pBt->db!=0 ); assert( sqlite3_mutex_held(pPage->pBt->mutex) ); assert( pPage->pgno==sqlite3PagerPagenumber(pPage->pDbPage) ); assert( pPage == sqlite3PagerGetExtra(pPage->pDbPage) ); assert( pPage->aData == sqlite3PagerGetData(pPage->pDbPage) ); if( !pPage->isInit ){ int pc; /* Address of a freeblock within pPage->aData[] */ u8 hdr; /* Offset to beginning of page header */ u8 *data; /* Equal to pPage->aData */ BtShared *pBt; /* The main btree structure */ int usableSize; /* Amount of usable space on each page */ u16 cellOffset; /* Offset from start of page to first cell pointer */ int nFree; /* Number of unused bytes on the page */ int top; /* First byte of the cell content area */ int iCellFirst; /* First allowable cell or freeblock offset */ int iCellLast; /* Last possible cell or freeblock offset */ pBt = pPage->pBt; hdr = pPage->hdrOffset; data = pPage->aData; /* EVIDENCE-OF: R-28594-02890 The one-byte flag at offset 0 indicating ** the b-tree page type. */ if( decodeFlags(pPage, data[hdr]) ) return SQLITE_CORRUPT_BKPT; assert( pBt->pageSize>=512 && pBt->pageSize<=65536 ); pPage->maskPage = (u16)(pBt->pageSize - 1); pPage->nOverflow = 0; usableSize = pBt->usableSize; pPage->cellOffset = cellOffset = hdr + 8 + pPage->childPtrSize; pPage->aDataEnd = &data[usableSize]; pPage->aCellIdx = &data[cellOffset]; pPage->aDataOfst = &data[pPage->childPtrSize]; /* EVIDENCE-OF: R-58015-48175 The two-byte integer at offset 5 designates ** the start of the cell content area. A zero value for this integer is ** interpreted as 65536. */ top = get2byteNotZero(&data[hdr+5]); /* EVIDENCE-OF: R-37002-32774 The two-byte integer at offset 3 gives the ** number of cells on the page. */ pPage->nCell = get2byte(&data[hdr+3]); if( pPage->nCell>MX_CELL(pBt) ){ /* To many cells for a single page. The page must be corrupt */ return SQLITE_CORRUPT_BKPT; } testcase( pPage->nCell==MX_CELL(pBt) ); /* EVIDENCE-OF: R-24089-57979 If a page contains no cells (which is only ** possible for a root page of a table that contains no rows) then the ** offset to the cell content area will equal the page size minus the ** bytes of reserved space. */ assert( pPage->nCell>0 || top==usableSize || CORRUPT_DB ); /* A malformed database page might cause us to read past the end ** of page when parsing a cell. ** ** The following block of code checks early to see if a cell extends ** past the end of a page boundary and causes SQLITE_CORRUPT to be ** returned if it does. */ iCellFirst = cellOffset + 2*pPage->nCell; iCellLast = usableSize - 4; if( pBt->db->flags & SQLITE_CellSizeCk ){ int i; /* Index into the cell pointer array */ int sz; /* Size of a cell */ if( !pPage->leaf ) iCellLast--; for(i=0; i<pPage->nCell; i++){ pc = get2byteAligned(&data[cellOffset+i*2]); testcase( pc==iCellFirst ); testcase( pc==iCellLast ); if( pc<iCellFirst || pc>iCellLast ){ return SQLITE_CORRUPT_BKPT; } sz = pPage->xCellSize(pPage, &data[pc]); testcase( pc+sz==usableSize ); if( pc+sz>usableSize ){ return SQLITE_CORRUPT_BKPT; } } if( !pPage->leaf ) iCellLast++; } /* Compute the total free space on the page ** EVIDENCE-OF: R-23588-34450 The two-byte integer at offset 1 gives the ** start of the first freeblock on the page, or is zero if there are no ** freeblocks. */ pc = get2byte(&data[hdr+1]); nFree = data[hdr+7] + top; /* Init nFree to non-freeblock free space */ if( pc>0 ){ u32 next, size; if( pc<iCellFirst ){ /* EVIDENCE-OF: R-55530-52930 In a well-formed b-tree page, there will ** always be at least one cell before the first freeblock. */ return SQLITE_CORRUPT_BKPT; } while( 1 ){ if( pc>iCellLast ){ return SQLITE_CORRUPT_BKPT; /* Freeblock off the end of the page */ } next = get2byte(&data[pc]); size = get2byte(&data[pc+2]); nFree = nFree + size; if( next<=pc+size+3 ) break; pc = next; } if( next>0 ){ return SQLITE_CORRUPT_BKPT; /* Freeblock not in ascending order */ } if( pc+size>(unsigned int)usableSize ){ return SQLITE_CORRUPT_BKPT; /* Last freeblock extends past page end */ } } /* At this point, nFree contains the sum of the offset to the start ** of the cell-content area plus the number of free bytes within ** the cell-content area. If this is greater than the usable-size ** of the page, then the page must be corrupted. This check also ** serves to verify that the offset to the start of the cell-content ** area, according to the page header, lies within the page. */ if( nFree>usableSize ){ return SQLITE_CORRUPT_BKPT; } pPage->nFree = (u16)(nFree - iCellFirst); pPage->isInit = 1; } return SQLITE_OK; } /* ** Set up a raw page so that it looks like a database page holding ** no entries. */ ................................................................................ u16 first; assert( sqlite3PagerPagenumber(pPage->pDbPage)==pPage->pgno ); assert( sqlite3PagerGetExtra(pPage->pDbPage) == (void*)pPage ); assert( sqlite3PagerGetData(pPage->pDbPage) == data ); assert( sqlite3PagerIswriteable(pPage->pDbPage) ); assert( sqlite3_mutex_held(pBt->mutex) ); if( pBt->btsFlags & BTS_SECURE_DELETE ){ memset(&data[hdr], 0, pBt->usableSize - hdr); } data[hdr] = (char)flags; first = hdr + ((flags&PTF_LEAF)==0 ? 12 : 8); memset(&data[hdr+1], 0, 4); data[hdr+7] = 0; put2byte(&data[hdr+5], pBt->usableSize); ................................................................................ } assert( (*ppPage)->pgno==pgno ); assert( (*ppPage)->aData==sqlite3PagerGetData(pDbPage) ); /* If obtaining a child page for a cursor, we must verify that the page is ** compatible with the root page. */ if( pCur && ((*ppPage)->nCell<1 || (*ppPage)->intKey!=pCur->curIntKey) ){ rc = SQLITE_CORRUPT_BKPT; releasePage(*ppPage); goto getAndInitPage_error; } return SQLITE_OK; getAndInitPage_error: if( pCur ) pCur->iPage--; ................................................................................ pBt->db = db; sqlite3PagerSetBusyhandler(pBt->pPager, btreeInvokeBusyHandler, pBt); p->pBt = pBt; pBt->pCursor = 0; pBt->pPage1 = 0; if( sqlite3PagerIsreadonly(pBt->pPager) ) pBt->btsFlags |= BTS_READ_ONLY; #ifdef SQLITE_SECURE_DELETE pBt->btsFlags |= BTS_SECURE_DELETE; #endif /* EVIDENCE-OF: R-51873-39618 The page size for a database file is ** determined by the 2-byte integer located at an offset of 16 bytes from ** the beginning of the database file. */ pBt->pageSize = (zDbHeader[16]<<8) | (zDbHeader[17]<<16); if( pBt->pageSize<512 || pBt->pageSize>SQLITE_MAX_PAGE_SIZE || ((pBt->pageSize-1)&pBt->pageSize)!=0 ){ ................................................................................ sqlite3BtreeEnter(p); n = sqlite3PagerMaxPageCount(p->pBt->pPager, mxPage); sqlite3BtreeLeave(p); return n; } /* ** Set the BTS_SECURE_DELETE flag if newFlag is 0 or 1. If newFlag is -1, ** then make no changes. Always return the value of the BTS_SECURE_DELETE ** setting after the change. */ SQLITE_PRIVATE int sqlite3BtreeSecureDelete(Btree *p, int newFlag){ int b; if( p==0 ) return 0; sqlite3BtreeEnter(p); if( newFlag>=0 ){ p->pBt->btsFlags &= ~BTS_SECURE_DELETE; if( newFlag ) p->pBt->btsFlags |= BTS_SECURE_DELETE; } b = (p->pBt->btsFlags & BTS_SECURE_DELETE)!=0; sqlite3BtreeLeave(p); return b; } /* ** Change the 'auto-vacuum' property of the database. If the 'autoVacuum' ** parameter is non-zero, then auto-vacuum mode is enabled. If zero, it ................................................................................ pBt->usableSize = usableSize; pBt->pageSize = pageSize; freeTempSpace(pBt); rc = sqlite3PagerSetPagesize(pBt->pPager, &pBt->pageSize, pageSize-usableSize); return rc; } if( (pBt->db->flags & SQLITE_RecoveryMode)==0 && nPage>nPageFile ){ rc = SQLITE_CORRUPT_BKPT; goto page1_init_failed; } /* EVIDENCE-OF: R-28312-64704 However, the usable size is not allowed to ** be less than 480. In other words, if the page size is 512, then the ** reserved space size cannot exceed 32. */ if( usableSize<480 ){ ................................................................................ int i; /* Counter variable */ int nCell; /* Number of cells in page pPage */ int rc; /* Return code */ BtShared *pBt = pPage->pBt; Pgno pgno = pPage->pgno; assert( sqlite3_mutex_held(pPage->pBt->mutex) ); rc = btreeInitPage(pPage); if( rc!=SQLITE_OK ) return rc; nCell = pPage->nCell; for(i=0; i<nCell; i++){ u8 *pCell = findCell(pPage, i); ptrmapPutOvflPtr(pPage, pCell, &rc); ................................................................................ */ static int modifyPagePointer(MemPage *pPage, Pgno iFrom, Pgno iTo, u8 eType){ assert( sqlite3_mutex_held(pPage->pBt->mutex) ); assert( sqlite3PagerIswriteable(pPage->pDbPage) ); if( eType==PTRMAP_OVERFLOW2 ){ /* The pointer is always the first 4 bytes of the page in this case. */ if( get4byte(pPage->aData)!=iFrom ){ return SQLITE_CORRUPT_BKPT; } put4byte(pPage->aData, iTo); }else{ int i; int nCell; int rc; rc = btreeInitPage(pPage); if( rc ) return rc; nCell = pPage->nCell; for(i=0; i<nCell; i++){ u8 *pCell = findCell(pPage, i); if( eType==PTRMAP_OVERFLOW1 ){ CellInfo info; pPage->xParseCell(pPage, pCell, &info); if( info.nLocal<info.nPayload ){ if( pCell+info.nSize > pPage->aData+pPage->pBt->usableSize ){ return SQLITE_CORRUPT_BKPT; } if( iFrom==get4byte(pCell+info.nSize-4) ){ put4byte(pCell+info.nSize-4, iTo); break; } } }else{ ................................................................................ } } } if( i==nCell ){ if( eType!=PTRMAP_BTREE || get4byte(&pPage->aData[pPage->hdrOffset+8])!=iFrom ){ return SQLITE_CORRUPT_BKPT; } put4byte(&pPage->aData[pPage->hdrOffset+8], iTo); } } return SQLITE_OK; } ................................................................................ assert( aPayload > pPage->aData ); if( (uptr)(aPayload - pPage->aData) > (pBt->usableSize - pCur->info.nLocal) ){ /* Trying to read or write past the end of the data is an error. The ** conditional above is really: ** &aPayload[pCur->info.nLocal] > &pPage->aData[pBt->usableSize] ** but is recast into its current form to avoid integer overflow problems */ return SQLITE_CORRUPT_BKPT; } /* Check if data must be read/written to/from the btree page itself. */ if( offset<pCur->info.nLocal ){ int a = amt; if( a+offset>pCur->info.nLocal ){ a = pCur->info.nLocal - offset; ................................................................................ } if( rc ) break; iIdx++; } } if( rc==SQLITE_OK && amt>0 ){ return SQLITE_CORRUPT_BKPT; /* Overflow chain ends prematurely */ } return rc; } /* ** Read part of the payload for the row at which that cursor pCur is currently ** pointing. "amt" bytes will be transferred into pBuf[]. The transfer ................................................................................ ** Earlier versions of SQLite assumed that this test could not fail ** if the root page was already loaded when this function was called (i.e. ** if pCur->iPage>=0). But this is not so if the database is corrupted ** in such a way that page pRoot is linked into a second b-tree table ** (or the freelist). */ assert( pRoot->intKey==1 || pRoot->intKey==0 ); if( pRoot->isInit==0 || (pCur->pKeyInfo==0)!=pRoot->intKey ){ return SQLITE_CORRUPT_BKPT; } skip_init: pCur->ix = 0; pCur->info.nSize = 0; pCur->curFlags &= ~(BTCF_AtLast|BTCF_ValidNKey|BTCF_ValidOvfl); ................................................................................ if( (pCur->curFlags & BTCF_AtLast)!=0 ){ *pRes = -1; return SQLITE_OK; } /* If the requested key is one more than the previous key, then ** try to get there using sqlite3BtreeNext() rather than a full ** binary search. This is an optimization only. The correct answer ** is still obtained without this ase, only a little more slowely */ if( pCur->info.nKey+1==intKey && !pCur->skipNext ){ *pRes = 0; rc = sqlite3BtreeNext(pCur, pRes); if( rc ) return rc; if( *pRes==0 ){ getCellInfo(pCur); if( pCur->info.nKey==intKey ){ return SQLITE_OK; } } } } } if( pIdxKey ){ xRecordCompare = sqlite3VdbeFindCompare(pIdxKey); ................................................................................ pCur->ix = (u16)idx; if( xRecordCompare==0 ){ for(;;){ i64 nCellKey; pCell = findCellPastPtr(pPage, idx); if( pPage->intKeyLeaf ){ while( 0x80 <= *(pCell++) ){ if( pCell>=pPage->aDataEnd ) return SQLITE_CORRUPT_BKPT; } } getVarint(pCell, (u64*)&nCellKey); if( nCellKey<intKey ){ lwr = idx+1; if( lwr>upr ){ c = -1; break; } }else if( nCellKey>intKey ){ ................................................................................ pPage->xParseCell(pPage, pCellBody, &pCur->info); nCell = (int)pCur->info.nKey; testcase( nCell<0 ); /* True if key size is 2^32 or more */ testcase( nCell==0 ); /* Invalid key size: 0x80 0x80 0x00 */ testcase( nCell==1 ); /* Invalid key size: 0x80 0x80 0x01 */ testcase( nCell==2 ); /* Minimum legal index key size */ if( nCell<2 ){ rc = SQLITE_CORRUPT_BKPT; goto moveto_finish; } pCellKey = sqlite3Malloc( nCell+18 ); if( pCellKey==0 ){ rc = SQLITE_NOMEM_BKPT; goto moveto_finish; } ................................................................................ for(n=1, i=0; i<=pCur->iPage; i++){ n *= pCur->apPage[i]->nCell; } return n; } /* ** Advance the cursor to the next entry in the database. If ** successful then set *pRes=0. If the cursor ** was already pointing to the last entry in the database before ** this routine was called, then set *pRes=1. ** ** The main entry point is sqlite3BtreeNext(). That routine is optimized ** for the common case of merely incrementing the cell counter BtCursor.aiIdx ** to the next cell on the current page. The (slower) btreeNext() helper ** routine is called when it is necessary to move to a different page or ** to restore the cursor. ** ** The calling function will set *pRes to 0 or 1. The initial *pRes value ** will be 1 if the cursor being stepped corresponds to an SQL index and ** if this routine could have been skipped if that SQL index had been ** a unique index. Otherwise the caller will have set *pRes to zero. ** Zero is the common case. The btree implementation is free to use the ** initial *pRes value as a hint to improve performance, but the current ** SQLite btree implementation does not. (Note that the comdb2 btree ** implementation does use this hint, however.) */ static SQLITE_NOINLINE int btreeNext(BtCursor *pCur, int *pRes){ int rc; int idx; MemPage *pPage; assert( cursorOwnsBtShared(pCur) ); assert( pCur->skipNext==0 || pCur->eState!=CURSOR_VALID ); assert( *pRes==0 ); if( pCur->eState!=CURSOR_VALID ){ assert( (pCur->curFlags & BTCF_ValidOvfl)==0 ); rc = restoreCursorPosition(pCur); if( rc!=SQLITE_OK ){ return rc; } if( CURSOR_INVALID==pCur->eState ){ *pRes = 1; return SQLITE_OK; } if( pCur->skipNext ){ assert( pCur->eState==CURSOR_VALID || pCur->eState==CURSOR_SKIPNEXT ); pCur->eState = CURSOR_VALID; if( pCur->skipNext>0 ){ pCur->skipNext = 0; return SQLITE_OK; ................................................................................ if( !pPage->leaf ){ rc = moveToChild(pCur, get4byte(&pPage->aData[pPage->hdrOffset+8])); if( rc ) return rc; return moveToLeftmost(pCur); } do{ if( pCur->iPage==0 ){ *pRes = 1; pCur->eState = CURSOR_INVALID; return SQLITE_OK; } moveToParent(pCur); pPage = pCur->apPage[pCur->iPage]; }while( pCur->ix>=pPage->nCell ); if( pPage->intKey ){ return sqlite3BtreeNext(pCur, pRes); }else{ return SQLITE_OK; } } if( pPage->leaf ){ return SQLITE_OK; }else{ return moveToLeftmost(pCur); } } SQLITE_PRIVATE int sqlite3BtreeNext(BtCursor *pCur, int *pRes){ MemPage *pPage; assert( cursorOwnsBtShared(pCur) ); assert( pRes!=0 ); assert( *pRes==0 || *pRes==1 ); assert( pCur->skipNext==0 || pCur->eState!=CURSOR_VALID ); pCur->info.nSize = 0; pCur->curFlags &= ~(BTCF_ValidNKey|BTCF_ValidOvfl); *pRes = 0; if( pCur->eState!=CURSOR_VALID ) return btreeNext(pCur, pRes); pPage = pCur->apPage[pCur->iPage]; if( (++pCur->ix)>=pPage->nCell ){ pCur->ix--; return btreeNext(pCur, pRes); } if( pPage->leaf ){ return SQLITE_OK; }else{ return moveToLeftmost(pCur); } } /* ** Step the cursor to the back to the previous entry in the database. If ** successful then set *pRes=0. If the cursor ** was already pointing to the first entry in the database before ** this routine was called, then set *pRes=1. ** ** The main entry point is sqlite3BtreePrevious(). That routine is optimized ** for the common case of merely decrementing the cell counter BtCursor.aiIdx ** to the previous cell on the current page. The (slower) btreePrevious() ** helper routine is called when it is necessary to move to a different page ** or to restore the cursor. ** ** The calling function will set *pRes to 0 or 1. The initial *pRes value ** will be 1 if the cursor being stepped corresponds to an SQL index and ** if this routine could have been skipped if that SQL index had been ** a unique index. Otherwise the caller will have set *pRes to zero. ** Zero is the common case. The btree implementation is free to use the ** initial *pRes value as a hint to improve performance, but the current ** SQLite btree implementation does not. (Note that the comdb2 btree ** implementation does use this hint, however.) */ static SQLITE_NOINLINE int btreePrevious(BtCursor *pCur, int *pRes){ int rc; MemPage *pPage; assert( cursorOwnsBtShared(pCur) ); assert( pRes!=0 ); assert( *pRes==0 ); assert( pCur->skipNext==0 || pCur->eState!=CURSOR_VALID ); assert( (pCur->curFlags & (BTCF_AtLast|BTCF_ValidOvfl|BTCF_ValidNKey))==0 ); assert( pCur->info.nSize==0 ); if( pCur->eState!=CURSOR_VALID ){ rc = restoreCursorPosition(pCur); if( rc!=SQLITE_OK ){ return rc; } if( CURSOR_INVALID==pCur->eState ){ *pRes = 1; return SQLITE_OK; } if( pCur->skipNext ){ assert( pCur->eState==CURSOR_VALID || pCur->eState==CURSOR_SKIPNEXT ); pCur->eState = CURSOR_VALID; if( pCur->skipNext<0 ){ pCur->skipNext = 0; return SQLITE_OK; ................................................................................ rc = moveToChild(pCur, get4byte(findCell(pPage, idx))); if( rc ) return rc; rc = moveToRightmost(pCur); }else{ while( pCur->ix==0 ){ if( pCur->iPage==0 ){ pCur->eState = CURSOR_INVALID; *pRes = 1; return SQLITE_OK; } moveToParent(pCur); } assert( pCur->info.nSize==0 ); assert( (pCur->curFlags & (BTCF_ValidOvfl))==0 ); pCur->ix--; pPage = pCur->apPage[pCur->iPage]; if( pPage->intKey && !pPage->leaf ){ rc = sqlite3BtreePrevious(pCur, pRes); }else{ rc = SQLITE_OK; } } return rc; } SQLITE_PRIVATE int sqlite3BtreePrevious(BtCursor *pCur, int *pRes){ assert( cursorOwnsBtShared(pCur) ); assert( pRes!=0 ); assert( *pRes==0 || *pRes==1 ); assert( pCur->skipNext==0 || pCur->eState!=CURSOR_VALID ); *pRes = 0; pCur->curFlags &= ~(BTCF_AtLast|BTCF_ValidOvfl|BTCF_ValidNKey); pCur->info.nSize = 0; if( pCur->eState!=CURSOR_VALID || pCur->ix==0 || pCur->apPage[pCur->iPage]->leaf==0 ){ return btreePrevious(pCur, pRes); } pCur->ix--; return SQLITE_OK; } /* ** Allocate a new page from the database file. ................................................................................ /* EVIDENCE-OF: R-59841-13798 The 4-byte big-endian integer at offset 32 ** stores the page number of the first page of the freelist, or zero if ** the freelist is empty. */ iTrunk = get4byte(&pPage1->aData[32]); } testcase( iTrunk==mxPage ); if( iTrunk>mxPage || nSearch++ > n ){ rc = SQLITE_CORRUPT_BKPT; }else{ rc = btreeGetUnusedPage(pBt, iTrunk, &pTrunk, 0); } if( rc ){ pTrunk = 0; goto end_allocate_page; } ................................................................................ *pPgno = iTrunk; memcpy(&pPage1->aData[32], &pTrunk->aData[0], 4); *ppPage = pTrunk; pTrunk = 0; TRACE(("ALLOCATE: %d trunk - %d free pages left\n", *pPgno, n-1)); }else if( k>(u32)(pBt->usableSize/4 - 2) ){ /* Value of k is out of range. Database corruption */ rc = SQLITE_CORRUPT_BKPT; goto end_allocate_page; #ifndef SQLITE_OMIT_AUTOVACUUM }else if( searchList && (nearby==iTrunk || (iTrunk<nearby && eMode==BTALLOC_LE)) ){ /* The list is being searched and this trunk page is the page ** to allocate, regardless of whether it has leaves. ................................................................................ /* The trunk page is required by the caller but it contains ** pointers to free-list leaves. The first leaf becomes a trunk ** page in this case. */ MemPage *pNewTrunk; Pgno iNewTrunk = get4byte(&pTrunk->aData[8]); if( iNewTrunk>mxPage ){ rc = SQLITE_CORRUPT_BKPT; goto end_allocate_page; } testcase( iNewTrunk==mxPage ); rc = btreeGetUnusedPage(pBt, iNewTrunk, &pNewTrunk, 0); if( rc!=SQLITE_OK ){ goto end_allocate_page; } ................................................................................ }else{ closest = 0; } iPage = get4byte(&aData[8+closest*4]); testcase( iPage==mxPage ); if( iPage>mxPage ){ rc = SQLITE_CORRUPT_BKPT; goto end_allocate_page; } testcase( iPage==mxPage ); if( !searchList || (iPage==nearby || (iPage<nearby && eMode==BTALLOC_LE)) ){ int noContent; ................................................................................ assert( sqlite3_mutex_held(pPage->pBt->mutex) ); pPage->xParseCell(pPage, pCell, pInfo); if( pInfo->nLocal==pInfo->nPayload ){ return SQLITE_OK; /* No overflow pages. Return without doing anything */ } if( pCell+pInfo->nSize-1 > pPage->aData+pPage->maskPage ){ return SQLITE_CORRUPT_BKPT; /* Cell extends past end of page */ } ovflPgno = get4byte(pCell + pInfo->nSize - 4); assert( pBt->usableSize > 4 ); ovflPageSize = pBt->usableSize - 4; nOvfl = (pInfo->nPayload - pInfo->nLocal + ovflPageSize - 1)/ovflPageSize; assert( nOvfl>0 || (CORRUPT_DB && (pInfo->nPayload + ovflPageSize)<ovflPageSize) ................................................................................ ** later on. ** ** But not if we are in secure-delete mode. In secure-delete mode, ** the dropCell() routine will overwrite the entire cell with zeroes. ** In this case, temporarily copy the cell into the aOvflSpace[] ** buffer. It will be copied out again as soon as the aSpace[] buffer ** is allocated. */ if( pBt->btsFlags & BTS_SECURE_DELETE ){ int iOff; iOff = SQLITE_PTR_TO_INT(apDiv[i]) - SQLITE_PTR_TO_INT(pParent->aData); if( (iOff+szNew[i])>(int)pBt->usableSize ){ rc = SQLITE_CORRUPT_BKPT; memset(apOld, 0, (i+1)*sizeof(MemPage*)); goto balance_cleanup; ................................................................................ ** the cursor to the largest entry in the tree that is smaller than ** the entry being deleted. This cell will replace the cell being deleted ** from the internal node. The 'previous' entry is used for this instead ** of the 'next' entry, as the previous entry is always a part of the ** sub-tree headed by the child page of the cell being deleted. This makes ** balancing the tree following the delete operation easier. */ if( !pPage->leaf ){ int notUsed = 0; rc = sqlite3BtreePrevious(pCur, ¬Used); if( rc ) return rc; } /* Save the positions of any other cursors open on this table before ** making any modifications. */ if( pCur->curFlags & BTCF_Multiple ){ rc = saveAllCursors(pBt, pCur->pgnoRoot, pCur); ................................................................................ ** Check invariants on a Mem object. ** ** This routine is intended for use inside of assert() statements, like ** this: assert( sqlite3VdbeCheckMemInvariants(pMem) ); */ SQLITE_PRIVATE int sqlite3VdbeCheckMemInvariants(Mem *p){ /* If MEM_Dyn is set then Mem.xDel!=0. ** Mem.xDel is might not be initialized if MEM_Dyn is clear. */ assert( (p->flags & MEM_Dyn)==0 || p->xDel!=0 ); /* MEM_Dyn may only be set if Mem.szMalloc==0. In this way we ** ensure that if Mem.szMalloc>0 then it is safe to do ** Mem.z = Mem.zMalloc without having to check Mem.flags&MEM_Dyn. ** That saves a few cycles in inner loops. */ assert( (p->flags & MEM_Dyn)==0 || p->szMalloc==0 ); /* Cannot be both MEM_Int and MEM_Real at the same time */ assert( (p->flags & (MEM_Int|MEM_Real))!=(MEM_Int|MEM_Real) ); /* Cannot be both MEM_Null and some other type */ assert( (p->flags & MEM_Null)==0 || (p->flags & (MEM_Int|MEM_Real|MEM_Str|MEM_Blob))==0 ); /* The szMalloc field holds the correct memory allocation size */ assert( p->szMalloc==0 || p->szMalloc==sqlite3DbMallocSize(p->db,p->zMalloc) ); /* If p holds a string or blob, the Mem.z must point to exactly ** one of the following: ................................................................................ if( VdbeMemDynamic(pMem) ){ vdbeReleaseAndSetInt64(pMem, val); }else{ pMem->u.i = val; pMem->flags = MEM_Int; } } #ifndef SQLITE_OMIT_FLOATING_POINT /* ** Delete any previous value and set the value stored in *pMem to val, ** manifest type REAL. */ SQLITE_PRIVATE void sqlite3VdbeMemSetDouble(Mem *pMem, double val){ ................................................................................ } if( pVal->flags & (MEM_Int|MEM_Real) ) pVal->flags &= ~MEM_Str; if( enc!=SQLITE_UTF8 ){ rc = sqlite3VdbeChangeEncoding(pVal, enc); } }else if( op==TK_UMINUS ) { /* This branch happens for multiple negative signs. Ex: -(-5) */ if( SQLITE_OK==sqlite3ValueFromExpr(db,pExpr->pLeft,enc,affinity,&pVal) && pVal!=0 ){ sqlite3VdbeMemNumerify(pVal); if( pVal->flags & MEM_Real ){ pVal->u.r = -pVal->u.r; }else if( pVal->u.i==SMALLEST_INT64 ){ pVal->u.r = -(double)SMALLEST_INT64; ................................................................................ int rc = SQLITE_OK; sqlite3_value *pVal = 0; sqlite3 *db = pParse->db; /* Skip over any TK_COLLATE nodes */ pExpr = sqlite3ExprSkipCollate(pExpr); if( !pExpr ){ pVal = valueNew(db, pAlloc); if( pVal ){ sqlite3VdbeMemSetNull((Mem*)pVal); } }else if( pExpr->op==TK_VARIABLE || NEVER(pExpr->op==TK_REGISTER && pExpr->op2==TK_VARIABLE) ){ Vdbe *v; int iBindVar = pExpr->iColumn; sqlite3VdbeSetVarmask(pParse->pVdbe, iBindVar); if( (v = pParse->pReprepare)!=0 ){ pVal = valueNew(db, pAlloc); if( pVal ){ rc = sqlite3VdbeMemCopy((Mem*)pVal, &v->aVar[iBindVar-1]); if( rc==SQLITE_OK ){ sqlite3ValueApplyAffinity(pVal, affinity, ENC(db)); } pVal->db = pParse->db; } } }else{ rc = valueFromExpr(db, pExpr, ENC(db), affinity, &pVal, pAlloc); } ................................................................................ p->zErrMsg = sqlite3VMPrintf(p->db, zFormat, ap); va_end(ap); } /* ** Remember the SQL string for a prepared statement. */ SQLITE_PRIVATE void sqlite3VdbeSetSql(Vdbe *p, const char *z, int n, int isPrepareV2){ assert( isPrepareV2==1 || isPrepareV2==0 ); if( p==0 ) return; if( !isPrepareV2 ) p->expmask = 0; #if defined(SQLITE_OMIT_TRACE) && !defined(SQLITE_ENABLE_SQLLOG) if( !isPrepareV2 ) return; #endif assert( p->zSql==0 ); p->zSql = sqlite3DbStrNDup(p->db, z, n); p->isPrepareV2 = (u8)isPrepareV2; } /* ** Swap all content between two VDBE structures. */ SQLITE_PRIVATE void sqlite3VdbeSwap(Vdbe *pA, Vdbe *pB){ Vdbe tmp, *pTmp; ................................................................................ pB->pNext = pTmp; pTmp = pA->pPrev; pA->pPrev = pB->pPrev; pB->pPrev = pTmp; zTmp = pA->zSql; pA->zSql = pB->zSql; pB->zSql = zTmp; pB->isPrepareV2 = pA->isPrepareV2; pB->expmask = pA->expmask; } /* ** Resize the Vdbe.aOp array so that it is at least nOp elements larger ** than its current size. nOp is guaranteed to be less than or equal ** to 1024/sizeof(Op). ** ................................................................................ /* ** Generate code that initializes multiple registers to string or integer ** constants. The registers begin with iDest and increase consecutively. ** One register is initialized for each characgter in zTypes[]. For each ** "s" character in zTypes[], the register is a string if the argument is ** not NULL, or OP_Null if the value is a null pointer. For each "i" character ** in zTypes[], the register is initialized to an integer. */ SQLITE_PRIVATE void sqlite3VdbeMultiLoad(Vdbe *p, int iDest, const char *zTypes, ...){ va_list ap; int i; char c; va_start(ap, zTypes); for(i=0; (c = zTypes[i])!=0; i++){ if( c=='s' ){ const char *z = va_arg(ap, const char*); sqlite3VdbeAddOp4(p, z==0 ? OP_Null : OP_String8, 0, iDest++, 0, z, 0); }else{ assert( c=='i' ); sqlite3VdbeAddOp2(p, OP_Integer, va_arg(ap, int), iDest++); } } va_end(ap); } /* ** Add an opcode that includes the p4 value as a pointer. */ SQLITE_PRIVATE int sqlite3VdbeAddOp4( ................................................................................ ** opcodes contained within. If aOp is not NULL it is assumed to contain ** nOp entries. */ static void vdbeFreeOpArray(sqlite3 *db, Op *aOp, int nOp){ if( aOp ){ Op *pOp; for(pOp=&aOp[nOp-1]; pOp>=aOp; pOp--){ if( pOp->p4type ) freeP4(db, pOp->p4type, pOp->p4.p); #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS sqlite3DbFree(db, pOp->zComment); #endif } sqlite3DbFreeNN(db, aOp); } } ................................................................................ /* ** Set the number of result columns that will be returned by this SQL ** statement. This is now set at compile time, rather than during ** execution of the vdbe program so that sqlite3_column_count() can ** be called on an SQL statement before sqlite3_step(). */ SQLITE_PRIVATE void sqlite3VdbeSetNumCols(Vdbe *p, int nResColumn){ Mem *pColName; int n; sqlite3 *db = p->db; releaseMemArray(p->aColName, p->nResColumn*COLNAME_N); sqlite3DbFree(db, p->aColName); n = nResColumn*COLNAME_N; p->nResColumn = (u16)nResColumn; p->aColName = pColName = (Mem*)sqlite3DbMallocRawNN(db, sizeof(Mem)*n ); if( p->aColName==0 ) return; initMemArray(p->aColName, n, p->db, MEM_Null); } /* ** Set the name of the idx'th column to be returned by the SQL statement. ** zName must be a pointer to a nul terminated string. ** ** This call must be made after a call to sqlite3VdbeSetNumCols(). ................................................................................ if( p->zErrMsg ){ db->bBenignMalloc++; sqlite3BeginBenignMalloc(); if( db->pErr==0 ) db->pErr = sqlite3ValueNew(db); sqlite3ValueSetStr(db->pErr, -1, p->zErrMsg, SQLITE_UTF8, SQLITE_TRANSIENT); sqlite3EndBenignMalloc(); db->bBenignMalloc--; db->errCode = rc; }else{ sqlite3Error(db, rc); } return rc; } #ifdef SQLITE_ENABLE_SQLLOG /* ** If an SQLITE_CONFIG_SQLLOG hook is registered and the VM has been run, ** invoke it. ................................................................................ if( pMem1->enc==pColl->enc ){ /* The strings are already in the correct encoding. Call the ** comparison function directly */ return pColl->xCmp(pColl->pUser,pMem1->n,pMem1->z,pMem2->n,pMem2->z); }else{ int rc; const void *v1, *v2; int n1, n2; Mem c1; Mem c2; sqlite3VdbeMemInit(&c1, pMem1->db, MEM_Null); sqlite3VdbeMemInit(&c2, pMem1->db, MEM_Null); sqlite3VdbeMemShallowCopy(&c1, pMem1, MEM_Ephem); sqlite3VdbeMemShallowCopy(&c2, pMem2, MEM_Ephem); v1 = sqlite3ValueText((sqlite3_value*)&c1, pColl->enc); n1 = v1==0 ? 0 : c1.n; v2 = sqlite3ValueText((sqlite3_value*)&c2, pColl->enc); n2 = v2==0 ? 0 : c2.n; rc = pColl->xCmp(pColl->pUser, n1, v1, n2, v2); if( (v1==0 || v2==0) && prcErr ) *prcErr = SQLITE_NOMEM_BKPT; sqlite3VdbeMemRelease(&c1); sqlite3VdbeMemRelease(&c2); return rc; } } /* ................................................................................ /* ** Return the database associated with the Vdbe. */ SQLITE_PRIVATE sqlite3 *sqlite3VdbeDb(Vdbe *v){ return v->db; } /* ** Return a pointer to an sqlite3_value structure containing the value bound ** parameter iVar of VM v. Except, if the value is an SQL NULL, return ** 0 instead. Unless it is NULL, apply affinity aff (one of the SQLITE_AFF_* ** constants) to the value before returning it. ** ** The returned value must be freed by the caller using sqlite3ValueFree(). */ SQLITE_PRIVATE sqlite3_value *sqlite3VdbeGetBoundValue(Vdbe *v, int iVar, u8 aff){ assert( iVar>0 ); if( v ){ Mem *pMem = &v->aVar[iVar-1]; if( 0==(pMem->flags & MEM_Null) ){ sqlite3_value *pRet = sqlite3ValueNew(v->db); if( pRet ){ sqlite3VdbeMemCopy((Mem *)pRet, pMem); sqlite3ValueApplyAffinity(pRet, aff, SQLITE_UTF8); } return pRet; ................................................................................ /* ** Configure SQL variable iVar so that binding a new value to it signals ** to sqlite3_reoptimize() that re-preparing the statement may result ** in a better query plan. */ SQLITE_PRIVATE void sqlite3VdbeSetVarmask(Vdbe *v, int iVar){ assert( iVar>0 ); if( iVar>=32 ){ v->expmask |= 0x80000000; }else{ v->expmask |= ((u32)1 << (iVar-1)); } } #ifndef SQLITE_OMIT_VIRTUALTABLE /* ** Transfer error message text from an sqlite3_vtab.zErrMsg (text stored ** in memory obtained from sqlite3_malloc) into a Vdbe.zErrMsg (text stored ** in memory obtained from sqlite3DbMalloc). */ ................................................................................ sqlite3_mutex *mutex = ((Vdbe*)pStmt)->db->mutex; #endif sqlite3_mutex_enter(mutex); for(i=0; i<p->nVar; i++){ sqlite3VdbeMemRelease(&p->aVar[i]); p->aVar[i].flags = MEM_Null; } assert( p->isPrepareV2 || p->expmask==0 ); if( p->expmask ){ p->expired = 1; } sqlite3_mutex_leave(mutex); return rc; } ................................................................................ } SQLITE_API sqlite_int64 sqlite3_value_int64(sqlite3_value *pVal){ return sqlite3VdbeIntValue((Mem*)pVal); } SQLITE_API unsigned int sqlite3_value_subtype(sqlite3_value *pVal){ Mem *pMem = (Mem*)pVal; return ((pMem->flags & MEM_Subtype) ? pMem->eSubtype : 0); } SQLITE_API const unsigned char *sqlite3_value_text(sqlite3_value *pVal){ return (const unsigned char *)sqlite3ValueText(pVal, SQLITE_UTF8); } #ifndef SQLITE_OMIT_UTF16 SQLITE_API const void *sqlite3_value_text16(sqlite3_value* pVal){ return sqlite3ValueText(pVal, SQLITE_UTF16NATIVE); ................................................................................ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetInt64(pCtx->pOut, iVal); } SQLITE_API void sqlite3_result_null(sqlite3_context *pCtx){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetNull(pCtx->pOut); } SQLITE_API void sqlite3_result_subtype(sqlite3_context *pCtx, unsigned int eSubtype){ Mem *pOut = pCtx->pOut; assert( sqlite3_mutex_held(pOut->db->mutex) ); pOut->eSubtype = eSubtype & 0xff; pOut->flags |= MEM_Subtype; } SQLITE_API void sqlite3_result_text( ................................................................................ ** contains the value that would be returned if sqlite3_finalize() ** were called on statement p. */ assert( rc==SQLITE_ROW || rc==SQLITE_DONE || rc==SQLITE_ERROR || (rc&0xff)==SQLITE_BUSY || rc==SQLITE_MISUSE ); assert( (p->rc!=SQLITE_ROW && p->rc!=SQLITE_DONE) || p->rc==p->rcApp ); if( p->isPrepareV2 && rc!=SQLITE_ROW && rc!=SQLITE_DONE ){ /* If this statement was prepared using sqlite3_prepare_v2(), and an ** error has occurred, then return the error code in p->rc to the ** caller. Set the error code in the database handle to the same value. */ rc = sqlite3VdbeTransferError(p); } return (rc&db->errMask); } ................................................................................ ** ** IMPLEMENTATION-OF: R-48440-37595 If the specific value bound to host ** parameter in the WHERE clause might influence the choice of query plan ** for a statement, then the statement will be automatically recompiled, ** as if there had been a schema change, on the first sqlite3_step() call ** following any change to the bindings of that parameter. */ assert( p->isPrepareV2 || p->expmask==0 ); if( p->expmask!=0 && (p->expmask & (i>=31 ? 0x80000000 : (u32)1<<i))!=0 ){ p->expired = 1; } return SQLITE_OK; } /* ................................................................................ if( rc==SQLITE_OK ){ if( zData!=0 ){ pVar = &p->aVar[i-1]; rc = sqlite3VdbeMemSetStr(pVar, zData, nData, encoding, xDel); if( rc==SQLITE_OK && encoding!=0 ){ rc = sqlite3VdbeChangeEncoding(pVar, ENC(p->db)); } sqlite3Error(p->db, rc); rc = sqlite3ApiExit(p->db, rc); } sqlite3_mutex_leave(p->db->mutex); }else if( xDel!=SQLITE_STATIC && xDel!=SQLITE_TRANSIENT ){ xDel((void*)zData); } return rc; } ................................................................................ int rc; Vdbe *p = (Vdbe*)pStmt; rc = vdbeUnbind(p, i); if( rc==SQLITE_OK ){ sqlite3_mutex_leave(p->db->mutex); } return rc; } SQLITE_API int sqlite3_bind_text( sqlite3_stmt *pStmt, int i, const char *zData, int nData, void (*xDel)(void*) ................................................................................ */ SQLITE_API int sqlite3_transfer_bindings(sqlite3_stmt *pFromStmt, sqlite3_stmt *pToStmt){ Vdbe *pFrom = (Vdbe*)pFromStmt; Vdbe *pTo = (Vdbe*)pToStmt; if( pFrom->nVar!=pTo->nVar ){ return SQLITE_ERROR; } assert( pTo->isPrepareV2 || pTo->expmask==0 ); if( pTo->expmask ){ pTo->expired = 1; } assert( pFrom->isPrepareV2 || pFrom->expmask==0 ); if( pFrom->expmask ){ pFrom->expired = 1; } return sqlite3TransferBindings(pFromStmt, pToStmt); } #endif ................................................................................ u32 v; #ifdef SQLITE_ENABLE_API_ARMOR if( !pStmt ){ (void)SQLITE_MISUSE_BKPT; return 0; } #endif v = pVdbe->aCounter[op]; if( resetFlag ) pVdbe->aCounter[op] = 0; return (int)v; } /* ** Return the SQL associated with a prepared statement */ SQLITE_API const char *sqlite3_sql(sqlite3_stmt *pStmt){ ................................................................................ int rc = SQLITE_OK; /* Value to return */ sqlite3 *db = p->db; /* The database */ u8 resetSchemaOnFault = 0; /* Reset schema after an error if positive */ u8 encoding = ENC(db); /* The database encoding */ int iCompare = 0; /* Result of last comparison */ unsigned nVmStep = 0; /* Number of virtual machine steps */ #ifndef SQLITE_OMIT_PROGRESS_CALLBACK unsigned nProgressLimit = 0;/* Invoke xProgress() when nVmStep reaches this */ #endif Mem *aMem = p->aMem; /* Copy of p->aMem */ Mem *pIn1 = 0; /* 1st input operand */ Mem *pIn2 = 0; /* 2nd input operand */ Mem *pIn3 = 0; /* 3rd input operand */ Mem *pOut = 0; /* Output operand */ #ifdef VDBE_PROFILE ................................................................................ if( db->u1.isInterrupted ) goto abort_due_to_interrupt; sqlite3VdbeIOTraceSql(p); #ifndef SQLITE_OMIT_PROGRESS_CALLBACK if( db->xProgress ){ u32 iPrior = p->aCounter[SQLITE_STMTSTATUS_VM_STEP]; assert( 0 < db->nProgressOps ); nProgressLimit = db->nProgressOps - (iPrior % db->nProgressOps); } #endif #ifdef SQLITE_DEBUG sqlite3BeginBenignMalloc(); if( p->pc==0 && (p->db->flags & (SQLITE_VdbeListing|SQLITE_VdbeEQP|SQLITE_VdbeTrace))!=0 ){ ................................................................................ #ifndef SQLITE_OMIT_PROGRESS_CALLBACK /* Call the progress callback if it is configured and the required number ** of VDBE ops have been executed (either since this invocation of ** sqlite3VdbeExec() or since last time the progress callback was called). ** If the progress callback returns non-zero, exit the virtual machine with ** a return code SQLITE_ABORT. */ if( db->xProgress!=0 && nVmStep>=nProgressLimit ){ assert( db->nProgressOps!=0 ); nProgressLimit = nVmStep + db->nProgressOps - (nVmStep%db->nProgressOps); if( db->xProgress(db->pProgressArg) ){ rc = SQLITE_INTERRUPT; goto abort_due_to_error; } } ................................................................................ assert( pOp->p1>0 ); assert( pOp->p1+pOp->p2<=(p->nMem+1 - p->nCursor)+1 ); #ifndef SQLITE_OMIT_PROGRESS_CALLBACK /* Run the progress counter just before returning. */ if( db->xProgress!=0 && nVmStep>=nProgressLimit && db->xProgress(db->pProgressArg)!=0 ){ rc = SQLITE_INTERRUPT; goto abort_due_to_error; } #endif ................................................................................ assert( pOp->p4type==P4_COLLSEQ ); if( pOp->p1 ){ sqlite3VdbeMemSetInt64(&aMem[pOp->p1], 0); } break; } /* Opcode: Function0 P1 P2 P3 P4 P5 ** Synopsis: r[P3]=func(r[P2@P5]) ** ** Invoke a user function (P4 is a pointer to a FuncDef object that ** defines the function) with P5 arguments taken from register P2 and ** successors. The result of the function is stored in register P3. ** Register P3 must not be one of the function inputs. ** ** P1 is a 32-bit bitmask indicating whether or not each argument to the ** function was determined to be constant at compile time. If the first ** argument was constant then bit 0 of P1 is set. This is used to determine ** whether meta data associated with a user function argument using the ** sqlite3_set_auxdata() API may be safely retained until the next ** invocation of this opcode. ** ** See also: Function, AggStep, AggFinal */ /* Opcode: Function P1 P2 P3 P4 P5 ** Synopsis: r[P3]=func(r[P2@P5]) ** ** Invoke a user function (P4 is a pointer to an sqlite3_context object that ** contains a pointer to the function to be run) with P5 arguments taken ** from register P2 and successors. The result of the function is stored ** in register P3. Register P3 must not be one of the function inputs. ** ** P1 is a 32-bit bitmask indicating whether or not each argument to the ** function was determined to be constant at compile time. If the first ** argument was constant then bit 0 of P1 is set. This is used to determine ** whether meta data associated with a user function argument using the ** sqlite3_set_auxdata() API may be safely retained until the next ** invocation of this opcode. ** ** SQL functions are initially coded as OP_Function0 with P4 pointing ** to a FuncDef object. But on first evaluation, the P4 operand is ** automatically converted into an sqlite3_context object and the operation ** changed to this OP_Function opcode. In this way, the initialization of ** the sqlite3_context object occurs only once, rather than once for each ** evaluation of the function. ** ** See also: Function0, AggStep, AggFinal */ case OP_Function0: { int n; sqlite3_context *pCtx; assert( pOp->p4type==P4_FUNCDEF ); n = pOp->p5; assert( pOp->p3>0 && pOp->p3<=(p->nMem+1 - p->nCursor) ); assert( n==0 || (pOp->p2>0 && pOp->p2+n<=(p->nMem+1 - p->nCursor)+1) ); assert( pOp->p3<pOp->p2 || pOp->p3>=pOp->p2+n ); pCtx = sqlite3DbMallocRawNN(db, sizeof(*pCtx) + (n-1)*sizeof(sqlite3_value*)); if( pCtx==0 ) goto no_mem; pCtx->pOut = 0; pCtx->pFunc = pOp->p4.pFunc; pCtx->iOp = (int)(pOp - aOp); pCtx->pVdbe = p; pCtx->argc = n; pOp->p4type = P4_FUNCCTX; pOp->p4.pCtx = pCtx; pOp->opcode = OP_Function; /* Fall through into OP_Function */ } case OP_Function: { int i; sqlite3_context *pCtx; assert( pOp->p4type==P4_FUNCCTX ); pCtx = pOp->p4.pCtx; /* If this function is inside of a trigger, the register array in aMem[] ** might change from one evaluation to the next. The next block of code ** checks to see if the register array has changed, and if so it ** reinitializes the relavant parts of the sqlite3_context object */ pOut = &aMem[pOp->p3]; if( pCtx->pOut != pOut ){ pCtx->pOut = pOut; for(i=pCtx->argc-1; i>=0; i--) pCtx->argv[i] = &aMem[pOp->p2+i]; } memAboutToChange(p, pOut); #ifdef SQLITE_DEBUG for(i=0; i<pCtx->argc; i++){ assert( memIsValid(pCtx->argv[i]) ); REGISTER_TRACE(pOp->p2+i, pCtx->argv[i]); } #endif MemSetTypeFlag(pOut, MEM_Null); pCtx->fErrorOrAux = 0; (*pCtx->pFunc->xSFunc)(pCtx, pCtx->argc, pCtx->argv);/* IMP: R-24505-23230 */ /* If the function returned an error, throw an exception */ if( pCtx->fErrorOrAux ){ if( pCtx->isError ){ sqlite3VdbeError(p, "%s", sqlite3_value_text(pOut)); rc = pCtx->isError; } sqlite3VdbeDeleteAuxData(db, &p->pAuxData, pCtx->iOp, pOp->p1); if( rc ) goto abort_due_to_error; } /* Copy the result of the function into register P3 */ if( pOut->flags & (MEM_Str|MEM_Blob) ){ sqlite3VdbeChangeEncoding(pOut, encoding); if( sqlite3VdbeMemTooBig(pOut) ) goto too_big; } REGISTER_TRACE(pOp->p3, pOut); UPDATE_MAX_BLOBSIZE(pOut); break; } /* Opcode: BitAnd P1 P2 P3 * * ** Synopsis: r[P3]=r[P1]&r[P2] ** ** Take the bit-wise AND of the values in register P1 and P2 and ** store the result in register P3. ** If either input is NULL, the result is NULL. */ ................................................................................ u32 avail; /* Number of bytes of available data */ u32 t; /* A type code from the record header */ Mem *pReg; /* PseudoTable input register */ pC = p->apCsr[pOp->p1]; p2 = pOp->p2; /* If the cursor cache is stale, bring it up-to-date */ rc = sqlite3VdbeCursorMoveto(&pC, &p2); if( rc ) goto abort_due_to_error; assert( pOp->p3>0 && pOp->p3<=(p->nMem+1 - p->nCursor) ); pDest = &aMem[pOp->p3]; memAboutToChange(p, pDest); assert( pOp->p1>=0 && pOp->p1<p->nCursor ); ................................................................................ pC->cacheStatus = CACHE_STALE; #ifdef SQLITE_TEST sqlite3_search_count++; #endif if( oc>=OP_SeekGE ){ assert( oc==OP_SeekGE || oc==OP_SeekGT ); if( res<0 || (res==0 && oc==OP_SeekGT) ){ res = 0; rc = sqlite3BtreeNext(pC->uc.pCursor, &res); if( rc!=SQLITE_OK ) goto abort_due_to_error; }else{ res = 0; } }else{ assert( oc==OP_SeekLT || oc==OP_SeekLE ); if( res>0 || (res==0 && oc==OP_SeekLT) ){ res = 0; rc = sqlite3BtreePrevious(pC->uc.pCursor, &res); if( rc!=SQLITE_OK ) goto abort_due_to_error; }else{ /* res might be negative because the table is empty. Check to ** see if this is the case. */ res = sqlite3BtreeEof(pC->uc.pCursor); } } ................................................................................ ** This opcode works just like OP_Next except that P1 must be a ** sorter object for which the OP_SorterSort opcode has been ** invoked. This opcode advances the cursor to the next sorted ** record, or jumps to P2 if there are no more sorted records. */ case OP_SorterNext: { /* jump */ VdbeCursor *pC; int res; pC = p->apCsr[pOp->p1]; assert( isSorter(pC) ); res = 0; rc = sqlite3VdbeSorterNext(db, pC, &res); goto next_tail; case OP_PrevIfOpen: /* jump */ case OP_NextIfOpen: /* jump */ if( p->apCsr[pOp->p1]==0 ) break; /* Fall through */ case OP_Prev: /* jump */ case OP_Next: /* jump */ assert( pOp->p1>=0 && pOp->p1<p->nCursor ); assert( pOp->p5<ArraySize(p->aCounter) ); pC = p->apCsr[pOp->p1]; res = pOp->p3; assert( pC!=0 ); assert( pC->deferredMoveto==0 ); assert( pC->eCurType==CURTYPE_BTREE ); assert( res==0 || (res==1 && pC->isTable==0) ); testcase( res==1 ); assert( pOp->opcode!=OP_Next || pOp->p4.xAdvance==sqlite3BtreeNext ); assert( pOp->opcode!=OP_Prev || pOp->p4.xAdvance==sqlite3BtreePrevious ); assert( pOp->opcode!=OP_NextIfOpen || pOp->p4.xAdvance==sqlite3BtreeNext ); assert( pOp->opcode!=OP_PrevIfOpen || pOp->p4.xAdvance==sqlite3BtreePrevious); /* The Next opcode is only used after SeekGT, SeekGE, and Rewind. ** The Prev opcode is only used after SeekLT, SeekLE, and Last. */ ................................................................................ assert( pOp->opcode!=OP_Next || pOp->opcode!=OP_NextIfOpen || pC->seekOp==OP_SeekGT || pC->seekOp==OP_SeekGE || pC->seekOp==OP_Rewind || pC->seekOp==OP_Found); assert( pOp->opcode!=OP_Prev || pOp->opcode!=OP_PrevIfOpen || pC->seekOp==OP_SeekLT || pC->seekOp==OP_SeekLE || pC->seekOp==OP_Last ); rc = pOp->p4.xAdvance(pC->uc.pCursor, &res); next_tail: pC->cacheStatus = CACHE_STALE; VdbeBranchTaken(res==0,2); if( rc ) goto abort_due_to_error; if( res==0 ){ pC->nullRow = 0; p->aCounter[pOp->p5]++; #ifdef SQLITE_TEST sqlite3_search_count++; #endif goto jump_to_p2_and_check_for_interrupt; }else{ pC->nullRow = 1; } goto check_for_interrupt; } /* Opcode: IdxInsert P1 P2 P3 P4 P5 ** Synopsis: key=r[P2] ** ** Register P2 holds an SQL index key made using the ................................................................................ } assert( pC->deferredMoveto==0 ); pC->cacheStatus = CACHE_STALE; pC->seekResult = 0; break; } /* Opcode: Seek P1 * P3 P4 * ** Synopsis: Move P3 to P1.rowid ** ** P1 is an open index cursor and P3 is a cursor on the corresponding ** table. This opcode does a deferred seek of the P3 table cursor ** to the row that corresponds to the current row of P1. ** ** This is a deferred seek. Nothing actually happens until ** the cursor is used to read a record. That way, if no reads ................................................................................ ** ** Write into register P2 an integer which is the last entry in the record at ** the end of the index key pointed to by cursor P1. This integer should be ** the rowid of the table entry to which this index entry points. ** ** See also: Rowid, MakeRecord. */ case OP_Seek: case OP_IdxRowid: { /* out2 */ VdbeCursor *pC; /* The P1 index cursor */ VdbeCursor *pTabCur; /* The P2 table cursor (OP_Seek only) */ i64 rowid; /* Rowid that P1 current points to */ assert( pOp->p1>=0 && pOp->p1<p->nCursor ); pC = p->apCsr[pOp->p1]; assert( pC!=0 ); assert( pC->eCurType==CURTYPE_BTREE ); assert( pC->uc.pCursor!=0 ); assert( pC->isTable==0 ); ................................................................................ if( !pC->nullRow ){ rowid = 0; /* Not needed. Only used to silence a warning. */ rc = sqlite3VdbeIdxRowid(db, pC->uc.pCursor, &rowid); if( rc!=SQLITE_OK ){ goto abort_due_to_error; } if( pOp->opcode==OP_Seek ){ assert( pOp->p3>=0 && pOp->p3<p->nCursor ); pTabCur = p->apCsr[pOp->p3]; assert( pTabCur!=0 ); assert( pTabCur->eCurType==CURTYPE_BTREE ); assert( pTabCur->uc.pCursor!=0 ); assert( pTabCur->isTable ); pTabCur->nullRow = 0; ................................................................................ ** P2 contains the root-page of the table to lock. ** ** P4 contains a pointer to the name of the table being locked. This is only ** used to generate an error message if the lock cannot be obtained. */ case OP_TableLock: { u8 isWriteLock = (u8)pOp->p3; if( isWriteLock || 0==(db->flags&SQLITE_ReadUncommitted) ){ int p1 = pOp->p1; assert( p1>=0 && p1<db->nDb ); assert( DbMaskTest(p->btreeMask, p1) ); assert( isWriteLock==0 || isWriteLock==1 ); rc = sqlite3BtreeLockTable(db->aDb[p1].pBt, pOp->p2, isWriteLock); if( rc ){ if( (rc&0xFF)==SQLITE_LOCKED ){ ................................................................................ if( newMax < (unsigned)pOp->p3 ) newMax = (unsigned)pOp->p3; } pOut->u.i = sqlite3BtreeMaxPageCount(pBt, newMax); break; } #endif /* Opcode: Init P1 P2 * P4 * ** Synopsis: Start at P2 ** ** Programs contain a single instance of this opcode as the very first ** opcode. ** ................................................................................ if( pOp->p1>=sqlite3GlobalConfig.iOnceResetThreshold ){ for(i=1; i<p->nOp; i++){ if( p->aOp[i].opcode==OP_Once ) p->aOp[i].p1 = 0; } pOp->p1 = 0; } pOp->p1++; goto jump_to_p2; } #ifdef SQLITE_ENABLE_CURSOR_HINTS /* Opcode: CursorHint P1 * * P4 * ** ** Provide a hint to cursor P1 that it only needs to return rows that ................................................................................ const u8 * const v1 = &p1[ p1[0] ]; /* Pointer to value 1 */ const u8 * const v2 = &p2[ p2[0] ]; /* Pointer to value 2 */ int n1; int n2; int res; getVarint32(&p1[1], n1); n1 = (n1 - 13) / 2; getVarint32(&p2[1], n2); n2 = (n2 - 13) / 2; res = memcmp(v1, v2, MIN(n1, n2)); if( res==0 ){ res = n1 - n2; } if( res==0 ){ if( pTask->pSorter->pKeyInfo->nField>1 ){ res = vdbeSorterCompareTail( ................................................................................ } vdbeSorterRewindDebug("rewinddone"); return rc; } /* ** Advance to the next element in the sorter. */ SQLITE_PRIVATE int sqlite3VdbeSorterNext(sqlite3 *db, const VdbeCursor *pCsr, int *pbEof){ VdbeSorter *pSorter; int rc; /* Return code */ assert( pCsr->eCurType==CURTYPE_SORTER ); pSorter = pCsr->uc.pSorter; assert( pSorter->bUsePMA || (pSorter->pReader==0 && pSorter->pMerger==0) ); if( pSorter->bUsePMA ){ assert( pSorter->pReader==0 || pSorter->pMerger==0 ); assert( pSorter->bUseThreads==0 || pSorter->pReader ); assert( pSorter->bUseThreads==1 || pSorter->pMerger ); #if SQLITE_MAX_WORKER_THREADS>0 if( pSorter->bUseThreads ){ rc = vdbePmaReaderNext(pSorter->pReader); *pbEof = (pSorter->pReader->pFd==0); }else #endif /*if( !pSorter->bUseThreads )*/ { assert( pSorter->pMerger!=0 ); assert( pSorter->pMerger->pTask==(&pSorter->aTask[0]) ); rc = vdbeMergeEngineStep(pSorter->pMerger, pbEof); } }else{ SorterRecord *pFree = pSorter->list.pList; pSorter->list.pList = pFree->u.pNext; pFree->u.pNext = 0; if( pSorter->list.aMemory==0 ) vdbeSorterRecordFree(db, pFree); *pbEof = !pSorter->list.pList; rc = SQLITE_OK; } return rc; } /* ** Return a pointer to a buffer owned by the sorter that contains the ** current key. ................................................................................ ** and WRC_Continue to continue. */ static SQLITE_NOINLINE int walkExpr(Walker *pWalker, Expr *pExpr){ int rc; testcase( ExprHasProperty(pExpr, EP_TokenOnly) ); testcase( ExprHasProperty(pExpr, EP_Reduced) ); rc = pWalker->xExprCallback(pWalker, pExpr); if( rc || ExprHasProperty(pExpr,(EP_TokenOnly|EP_Leaf)) ){ return rc & WRC_Abort; } if( pExpr->pLeft && walkExpr(pWalker, pExpr->pLeft) ) return WRC_Abort; if( pExpr->pRight && walkExpr(pWalker, pExpr->pRight) ) return WRC_Abort; if( ExprHasProperty(pExpr, EP_xIsSelect) ){ if( sqlite3WalkSelect(pWalker, pExpr->x.pSelect) ) return WRC_Abort; }else if( pExpr->x.pList ){ if( sqlite3WalkExprList(pWalker, pExpr->x.pList) ) return WRC_Abort; } return WRC_Continue; } SQLITE_PRIVATE int sqlite3WalkExpr(Walker *pWalker, Expr *pExpr){ return pExpr ? walkExpr(pWalker,pExpr) : WRC_Continue; } ................................................................................ SrcList *pSrc; int i; struct SrcList_item *pItem; pSrc = p->pSrc; if( ALWAYS(pSrc) ){ for(i=pSrc->nSrc, pItem=pSrc->a; i>0; i--, pItem++){ if( sqlite3WalkSelect(pWalker, pItem->pSelect) ){ return WRC_Abort; } if( pItem->fg.isTabFunc && sqlite3WalkExprList(pWalker, pItem->u1.pFuncArg) ){ return WRC_Abort; } ................................................................................ /* ** Call sqlite3WalkExpr() for every expression in Select statement p. ** Invoke sqlite3WalkSelect() for subqueries in the FROM clause and ** on the compound select chain, p->pPrior. ** ** If it is not NULL, the xSelectCallback() callback is invoked before ** the walk of the expressions and FROM clause. The xSelectCallback2() ** method, if it is not NULL, is invoked following the walk of the ** expressions and FROM clause. ** ** Return WRC_Continue under normal conditions. Return WRC_Abort if ** there is an abort request. ** ** If the Walker does not have an xSelectCallback() then this routine ** is a no-op returning WRC_Continue. */ SQLITE_PRIVATE int sqlite3WalkSelect(Walker *pWalker, Select *p){ int rc; if( p==0 || (pWalker->xSelectCallback==0 && pWalker->xSelectCallback2==0) ){ return WRC_Continue; } rc = WRC_Continue; pWalker->walkerDepth++; while( p ){ if( pWalker->xSelectCallback ){ rc = pWalker->xSelectCallback(pWalker, p); if( rc ) break; } if( sqlite3WalkSelectExpr(pWalker, p) || sqlite3WalkSelectFrom(pWalker, p) ){ pWalker->walkerDepth--; return WRC_Abort; } if( pWalker->xSelectCallback2 ){ pWalker->xSelectCallback2(pWalker, p); } p = p->pPrior; } pWalker->walkerDepth--; return rc & WRC_Abort; } /************** End of walker.c **********************************************/ /************** Begin file resolve.c *****************************************/ /* ** 2008 August 18 ** ................................................................................ /* Clean up and return */ sqlite3ExprDelete(db, pExpr->pLeft); pExpr->pLeft = 0; sqlite3ExprDelete(db, pExpr->pRight); pExpr->pRight = 0; pExpr->op = (isTrigger ? TK_TRIGGER : TK_COLUMN); lookupname_end: if( cnt==1 ){ assert( pNC!=0 ); if( !ExprHasProperty(pExpr, EP_Alias) ){ sqlite3AuthRead(pParse, pExpr, pSchema, pNC->pSrcList); } /* Increment the nRef value on all name contexts from TopNC up to ................................................................................ p->iColumn = -1; }else{ p->iColumn = (ynVar)iCol; testcase( iCol==BMS ); testcase( iCol==BMS-1 ); pItem->colUsed |= ((Bitmask)1)<<(iCol>=BMS ? BMS-1 : iCol); } ExprSetProperty(p, EP_Resolved); } return p; } /* ** Report an error that an expression is not valid for some set of ** pNC->ncFlags values determined by validMask. ................................................................................ Parse *pParse; pNC = pWalker->u.pNC; assert( pNC!=0 ); pParse = pNC->pParse; assert( pParse==pWalker->pParse ); if( ExprHasProperty(pExpr, EP_Resolved) ) return WRC_Prune; ExprSetProperty(pExpr, EP_Resolved); #ifndef NDEBUG if( pNC->pSrcList && pNC->pSrcList->nAlloc>0 ){ SrcList *pSrcList = pNC->pSrcList; int i; for(i=0; i<pNC->pSrcList->nSrc; i++){ assert( pSrcList->a[i].iCursor>=0 && pSrcList->a[i].iCursor<pParse->nTab); } ................................................................................ if( rc ) return 0; /* Try to match the ORDER BY expression against an expression ** in the result set. Return an 1-based index of the matching ** result-set entry. */ for(i=0; i<pEList->nExpr; i++){ if( sqlite3ExprCompare(pEList->a[i].pExpr, pE, -1)<2 ){ return i+1; } } /* If no match, return 0. */ return 0; } ................................................................................ /* Otherwise, treat the ORDER BY term as an ordinary expression */ pItem->u.x.iOrderByCol = 0; if( sqlite3ResolveExprNames(pNC, pE) ){ return 1; } for(j=0; j<pSelect->pEList->nExpr; j++){ if( sqlite3ExprCompare(pE, pSelect->pEList->a[j].pExpr, -1)==0 ){ pItem->u.x.iOrderByCol = j+1; } } } return sqlite3ResolveOrderGroupBy(pParse, pSelect, pOrderBy, zType); } ................................................................................ SQLITE_PRIVATE int sqlite3ResolveExprNames( NameContext *pNC, /* Namespace to resolve expressions in. */ Expr *pExpr /* The expression to be analyzed. */ ){ u16 savedHasAgg; Walker w; if( pExpr==0 ) return 0; #if SQLITE_MAX_EXPR_DEPTH>0 { Parse *pParse = pNC->pParse; if( sqlite3ExprCheckHeight(pParse, pExpr->nHeight+pNC->pParse->nHeight) ){ return 1; } pParse->nHeight += pExpr->nHeight; } #endif savedHasAgg = pNC->ncFlags & (NC_HasAgg|NC_MinMaxAgg); pNC->ncFlags &= ~(NC_HasAgg|NC_MinMaxAgg); w.pParse = pNC->pParse; w.xExprCallback = resolveExprStep; w.xSelectCallback = resolveSelectStep; w.xSelectCallback2 = 0; w.walkerDepth = 0; w.eCode = 0; w.u.pNC = pNC; sqlite3WalkExpr(&w, pExpr); #if SQLITE_MAX_EXPR_DEPTH>0 pNC->pParse->nHeight -= pExpr->nHeight; #endif if( pNC->nErr>0 || w.pParse->nErr>0 ){ ExprSetProperty(pExpr, EP_Error); } if( pNC->ncFlags & NC_HasAgg ){ ExprSetProperty(pExpr, EP_Agg); } pNC->ncFlags |= savedHasAgg; return ExprHasProperty(pExpr, EP_Error); } /* ** Resolve all names for all expression in an expression list. This is ** just like sqlite3ResolveExprNames() except that it works for an expression ** list rather than a single expression. */ ................................................................................ Parse *pParse, /* The parser context */ Select *p, /* The SELECT statement being coded. */ NameContext *pOuterNC /* Name context for parent SELECT statement */ ){ Walker w; assert( p!=0 ); memset(&w, 0, sizeof(w)); w.xExprCallback = resolveExprStep; w.xSelectCallback = resolveSelectStep; w.pParse = pParse; w.u.pNC = pOuterNC; sqlite3WalkSelect(&w, p); } /* ** Resolve names in expressions that can only reference a single table: ................................................................................ pNew = sqlite3DbMallocRawNN(db, sizeof(Expr)+nExtra); if( pNew ){ memset(pNew, 0, sizeof(Expr)); pNew->op = (u8)op; pNew->iAgg = -1; if( pToken ){ if( nExtra==0 ){ pNew->flags |= EP_IntValue; pNew->u.iValue = iValue; }else{ pNew->u.zToken = (char*)&pNew[1]; assert( pToken->z!=0 || pToken->n==0 ); if( pToken->n ) memcpy(pNew->u.zToken, pToken->z, pToken->n); pNew->u.zToken[pToken->n] = 0; if( dequote && sqlite3Isquote(pNew->u.zToken[0]) ){ ................................................................................ assert( p->x.pSelect==0 ); } #endif if( !ExprHasProperty(p, (EP_TokenOnly|EP_Leaf)) ){ /* The Expr.x union is never used at the same time as Expr.pRight */ assert( p->x.pList==0 || p->pRight==0 ); if( p->pLeft && p->op!=TK_SELECT_COLUMN ) sqlite3ExprDeleteNN(db, p->pLeft); sqlite3ExprDelete(db, p->pRight); if( ExprHasProperty(p, EP_xIsSelect) ){ sqlite3SelectDelete(db, p->x.pSelect); }else{ sqlite3ExprListDelete(db, p->x.pList); } } if( ExprHasProperty(p, EP_MemToken) ) sqlite3DbFree(db, p->u.zToken); if( !ExprHasProperty(p, EP_Static) ){ ................................................................................ if( pNew==0 ){ goto no_mem; } pList = pNew; pList->nAlloc *= 2; } pItem = &pList->a[pList->nExpr++]; memset(pItem, 0, sizeof(*pItem)); pItem->pExpr = pExpr; return pList; no_mem: /* Avoid leaking memory if malloc has failed. */ sqlite3ExprDelete(db, pExpr); sqlite3ExprListDelete(db, pList); ................................................................................ static int selectNodeIsConstant(Walker *pWalker, Select *NotUsed){ UNUSED_PARAMETER(NotUsed); pWalker->eCode = 0; return WRC_Abort; } static int exprIsConst(Expr *p, int initFlag, int iCur){ Walker w; memset(&w, 0, sizeof(w)); w.eCode = initFlag; w.xExprCallback = exprNodeIsConstant; w.xSelectCallback = selectNodeIsConstant; w.u.iCur = iCur; sqlite3WalkExpr(&w, p); return w.eCode; } /* ** Walk an expression tree. Return non-zero if the expression is constant ................................................................................ ExprList *pGroupBy = pWalker->u.pGroupBy; int i; /* Check if pExpr is identical to any GROUP BY term. If so, consider ** it constant. */ for(i=0; i<pGroupBy->nExpr; i++){ Expr *p = pGroupBy->a[i].pExpr; if( sqlite3ExprCompare(pExpr, p, -1)<2 ){ CollSeq *pColl = sqlite3ExprCollSeq(pWalker->pParse, p); if( pColl==0 || sqlite3_stricmp("BINARY", pColl->zName)==0 ){ return WRC_Prune; } } } ................................................................................ ** sequence as the GROUP BY term, but that is much harder to check, ** alternative collating sequences are uncommon, and this is only an ** optimization, so we take the easy way out and simply require the ** GROUP BY to use the BINARY collating sequence. */ SQLITE_PRIVATE int sqlite3ExprIsConstantOrGroupBy(Parse *pParse, Expr *p, ExprList *pGroupBy){ Walker w; memset(&w, 0, sizeof(w)); w.eCode = 1; w.xExprCallback = exprNodeIsConstantOrGroupBy; w.u.pGroupBy = pGroupBy; w.pParse = pParse; sqlite3WalkExpr(&w, p); return w.eCode; } /* ................................................................................ #ifdef SQLITE_ENABLE_CURSOR_HINTS /* ** Walk an expression tree. Return 1 if the expression contains a ** subquery of some kind. Return 0 if there are no subqueries. */ SQLITE_PRIVATE int sqlite3ExprContainsSubquery(Expr *p){ Walker w; memset(&w, 0, sizeof(w)); w.eCode = 1; w.xExprCallback = sqlite3ExprWalkNoop; w.xSelectCallback = selectNodeIsConstant; sqlite3WalkExpr(&w, p); return w.eCode==0; } #endif /* ** If the expression p codes a constant integer that is small enough ................................................................................ int iIdxCol, /* The column of the index to be loaded */ int regOut /* Store the index column value in this register */ ){ i16 iTabCol = pIdx->aiColumn[iIdxCol]; if( iTabCol==XN_EXPR ){ assert( pIdx->aColExpr ); assert( pIdx->aColExpr->nExpr>iIdxCol ); pParse->iSelfTab = iTabCur; sqlite3ExprCodeCopy(pParse, pIdx->aColExpr->a[iIdxCol].pExpr, regOut); }else{ sqlite3ExprCodeGetColumnOfTable(pParse->pVdbe, pIdx->pTable, iTabCur, iTabCol, regOut); } } /* ................................................................................ return target; } /* Otherwise, fall thru into the TK_COLUMN case */ } case TK_COLUMN: { int iTab = pExpr->iTable; if( iTab<0 ){ if( pParse->ckBase>0 ){ /* Generating CHECK constraints or inserting into partial index */ return pExpr->iColumn + pParse->ckBase; }else{ /* Coding an expression that is part of an index where column names ** in the index refer to the table to which the index belongs */ iTab = pParse->iSelfTab; } } return sqlite3ExprCodeGetColumn(pParse, pExpr->pTab, pExpr->iColumn, iTab, target, pExpr->op2); } case TK_INTEGER: { ................................................................................ pDef = sqlite3VtabOverloadFunction(db, pDef, nFarg, pFarg->a[0].pExpr); } #endif if( pDef->funcFlags & SQLITE_FUNC_NEEDCOLL ){ if( !pColl ) pColl = db->pDfltColl; sqlite3VdbeAddOp4(v, OP_CollSeq, 0, 0, 0, (char *)pColl, P4_COLLSEQ); } sqlite3VdbeAddOp4(v, OP_Function0, constMask, r1, target, (char*)pDef, P4_FUNCDEF); sqlite3VdbeChangeP5(v, (u8)nFarg); if( nFarg && constMask==0 ){ sqlite3ReleaseTempRange(pParse, r1, nFarg); } return target; } #ifndef SQLITE_OMIT_SUBQUERY ................................................................................ ExprList *p; assert( ConstFactorOk(pParse) ); p = pParse->pConstExpr; if( regDest<0 && p ){ struct ExprList_item *pItem; int i; for(pItem=p->a, i=p->nExpr; i>0; pItem++, i--){ if( pItem->reusable && sqlite3ExprCompare(pItem->pExpr,pExpr,-1)==0 ){ return pItem->u.iConstExprReg; } } } pExpr = sqlite3ExprDup(pParse->db, pExpr, 0); p = sqlite3ExprListAppend(pParse, p, pExpr); if( p ){ ................................................................................ Expr *pCopy = sqlite3ExprDup(db, pExpr, 0); if( db->mallocFailed==0 ){ sqlite3ExprIfFalse(pParse, pCopy, dest, jumpIfNull); } sqlite3ExprDelete(db, pCopy); } /* ** Do a deep comparison of two expression trees. Return 0 if the two ** expressions are completely identical. Return 1 if they differ only ** by a COLLATE operator at the top level. Return 2 if there are differences ** other than the top-level COLLATE operator. ** ................................................................................ ** identical, we return 2 just to be safe. So if this routine ** returns 2, then you do not really know for certain if the two ** expressions are the same. But if you get a 0 or 1 return, then you ** can be sure the expressions are the same. In the places where ** this routine is used, it does not hurt to get an extra 2 - that ** just might result in some slightly slower code. But returning ** an incorrect 0 or 1 could lead to a malfunction. */ SQLITE_PRIVATE int sqlite3ExprCompare(Expr *pA, Expr *pB, int iTab){ u32 combinedFlags; if( pA==0 || pB==0 ){ return pB==pA ? 0 : 2; } combinedFlags = pA->flags | pB->flags; if( combinedFlags & EP_IntValue ){ if( (pA->flags&pB->flags&EP_IntValue)!=0 && pA->u.iValue==pB->u.iValue ){ return 0; } return 2; } if( pA->op!=pB->op ){ if( pA->op==TK_COLLATE && sqlite3ExprCompare(pA->pLeft, pB, iTab)<2 ){ return 1; } if( pB->op==TK_COLLATE && sqlite3ExprCompare(pA, pB->pLeft, iTab)<2 ){ return 1; } return 2; } if( pA->op!=TK_COLUMN && pA->op!=TK_AGG_COLUMN && pA->u.zToken ){ if( pA->op==TK_FUNCTION ){ if( sqlite3StrICmp(pA->u.zToken,pB->u.zToken)!=0 ) return 2; ................................................................................ }else if( strcmp(pA->u.zToken,pB->u.zToken)!=0 ){ return pA->op==TK_COLLATE ? 1 : 2; } } if( (pA->flags & EP_Distinct)!=(pB->flags & EP_Distinct) ) return 2; if( ALWAYS((combinedFlags & EP_TokenOnly)==0) ){ if( combinedFlags & EP_xIsSelect ) return 2; if( sqlite3ExprCompare(pA->pLeft, pB->pLeft, iTab) ) return 2; if( sqlite3ExprCompare(pA->pRight, pB->pRight, iTab) ) return 2; if( sqlite3ExprListCompare(pA->x.pList, pB->x.pList, iTab) ) return 2; if( ALWAYS((combinedFlags & EP_Reduced)==0) && pA->op!=TK_STRING ){ if( pA->iColumn!=pB->iColumn ) return 2; if( pA->iTable!=pB->iTable && (pA->iTable!=iTab || NEVER(pB->iTable>=0)) ) return 2; } } ................................................................................ if( pA==0 && pB==0 ) return 0; if( pA==0 || pB==0 ) return 1; if( pA->nExpr!=pB->nExpr ) return 1; for(i=0; i<pA->nExpr; i++){ Expr *pExprA = pA->a[i].pExpr; Expr *pExprB = pB->a[i].pExpr; if( pA->a[i].sortOrder!=pB->a[i].sortOrder ) return 1; if( sqlite3ExprCompare(pExprA, pExprB, iTab) ) return 1; } return 0; } /* ** Like sqlite3ExprCompare() except COLLATE operators at the top-level ** are ignored. */ SQLITE_PRIVATE int sqlite3ExprCompareSkip(Expr *pA, Expr *pB, int iTab){ return sqlite3ExprCompare( sqlite3ExprSkipCollate(pA), sqlite3ExprSkipCollate(pB), iTab); } /* ** Return true if we can prove the pE2 will always be true if pE1 is ................................................................................ ** pE1: x!=?1 pE2: x IS NOT NULL Result: true ** pE1: x IS NULL pE2: x IS NOT NULL Result: false ** pE1: x IS ?2 pE2: x IS NOT NULL Reuslt: false ** ** When comparing TK_COLUMN nodes between pE1 and pE2, if pE2 has ** Expr.iTable<0 then assume a table number given by iTab. ** ** When in doubt, return false. Returning true might give a performance ** improvement. Returning false might cause a performance reduction, but ** it will always give the correct answer and is hence always safe. */ SQLITE_PRIVATE int sqlite3ExprImpliesExpr(Expr *pE1, Expr *pE2, int iTab){ if( sqlite3ExprCompare(pE1, pE2, iTab)==0 ){ return 1; } if( pE2->op==TK_OR && (sqlite3ExprImpliesExpr(pE1, pE2->pLeft, iTab) || sqlite3ExprImpliesExpr(pE1, pE2->pRight, iTab) ) ){ return 1; } if( pE2->op==TK_NOTNULL && pE1->op!=TK_ISNULL && pE1->op!=TK_IS ){ Expr *pX = sqlite3ExprSkipCollate(pE1->pLeft); testcase( pX!=pE1->pLeft ); if( sqlite3ExprCompare(pX, pE2->pLeft, iTab)==0 ) return 1; } return 0; } /* ** An instance of the following structure is used by the tree walker ** to determine if an expression can be evaluated by reference to the ................................................................................ ** has no arguments or has only constant arguments. Return false if pExpr ** references columns but not columns of tables found in pSrcList. */ SQLITE_PRIVATE int sqlite3FunctionUsesThisSrc(Expr *pExpr, SrcList *pSrcList){ Walker w; struct SrcCount cnt; assert( pExpr->op==TK_AGG_FUNCTION ); memset(&w, 0, sizeof(w)); w.xExprCallback = exprSrcCount; w.u.pSrcCount = &cnt; cnt.pSrc = pSrcList; cnt.nThis = 0; cnt.nOther = 0; sqlite3WalkExprList(&w, pExpr->x.pList); return cnt.nThis>0 || cnt.nOther==0; } ................................................................................ && pWalker->walkerDepth==pExpr->op2 ){ /* Check to see if pExpr is a duplicate of another aggregate ** function that is already in the pAggInfo structure */ struct AggInfo_func *pItem = pAggInfo->aFunc; for(i=0; i<pAggInfo->nFunc; i++, pItem++){ if( sqlite3ExprCompare(pItem->pExpr, pExpr, -1)==0 ){ break; } } if( i>=pAggInfo->nFunc ){ /* pExpr is original. Make a new entry in pAggInfo->aFunc[] */ u8 enc = ENC(pParse->db); ................................................................................ return WRC_Continue; } } } return WRC_Continue; } static int analyzeAggregatesInSelect(Walker *pWalker, Select *pSelect){ UNUSED_PARAMETER(pWalker); UNUSED_PARAMETER(pSelect); return WRC_Continue; } /* ** Analyze the pExpr expression looking for aggregate functions and ** for variables that need to be added to AggInfo object that pNC->pAggInfo ** points to. Additional entries are made on the AggInfo object as ** necessary. ** ** This routine should only be called after the expression has been ** analyzed by sqlite3ResolveExprNames(). */ SQLITE_PRIVATE void sqlite3ExprAnalyzeAggregates(NameContext *pNC, Expr *pExpr){ Walker w; memset(&w, 0, sizeof(w)); w.xExprCallback = analyzeAggregate; w.xSelectCallback = analyzeAggregatesInSelect; w.u.pNC = pNC; assert( pNC->pSrcList!=0 ); sqlite3WalkExpr(&w, pExpr); } /* ** Call sqlite3ExprAnalyzeAggregates() for every expression in an ................................................................................ ** iFirst..iLast, inclusive. This routine is only call from within assert() ** statements. */ #ifdef SQLITE_DEBUG SQLITE_PRIVATE int sqlite3NoTempsInRange(Parse *pParse, int iFirst, int iLast){ int i; if( pParse->nRangeReg>0 && pParse->iRangeReg+pParse->nRangeReg<iLast && pParse->iRangeReg>=iFirst ){ return 0; } for(i=0; i<pParse->nTempReg; i++){ if( pParse->aTempReg[i]>=iFirst && pParse->aTempReg[i]<=iLast ){ return 0; } ................................................................................ ** (either with ALTER TABLE ... RENAME TO or ALTER TABLE ... ADD COLUMN). ** If the table is a system table, this function leaves an error message ** in pParse->zErr (system tables may not be altered) and returns non-zero. ** ** Or, if zName is not a system table, zero is returned. */ static int isSystemTable(Parse *pParse, const char *zName){ if( sqlite3Strlen30(zName)>6 && 0==sqlite3StrNICmp(zName, "sqlite_", 7) ){ sqlite3ErrorMsg(pParse, "table %s may not be altered", zName); return 1; } return 0; } /* ................................................................................ int rc = 0; sqlite3 *db = sqlite3_context_db_handle(context); const char *zName; const char *zFile; char *zPath = 0; char *zErr = 0; unsigned int flags; Db *aNew; char *zErrDyn = 0; sqlite3_vfs *pVfs; UNUSED_PARAMETER(NotUsed); zFile = (const char *)sqlite3_value_text(argv[0]); zName = (const char *)sqlite3_value_text(argv[1]); ................................................................................ if( aNew==0 ) return; memcpy(aNew, db->aDb, sizeof(db->aDb[0])*2); }else{ aNew = sqlite3DbRealloc(db, db->aDb, sizeof(db->aDb[0])*(db->nDb+1) ); if( aNew==0 ) return; } db->aDb = aNew; aNew = &db->aDb[db->nDb]; memset(aNew, 0, sizeof(*aNew)); /* Open the database file. If the btree is successfully opened, use ** it to obtain the database schema. At this point the schema may ** or may not be initialized. */ flags = db->openFlags; rc = sqlite3ParseUri(db->pVfs->zName, zFile, &flags, &pVfs, &zPath, &zErr); ................................................................................ if( rc==SQLITE_NOMEM ) sqlite3OomFault(db); sqlite3_result_error(context, zErr, -1); sqlite3_free(zErr); return; } assert( pVfs ); flags |= SQLITE_OPEN_MAIN_DB; rc = sqlite3BtreeOpen(pVfs, zPath, db, &aNew->pBt, 0, flags); sqlite3_free( zPath ); db->nDb++; db->skipBtreeMutex = 0; if( rc==SQLITE_CONSTRAINT ){ rc = SQLITE_ERROR; zErrDyn = sqlite3MPrintf(db, "database is already attached"); }else if( rc==SQLITE_OK ){ Pager *pPager; aNew->pSchema = sqlite3SchemaGet(db, aNew->pBt); if( !aNew->pSchema ){ rc = SQLITE_NOMEM_BKPT; }else if( aNew->pSchema->file_format && aNew->pSchema->enc!=ENC(db) ){ zErrDyn = sqlite3MPrintf(db, "attached databases must use the same text encoding as main database"); rc = SQLITE_ERROR; } sqlite3BtreeEnter(aNew->pBt); pPager = sqlite3BtreePager(aNew->pBt); sqlite3PagerLockingMode(pPager, db->dfltLockMode); sqlite3BtreeSecureDelete(aNew->pBt, sqlite3BtreeSecureDelete(db->aDb[0].pBt,-1) ); #ifndef SQLITE_OMIT_PAGER_PRAGMAS sqlite3BtreeSetPagerFlags(aNew->pBt, PAGER_SYNCHRONOUS_FULL | (db->flags & PAGER_FLAGS_MASK)); #endif sqlite3BtreeLeave(aNew->pBt); } aNew->safety_level = SQLITE_DEFAULT_SYNCHRONOUS+1; aNew->zDbSName = sqlite3DbStrDup(db, zName); if( rc==SQLITE_OK && aNew->zDbSName==0 ){ rc = SQLITE_NOMEM_BKPT; } #ifdef SQLITE_HAS_CODEC if( rc==SQLITE_OK ){ extern int sqlite3CodecAttach(sqlite3*, int, const void*, int); ................................................................................ pParse->nErr++; goto begin_table_error; } pTable->zName = zName; pTable->iPKey = -1; pTable->pSchema = db->aDb[iDb].pSchema; pTable->nTabRef = 1; pTable->nRowLogEst = 200; assert( 200==sqlite3LogEst(1048576) ); assert( pParse->pNewTable==0 ); pParse->pNewTable = pTable; /* If this is the magic sqlite_sequence table used by autoincrement, ** then record a pointer to this table in the main database structure ** so that INSERT can find the table easily. */ ................................................................................ SQLITE_IDXTYPE_PRIMARYKEY); if( db->mallocFailed ) return; pPk = sqlite3PrimaryKeyIndex(pTab); pTab->iPKey = -1; }else{ pPk = sqlite3PrimaryKeyIndex(pTab); /* Bypass the creation of the PRIMARY KEY btree and the sqlite_master ** table entry. This is only required if currently generating VDBE ** code for a CREATE TABLE (not when parsing one as part of reading ** a database schema). */ if( v ){ assert( db->init.busy==0 ); sqlite3VdbeChangeOpcode(v, pPk->tnum, OP_Goto); } /* ** Remove all redundant columns from the PRIMARY KEY. For example, change ** "PRIMARY KEY(a,b,a,b,c,b,c,d)" into just "PRIMARY KEY(a,b,c,d)". Later ** code assumes the PRIMARY KEY contains no repeated columns. */ for(i=j=1; i<pPk->nKeyCol; i++){ if( hasColumn(pPk->aiColumn, j, pPk->aiColumn[i]) ){ ................................................................................ } pPk->nKeyCol = j; } assert( pPk!=0 ); pPk->isCovering = 1; if( !db->init.imposterTable ) pPk->uniqNotNull = 1; nPk = pPk->nKeyCol; /* The root page of the PRIMARY KEY is the table root page */ pPk->tnum = pTab->tnum; /* Update the in-memory representation of all UNIQUE indices by converting ** the final rowid column into one or more columns of the PRIMARY KEY. */ ................................................................................ return 0; } pItem = &pList->a[pList->nSrc-1]; if( pDatabase && pDatabase->z==0 ){ pDatabase = 0; } if( pDatabase ){ Token *pTemp = pDatabase; pDatabase = pTable; pTable = pTemp; } pItem->zName = sqlite3NameFromToken(db, pTable); pItem->zDatabase = sqlite3NameFromToken(db, pDatabase); return pList; } /* ** Assign VdbeCursor index numbers to all tables in a SrcList */ SQLITE_PRIVATE void sqlite3SrcListAssignCursors(Parse *pParse, SrcList *pList){ ................................................................................ sqlite3VdbeUsesBtree(v, i); } } sqlite3VdbeAddOp0(v, OP_AutoCommit); } /* ** Generate VDBE code for a COMMIT statement. */ SQLITE_PRIVATE void sqlite3CommitTransaction(Parse *pParse){ Vdbe *v; assert( pParse!=0 ); assert( pParse->db!=0 ); if( sqlite3AuthCheck(pParse, SQLITE_TRANSACTION, "COMMIT", 0, 0) ){ return; } v = sqlite3GetVdbe(pParse); if( v ){ sqlite3VdbeAddOp1(v, OP_AutoCommit, 1); } } /* ** Generate VDBE code for a ROLLBACK statement. */ SQLITE_PRIVATE void sqlite3RollbackTransaction(Parse *pParse){ Vdbe *v; assert( pParse!=0 ); assert( pParse->db!=0 ); if( sqlite3AuthCheck(pParse, SQLITE_TRANSACTION, "ROLLBACK", 0, 0) ){ return; } v = sqlite3GetVdbe(pParse); if( v ){ sqlite3VdbeAddOp2(v, OP_AutoCommit, 1, 1); } } /* ** This function is called by the parser when it parses a command to create, ** release or rollback an SQL savepoint. */ ................................................................................ sqlite3XPrintf(&errMsg, "index '%q'", pIdx->zName); }else{ for(j=0; j<pIdx->nKeyCol; j++){ char *zCol; assert( pIdx->aiColumn[j]>=0 ); zCol = pTab->aCol[pIdx->aiColumn[j]].zName; if( j ) sqlite3StrAccumAppend(&errMsg, ", ", 2); sqlite3XPrintf(&errMsg, "%s.%s", pTab->zName, zCol); } } zErr = sqlite3StrAccumFinish(&errMsg); sqlite3HaltConstraint(pParse, IsPrimaryKeyIndex(pIdx) ? SQLITE_CONSTRAINT_PRIMARYKEY : SQLITE_CONSTRAINT_UNIQUE, onError, zErr, P4_DYNAMIC, P5_ConstraintUnique); ................................................................................ ** ** If required, this routine calls the 'collation needed' callback to ** request a definition of the collating sequence. If this doesn't work, ** an equivalent collating sequence that uses a text encoding different ** from the main database is substituted, if one is available. */ SQLITE_PRIVATE int sqlite3CheckCollSeq(Parse *pParse, CollSeq *pColl){ if( pColl ){ const char *zName = pColl->zName; sqlite3 *db = pParse->db; CollSeq *p = sqlite3GetCollSeq(pParse, ENC(db), pColl, zName); if( !p ){ return SQLITE_ERROR; } assert( p==pColl ); ................................................................................ const char *zName, /* Name of the collating sequence */ int create /* Create a new entry if true */ ){ CollSeq *pColl; pColl = sqlite3HashFind(&db->aCollSeq, zName); if( 0==pColl && create ){ int nName = sqlite3Strlen30(zName); pColl = sqlite3DbMallocZero(db, 3*sizeof(*pColl) + nName + 1); if( pColl ){ CollSeq *pDel = 0; pColl[0].zName = (char*)&pColl[3]; pColl[0].enc = SQLITE_UTF8; pColl[1].zName = (char*)&pColl[3]; pColl[1].enc = SQLITE_UTF16LE; pColl[2].zName = (char*)&pColl[3]; pColl[2].enc = SQLITE_UTF16BE; memcpy(pColl[0].zName, zName, nName); pColl[0].zName[nName] = 0; pDel = sqlite3HashInsert(&db->aCollSeq, pColl[0].zName, pColl); /* If a malloc() failure occurred in sqlite3HashInsert(), it will ** return the pColl pointer to be deleted (because it wasn't added ** to the hash table). */ assert( pDel==0 || pDel==pColl ); ................................................................................ int nDef /* Length of the apDef[] list */ ){ int i; for(i=0; i<nDef; i++){ FuncDef *pOther; const char *zName = aDef[i].zName; int nName = sqlite3Strlen30(zName); int h = (sqlite3UpperToLower[(u8)zName[0]] + nName) % SQLITE_FUNC_HASH_SZ; pOther = functionSearch(h, zName); if( pOther ){ assert( pOther!=&aDef[i] && pOther->pNext!=&aDef[i] ); aDef[i].pNext = pOther->pNext; pOther->pNext = &aDef[i]; }else{ aDef[i].pNext = 0; ................................................................................ #ifndef SQLITE_OMIT_TRUNCATE_OPTIMIZATION /* Special case: A DELETE without a WHERE clause deletes everything. ** It is easier just to erase the whole table. Prior to version 3.6.5, ** this optimization caused the row change count (the value returned by ** API function sqlite3_count_changes) to be set incorrectly. ** ** The "rcauth==SQLITE_OK" terms is the ** IMPLEMENATION-OF: R-17228-37124 If the action code is SQLITE_DELETE and ** the callback returns SQLITE_IGNORE then the DELETE operation proceeds but ** the truncate optimization is disabled and all rows are deleted ** individually. */ if( rcauth==SQLITE_OK && pWhere==0 && !bComplex ................................................................................ iKey = ++pParse->nMem; nKey = 0; /* Zero tells OP_Found to use a composite key */ sqlite3VdbeAddOp4(v, OP_MakeRecord, iPk, nPk, iKey, sqlite3IndexAffinityStr(pParse->db, pPk), nPk); sqlite3VdbeAddOp4Int(v, OP_IdxInsert, iEphCur, iKey, iPk, nPk); }else{ /* Add the rowid of the row to be deleted to the RowSet */ nKey = 1; /* OP_Seek always uses a single rowid */ sqlite3VdbeAddOp2(v, OP_RowSetAdd, iRowSet, iKey); } } /* If this DELETE cannot use the ONEPASS strategy, this is the ** end of the WHERE loop */ if( eOnePass!=ONEPASS_OFF ){ ................................................................................ int j; int regBase; int nCol; if( piPartIdxLabel ){ if( pIdx->pPartIdxWhere ){ *piPartIdxLabel = sqlite3VdbeMakeLabel(v); pParse->iSelfTab = iDataCur; sqlite3ExprCachePush(pParse); sqlite3ExprIfFalseDup(pParse, pIdx->pPartIdxWhere, *piPartIdxLabel, SQLITE_JUMPIFNULL); }else{ *piPartIdxLabel = 0; } } nCol = (prefixOnly && pIdx->uniqNotNull) ? pIdx->nKeyCol : pIdx->nColumn; regBase = sqlite3GetTempRange(pParse, nCol); if( pPrior && (regBase!=regPrior || pPrior->pPartIdxWhere) ) pPrior = 0; ................................................................................ ** Return the type of the argument. */ static void typeofFunc( sqlite3_context *context, int NotUsed, sqlite3_value **argv ){ const char *z = 0; UNUSED_PARAMETER(NotUsed); switch( sqlite3_value_type(argv[0]) ){ case SQLITE_INTEGER: z = "integer"; break; case SQLITE_TEXT: z = "text"; break; case SQLITE_FLOAT: z = "real"; break; case SQLITE_BLOB: z = "blob"; break; default: z = "null"; break; } sqlite3_result_text(context, z, -1, SQLITE_STATIC); } /* ** Implementation of the length() function */ static void lengthFunc( ................................................................................ sNameContext.pSrcList = pSrc; sNameContext.pParse = pParse; sqlite3ResolveExprNames(&sNameContext, pWhere); /* Create VDBE to loop through the entries in pSrc that match the WHERE ** clause. For each row found, increment either the deferred or immediate ** foreign key constraint counter. */ pWInfo = sqlite3WhereBegin(pParse, pSrc, pWhere, 0, 0, 0, 0); sqlite3VdbeAddOp2(v, OP_FkCounter, pFKey->isDeferred, nIncr); if( pWInfo ){ sqlite3WhereEnd(pWInfo); } /* Clean up the WHERE clause constructed above. */ sqlite3ExprDelete(db, pWhere); if( iFkIfZero ){ sqlite3VdbeJumpHere(v, iFkIfZero); } ................................................................................ #ifndef SQLITE_OMIT_TRIGGER int isView; /* True if attempting to insert into a view */ Trigger *pTrigger; /* List of triggers on pTab, if required */ int tmask; /* Mask of trigger times */ #endif db = pParse->db; memset(&dest, 0, sizeof(dest)); if( pParse->nErr || db->mallocFailed ){ goto insert_cleanup; } /* If the Select object is really just a simple VALUES() list with a ** single row (the common case) then keep that one row of values ** and discard the other (unused) parts of the pSelect object */ if( pSelect && (pSelect->selFlags & SF_Values)!=0 && pSelect->pPrior==0 ){ pList = pSelect->pEList; ................................................................................ } /* Test all CHECK constraints */ #ifndef SQLITE_OMIT_CHECK if( pTab->pCheck && (db->flags & SQLITE_IgnoreChecks)==0 ){ ExprList *pCheck = pTab->pCheck; pParse->ckBase = regNewData+1; onError = overrideError!=OE_Default ? overrideError : OE_Abort; for(i=0; i<pCheck->nExpr; i++){ int allOk; Expr *pExpr = pCheck->a[i].pExpr; if( aiChng && checkConstraintUnchanged(pExpr, aiChng, pkChng) ) continue; allOk = sqlite3VdbeMakeLabel(v); sqlite3ExprIfTrue(pParse, pExpr, allOk, SQLITE_JUMPIFNULL); ................................................................................ if( onError==OE_Replace ) onError = OE_Abort; /* IMP: R-15569-63625 */ sqlite3HaltConstraint(pParse, SQLITE_CONSTRAINT_CHECK, onError, zName, P4_TRANSIENT, P5_ConstraintCheck); } sqlite3VdbeResolveLabel(v, allOk); } } #endif /* !defined(SQLITE_OMIT_CHECK) */ /* If rowid is changing, make sure the new rowid does not previously ** exist in the table. */ if( pkChng && pPk==0 ){ ................................................................................ } iThisCur = iIdxCur+ix; addrUniqueOk = sqlite3VdbeMakeLabel(v); /* Skip partial indices for which the WHERE clause is not true */ if( pIdx->pPartIdxWhere ){ sqlite3VdbeAddOp2(v, OP_Null, 0, aRegIdx[ix]); pParse->ckBase = regNewData+1; sqlite3ExprIfFalseDup(pParse, pIdx->pPartIdxWhere, addrUniqueOk, SQLITE_JUMPIFNULL); pParse->ckBase = 0; } /* Create a record for this index entry as it should appear after ** the insert or update. Store that record in the aRegIdx[ix] register */ regIdx = aRegIdx[ix]+1; for(i=0; i<pIdx->nColumn; i++){ int iField = pIdx->aiColumn[i]; int x; if( iField==XN_EXPR ){ pParse->ckBase = regNewData+1; sqlite3ExprCodeCopy(pParse, pIdx->aColExpr->a[i].pExpr, regIdx+i); pParse->ckBase = 0; VdbeComment((v, "%s column %d", pIdx->zName, i)); }else{ if( iField==XN_ROWID || iField==pTab->iPKey ){ x = regNewData; }else{ x = iField + regNewData + 1; } ................................................................................ } for(i=0; i<pSrc->nKeyCol; i++){ if( pSrc->aiColumn[i]!=pDest->aiColumn[i] ){ return 0; /* Different columns indexed */ } if( pSrc->aiColumn[i]==XN_EXPR ){ assert( pSrc->aColExpr!=0 && pDest->aColExpr!=0 ); if( sqlite3ExprCompare(pSrc->aColExpr->a[i].pExpr, pDest->aColExpr->a[i].pExpr, -1)!=0 ){ return 0; /* Different expressions in the index */ } } if( pSrc->aSortOrder[i]!=pDest->aSortOrder[i] ){ return 0; /* Different sort orders */ } if( sqlite3_stricmp(pSrc->azColl[i],pDest->azColl[i])!=0 ){ return 0; /* Different collating sequences */ } } if( sqlite3ExprCompare(pSrc->pPartIdxWhere, pDest->pPartIdxWhere, -1) ){ return 0; /* Different WHERE clauses */ } /* If no test above fails then the indices must be compatible */ return 1; } ................................................................................ exec_out: if( pStmt ) sqlite3VdbeFinalize((Vdbe *)pStmt); sqlite3DbFree(db, azCols); rc = sqlite3ApiExit(db, rc); if( rc!=SQLITE_OK && pzErrMsg ){ int nErrMsg = 1 + sqlite3Strlen30(sqlite3_errmsg(db)); *pzErrMsg = sqlite3Malloc(nErrMsg); if( *pzErrMsg ){ memcpy(*pzErrMsg, sqlite3_errmsg(db), nErrMsg); }else{ rc = SQLITE_NOMEM_BKPT; sqlite3Error(db, SQLITE_NOMEM); } }else if( pzErrMsg ){ *pzErrMsg = 0; } ................................................................................ /* Version 3.12.0 and later */ int (*system_errno)(sqlite3*); /* Version 3.14.0 and later */ int (*trace_v2)(sqlite3*,unsigned,int(*)(unsigned,void*,void*,void*),void*); char *(*expanded_sql)(sqlite3_stmt*); /* Version 3.18.0 and later */ void (*set_last_insert_rowid)(sqlite3*,sqlite3_int64); }; /* ** This is the function signature used for all extension entry points. It ** is also defined in the file "loadext.c". */ typedef int (*sqlite3_loadext_entry)( ................................................................................ /* Version 3.12.0 and later */ #define sqlite3_system_errno sqlite3_api->system_errno /* Version 3.14.0 and later */ #define sqlite3_trace_v2 sqlite3_api->trace_v2 #define sqlite3_expanded_sql sqlite3_api->expanded_sql /* Version 3.18.0 and later */ #define sqlite3_set_last_insert_rowid sqlite3_api->set_last_insert_rowid #endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */ #if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) /* This case when the file really is being compiled as a loadable ** extension */ # define SQLITE_EXTENSION_INIT1 const sqlite3_api_routines *sqlite3_api=0; # define SQLITE_EXTENSION_INIT2(v) sqlite3_api=v; ................................................................................ # define sqlite3_complete16 0 # define sqlite3_create_collation16 0 # define sqlite3_create_function16 0 # define sqlite3_errmsg16 0 # define sqlite3_open16 0 # define sqlite3_prepare16 0 # define sqlite3_prepare16_v2 0 # define sqlite3_result_error16 0 # define sqlite3_result_text16 0 # define sqlite3_result_text16be 0 # define sqlite3_result_text16le 0 # define sqlite3_value_text16 0 # define sqlite3_value_text16be 0 # define sqlite3_value_text16le 0 ................................................................................ sqlite3_db_cacheflush, /* Version 3.12.0 and later */ sqlite3_system_errno, /* Version 3.14.0 and later */ sqlite3_trace_v2, sqlite3_expanded_sql, /* Version 3.18.0 and later */ sqlite3_set_last_insert_rowid }; /* ** Attempt to load an SQLite extension library contained in the file ** zFile. The entry point is zProc. zProc may be 0 in which case a ** default entry point name (sqlite3_extension_init) is used. Use ** of the default name is recommended. ................................................................................ #define PragTyp_COMPILE_OPTIONS 8 #define PragTyp_DATA_STORE_DIRECTORY 9 #define PragTyp_DATABASE_LIST 10 #define PragTyp_DEFAULT_CACHE_SIZE 11 #define PragTyp_ENCODING 12 #define PragTyp_FOREIGN_KEY_CHECK 13 #define PragTyp_FOREIGN_KEY_LIST 14 #define PragTyp_INCREMENTAL_VACUUM 15 #define PragTyp_INDEX_INFO 16 #define PragTyp_INDEX_LIST 17 #define PragTyp_INTEGRITY_CHECK 18 #define PragTyp_JOURNAL_MODE 19 #define PragTyp_JOURNAL_SIZE_LIMIT 20 #define PragTyp_LOCK_PROXY_FILE 21 #define PragTyp_LOCKING_MODE 22 #define PragTyp_PAGE_COUNT 23 #define PragTyp_MMAP_SIZE 24 #define PragTyp_OPTIMIZE 25 #define PragTyp_PAGE_SIZE 26 #define PragTyp_SECURE_DELETE 27 #define PragTyp_SHRINK_MEMORY 28 #define PragTyp_SOFT_HEAP_LIMIT 29 #define PragTyp_SYNCHRONOUS 30 #define PragTyp_TABLE_INFO 31 #define PragTyp_TEMP_STORE 32 #define PragTyp_TEMP_STORE_DIRECTORY 33 #define PragTyp_THREADS 34 #define PragTyp_WAL_AUTOCHECKPOINT 35 #define PragTyp_WAL_CHECKPOINT 36 #define PragTyp_ACTIVATE_EXTENSIONS 37 #define PragTyp_HEXKEY 38 #define PragTyp_KEY 39 #define PragTyp_REKEY 40 #define PragTyp_LOCK_STATUS 41 #define PragTyp_PARSER_TRACE 42 #define PragTyp_STATS 43 /* Property flags associated with various pragma. */ #define PragFlg_NeedSchema 0x01 /* Force schema load before running */ #define PragFlg_NoColumns 0x02 /* OP_ResultRow called with zero columns */ #define PragFlg_NoColumns1 0x04 /* zero columns if RHS argument is present */ #define PragFlg_ReadOnly 0x08 /* Read-only HEADER_VALUE */ #define PragFlg_Result0 0x10 /* Acts as query when no argument */ ................................................................................ /* 22 */ "name", /* 23 */ "unique", /* 24 */ "origin", /* 25 */ "partial", /* 26 */ "seq", /* Used by: database_list */ /* 27 */ "name", /* 28 */ "file", /* 29 */ "seq", /* Used by: collation_list */ /* 30 */ "name", /* 31 */ "id", /* Used by: foreign_key_list */ /* 32 */ "seq", /* 33 */ "table", /* 34 */ "from", /* 35 */ "to", /* 36 */ "on_update", /* 37 */ "on_delete", /* 38 */ "match", /* 39 */ "table", /* Used by: foreign_key_check */ /* 40 */ "rowid", /* 41 */ "parent", /* 42 */ "fkid", /* 43 */ "busy", /* Used by: wal_checkpoint */ /* 44 */ "log", /* 45 */ "checkpointed", /* 46 */ "timeout", /* Used by: busy_timeout */ /* 47 */ "database", /* Used by: lock_status */ /* 48 */ "status", }; /* Definitions of all built-in pragmas */ typedef struct PragmaName { const char *const zName; /* Name of pragma */ u8 ePragTyp; /* PragTyp_XXX value */ u8 mPragFlg; /* Zero or more PragFlg_XXX values */ ................................................................................ /* ColNames: */ 0, 0, /* iArg: */ SQLITE_AutoIndex }, #endif #endif {/* zName: */ "busy_timeout", /* ePragTyp: */ PragTyp_BUSY_TIMEOUT, /* ePragFlg: */ PragFlg_Result0, /* ColNames: */ 46, 1, /* iArg: */ 0 }, #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) {/* zName: */ "cache_size", /* ePragTyp: */ PragTyp_CACHE_SIZE, /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result0|PragFlg_SchemaReq|PragFlg_NoColumns1, /* ColNames: */ 0, 0, /* iArg: */ 0 }, ................................................................................ /* ColNames: */ 0, 0, /* iArg: */ SQLITE_CkptFullFSync }, #endif #if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS) {/* zName: */ "collation_list", /* ePragTyp: */ PragTyp_COLLATION_LIST, /* ePragFlg: */ PragFlg_Result0, /* ColNames: */ 29, 2, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_COMPILEOPTION_DIAGS) {/* zName: */ "compile_options", /* ePragTyp: */ PragTyp_COMPILE_OPTIONS, /* ePragFlg: */ PragFlg_Result0, /* ColNames: */ 0, 0, ................................................................................ /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, /* ColNames: */ 0, 0, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER) {/* zName: */ "foreign_key_check", /* ePragTyp: */ PragTyp_FOREIGN_KEY_CHECK, /* ePragFlg: */ PragFlg_NeedSchema, /* ColNames: */ 39, 4, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_FOREIGN_KEY) {/* zName: */ "foreign_key_list", /* ePragTyp: */ PragTyp_FOREIGN_KEY_LIST, /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result1|PragFlg_SchemaOpt, /* ColNames: */ 31, 8, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_FLAG_PRAGMAS) #if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER) {/* zName: */ "foreign_keys", /* ePragTyp: */ PragTyp_FLAG, /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, ................................................................................ /* ColNames: */ 0, 0, /* iArg: */ SQLITE_FullColNames }, {/* zName: */ "fullfsync", /* ePragTyp: */ PragTyp_FLAG, /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, /* ColNames: */ 0, 0, /* iArg: */ SQLITE_FullFSync }, #endif #if defined(SQLITE_HAS_CODEC) {/* zName: */ "hexkey", /* ePragTyp: */ PragTyp_HEXKEY, /* ePragFlg: */ 0, /* ColNames: */ 0, 0, /* iArg: */ 0 }, ................................................................................ /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result1|PragFlg_SchemaOpt, /* ColNames: */ 15, 6, /* iArg: */ 1 }, #endif #if !defined(SQLITE_OMIT_INTEGRITY_CHECK) {/* zName: */ "integrity_check", /* ePragTyp: */ PragTyp_INTEGRITY_CHECK, /* ePragFlg: */ PragFlg_NeedSchema, /* ColNames: */ 0, 0, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) {/* zName: */ "journal_mode", /* ePragTyp: */ PragTyp_JOURNAL_MODE, /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result0|PragFlg_SchemaReq, ................................................................................ /* ColNames: */ 0, 0, /* iArg: */ 0 }, #endif #if defined(SQLITE_DEBUG) || defined(SQLITE_TEST) {/* zName: */ "lock_status", /* ePragTyp: */ PragTyp_LOCK_STATUS, /* ePragFlg: */ PragFlg_Result0, /* ColNames: */ 47, 2, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) {/* zName: */ "locking_mode", /* ePragTyp: */ PragTyp_LOCKING_MODE, /* ePragFlg: */ PragFlg_Result0|PragFlg_SchemaReq, /* ColNames: */ 0, 0, ................................................................................ /* ColNames: */ 0, 0, /* iArg: */ 0 }, {/* zName: */ "mmap_size", /* ePragTyp: */ PragTyp_MMAP_SIZE, /* ePragFlg: */ 0, /* ColNames: */ 0, 0, /* iArg: */ 0 }, #endif {/* zName: */ "optimize", /* ePragTyp: */ PragTyp_OPTIMIZE, /* ePragFlg: */ PragFlg_Result1|PragFlg_NeedSchema, /* ColNames: */ 0, 0, /* iArg: */ 0 }, #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) ................................................................................ #endif #if defined(SQLITE_DEBUG) && !defined(SQLITE_OMIT_PARSER_TRACE) {/* zName: */ "parser_trace", /* ePragTyp: */ PragTyp_PARSER_TRACE, /* ePragFlg: */ 0, /* ColNames: */ 0, 0, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_FLAG_PRAGMAS) {/* zName: */ "query_only", /* ePragTyp: */ PragTyp_FLAG, /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, /* ColNames: */ 0, 0, /* iArg: */ SQLITE_QueryOnly }, #endif #if !defined(SQLITE_OMIT_INTEGRITY_CHECK) {/* zName: */ "quick_check", /* ePragTyp: */ PragTyp_INTEGRITY_CHECK, /* ePragFlg: */ PragFlg_NeedSchema, /* ColNames: */ 0, 0, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_FLAG_PRAGMAS) {/* zName: */ "read_uncommitted", /* ePragTyp: */ PragTyp_FLAG, /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, /* ColNames: */ 0, 0, /* iArg: */ SQLITE_ReadUncommitted }, {/* zName: */ "recursive_triggers", /* ePragTyp: */ PragTyp_FLAG, /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, /* ColNames: */ 0, 0, /* iArg: */ SQLITE_RecTriggers }, #endif #if defined(SQLITE_HAS_CODEC) ................................................................................ /* ePragTyp: */ PragTyp_WAL_AUTOCHECKPOINT, /* ePragFlg: */ 0, /* ColNames: */ 0, 0, /* iArg: */ 0 }, {/* zName: */ "wal_checkpoint", /* ePragTyp: */ PragTyp_WAL_CHECKPOINT, /* ePragFlg: */ PragFlg_NeedSchema, /* ColNames: */ 43, 3, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_FLAG_PRAGMAS) {/* zName: */ "writable_schema", /* ePragTyp: */ PragTyp_FLAG, /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, /* ColNames: */ 0, 0, /* iArg: */ SQLITE_WriteSchema|SQLITE_RecoveryMode }, #endif }; /* Number of pragmas: 60 on by default, 74 total. */ /************** End of pragma.h **********************************************/ /************** Continuing where we left off in pragma.c *********************/ /* ** Interpret the given string as a safety level. Return 0 for OFF, ** 1 for ON or NORMAL, 2 for FULL, and 3 for EXTRA. Return 1 for an empty or ................................................................................ } } break; } /* ** PRAGMA [schema.]secure_delete ** PRAGMA [schema.]secure_delete=ON/OFF ** ** The first form reports the current setting for the ** secure_delete flag. The second form changes the secure_delete ** flag setting and reports thenew value. */ case PragTyp_SECURE_DELETE: { Btree *pBt = pDb->pBt; int b = -1; assert( pBt!=0 ); if( zRight ){ b = sqlite3GetBoolean(zRight, 0); } if( pId2->n==0 && b>=0 ){ int ii; for(ii=0; ii<db->nDb; ii++){ sqlite3BtreeSecureDelete(db->aDb[ii].pBt, b); } } ................................................................................ sqlite3VdbeMultiLoad(v, 1, "issisi", i-nHidden, pCol->zName, sqlite3ColumnType(pCol,""), pCol->notNull ? 1 : 0, pCol->pDflt ? pCol->pDflt->u.zToken : 0, k); sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 6); } } } break; #ifdef SQLITE_DEBUG case PragTyp_STATS: { ................................................................................ Table *pTab = sqliteHashData(i); sqlite3VdbeMultiLoad(v, 1, "ssiii", pTab->zName, 0, pTab->szTabRow, pTab->nRowLogEst, pTab->tabFlags); sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 5); for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){ sqlite3VdbeMultiLoad(v, 2, "siii", pIdx->zName, pIdx->szIdxRow, pIdx->aiRowLogEst[0], pIdx->hasStat1); sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 5); } } ................................................................................ pParse->nMem = 3; } pTab = pIdx->pTable; sqlite3CodeVerifySchema(pParse, iDb); assert( pParse->nMem<=pPragma->nPragCName ); for(i=0; i<mx; i++){ i16 cnum = pIdx->aiColumn[i]; sqlite3VdbeMultiLoad(v, 1, "iis", i, cnum, cnum<0 ? 0 : pTab->aCol[cnum].zName); if( pPragma->iArg ){ sqlite3VdbeMultiLoad(v, 4, "isi", pIdx->aSortOrder[i], pIdx->azColl[i], i<pIdx->nKeyCol); } sqlite3VdbeAddOp2(v, OP_ResultRow, 1, pParse->nMem); } } ................................................................................ const char *azOrigin[] = { "c", "u", "pk" }; sqlite3VdbeMultiLoad(v, 1, "isisi", i, pIdx->zName, IsUniqueIndex(pIdx), azOrigin[pIdx->idxType], pIdx->pPartIdxWhere!=0); sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 5); } } } break; case PragTyp_DATABASE_LIST: { int i; ................................................................................ for(i=0; i<db->nDb; i++){ if( db->aDb[i].pBt==0 ) continue; assert( db->aDb[i].zDbSName!=0 ); sqlite3VdbeMultiLoad(v, 1, "iss", i, db->aDb[i].zDbSName, sqlite3BtreeGetFilename(db->aDb[i].pBt)); sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 3); } } break; case PragTyp_COLLATION_LIST: { int i = 0; HashElem *p; pParse->nMem = 2; for(p=sqliteHashFirst(&db->aCollSeq); p; p=sqliteHashNext(p)){ CollSeq *pColl = (CollSeq *)sqliteHashData(p); sqlite3VdbeMultiLoad(v, 1, "is", i++, pColl->zName); sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 2); } } break; #endif /* SQLITE_OMIT_SCHEMA_PRAGMAS */ #ifndef SQLITE_OMIT_FOREIGN_KEY case PragTyp_FOREIGN_KEY_LIST: if( zRight ){ FKey *pFK; Table *pTab; pTab = sqlite3FindTable(db, zRight, zDb); ................................................................................ j, pFK->zTo, pTab->aCol[pFK->aCol[j].iFrom].zName, pFK->aCol[j].zCol, actionName(pFK->aAction[1]), /* ON UPDATE */ actionName(pFK->aAction[0]), /* ON DELETE */ "NONE"); sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 8); } ++i; pFK = pFK->pNextFrom; } } } } ................................................................................ /* Generate code to report an FK violation to the caller. */ if( HasRowid(pTab) ){ sqlite3VdbeAddOp2(v, OP_Rowid, 0, regResult+1); }else{ sqlite3VdbeAddOp2(v, OP_Null, 0, regResult+1); } sqlite3VdbeMultiLoad(v, regResult+2, "si", pFK->zTo, i-1); sqlite3VdbeAddOp2(v, OP_ResultRow, regResult, 4); sqlite3VdbeResolveLabel(v, addrOk); sqlite3DbFree(db, aiCols); } sqlite3VdbeAddOp2(v, OP_Next, 0, addrTop+1); VdbeCoverage(v); sqlite3VdbeJumpHere(v, addrTop); } ................................................................................ aRoot[cnt++] = pIdx->tnum; } } aRoot[cnt] = 0; /* Make sure sufficient number of registers have been allocated */ pParse->nMem = MAX( pParse->nMem, 8+mxIdx ); /* Do the b-tree integrity checks */ sqlite3VdbeAddOp4(v, OP_IntegrityCk, 2, cnt, 1, (char*)aRoot,P4_INTARRAY); sqlite3VdbeChangeP5(v, (u8)i); addr = sqlite3VdbeAddOp1(v, OP_IsNull, 2); VdbeCoverage(v); sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, sqlite3MPrintf(db, "*** in database %s ***\n", db->aDb[i].zDbSName), ................................................................................ if( pTab->pCheck && (db->flags & SQLITE_IgnoreChecks)==0 ){ ExprList *pCheck = sqlite3ExprListDup(db, pTab->pCheck, 0); if( db->mallocFailed==0 ){ int addrCkFault = sqlite3VdbeMakeLabel(v); int addrCkOk = sqlite3VdbeMakeLabel(v); char *zErr; int k; pParse->iSelfTab = iDataCur; sqlite3ExprCachePush(pParse); for(k=pCheck->nExpr-1; k>0; k--){ sqlite3ExprIfFalse(pParse, pCheck->a[k].pExpr, addrCkFault, 0); } sqlite3ExprIfTrue(pParse, pCheck->a[0].pExpr, addrCkOk, SQLITE_JUMPIFNULL); sqlite3VdbeResolveLabel(v, addrCkFault); zErr = sqlite3MPrintf(db, "CHECK constraint failed in %s", pTab->zName); sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, zErr, P4_DYNAMIC); integrityCheckResultRow(v, 3); sqlite3VdbeResolveLabel(v, addrCkOk); sqlite3ExprCachePop(pParse); } ................................................................................ ** information from the current session in the ** database file so that it will be available to "optimize" ** pragmas run by future database connections. ** ** 0x0008 (Not yet implemented) Create indexes that might have ** been helpful to recent queries ** ** The default MASK is and always shall be 0xfffe. 0xfffe means perform all ** of the optimizations listed above except Debug Mode, including new ** optimizations that have not yet been invented. If new optimizations are ** ever added that should be off by default, those off-by-default ** optimizations will have bitmasks of 0x10000 or larger. ** ** DETERMINATION OF WHEN TO RUN ANALYZE ** ** In the current implementation, a table is analyzed if only if all of ................................................................................ if( pBt==0 || sqlite3BtreePager(pBt)==0 ){ zState = "closed"; }else if( sqlite3_file_control(db, i ? db->aDb[i].zDbSName : 0, SQLITE_FCNTL_LOCKSTATE, &j)==SQLITE_OK ){ zState = azLockName[j]; } sqlite3VdbeMultiLoad(v, 1, "ss", db->aDb[i].zDbSName, zState); sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 2); } break; } #endif #ifdef SQLITE_HAS_CODEC case PragTyp_KEY: { ................................................................................ char *zSql; UNUSED_PARAMETER(idxNum); UNUSED_PARAMETER(idxStr); pragmaVtabCursorClear(pCsr); j = (pTab->pName->mPragFlg & PragFlg_Result1)!=0 ? 0 : 1; for(i=0; i<argc; i++, j++){ assert( j<ArraySize(pCsr->azArg) ); pCsr->azArg[j] = sqlite3_mprintf("%s", sqlite3_value_text(argv[i])); if( pCsr->azArg[j]==0 ){ return SQLITE_NOMEM; } } sqlite3StrAccumInit(&acc, 0, 0, 0, pTab->db->aLimit[SQLITE_LIMIT_SQL_LENGTH]); sqlite3StrAccumAppendAll(&acc, "PRAGMA "); if( pCsr->azArg[1] ){ sqlite3XPrintf(&acc, "%Q.", pCsr->azArg[1]); } ................................................................................ */ static void corruptSchema( InitData *pData, /* Initialization context */ const char *zObj, /* Object being parsed at the point of error */ const char *zExtra /* Error information */ ){ sqlite3 *db = pData->db; if( !db->mallocFailed && (db->flags & SQLITE_RecoveryMode)==0 ){ char *z; if( zObj==0 ) zObj = "?"; z = sqlite3MPrintf(db, "malformed database schema (%s)", zObj); if( zExtra ) z = sqlite3MPrintf(db, "%z - %s", z, zExtra); sqlite3DbFree(db, *pData->pzErrMsg); *pData->pzErrMsg = z; } ................................................................................ } #endif } if( db->mallocFailed ){ rc = SQLITE_NOMEM_BKPT; sqlite3ResetAllSchemasOfConnection(db); } if( rc==SQLITE_OK || (db->flags&SQLITE_RecoveryMode)){ /* Black magic: If the SQLITE_RecoveryMode flag is set, then consider ** the schema loaded, even if errors occurred. In this situation the ** current sqlite3_prepare() operation will fail, but the following one ** will attempt to compile the supplied statement against whatever subset ** of the schema was loaded before the error occurred. The primary ** purpose of this is to allow access to the sqlite_master table ** even when its contents have been corrupted. */ ................................................................................ /* ** Compile the UTF-8 encoded SQL statement zSql into a statement handle. */ static int sqlite3Prepare( sqlite3 *db, /* Database handle. */ const char *zSql, /* UTF-8 encoded SQL statement. */ int nBytes, /* Length of zSql in bytes. */ int saveSqlFlag, /* True to copy SQL text into the sqlite3_stmt */ Vdbe *pReprepare, /* VM being reprepared */ sqlite3_stmt **ppStmt, /* OUT: A pointer to the prepared statement */ const char **pzTail /* OUT: End of parsed string */ ){ char *zErrMsg = 0; /* Error message */ int rc = SQLITE_OK; /* Result code */ int i; /* Loop counter */ ................................................................................ memset(&sParse, 0, PARSE_HDR_SZ); memset(PARSE_TAIL(&sParse), 0, PARSE_TAIL_SZ); sParse.pReprepare = pReprepare; assert( ppStmt && *ppStmt==0 ); /* assert( !db->mallocFailed ); // not true with SQLITE_USE_ALLOCA */ assert( sqlite3_mutex_held(db->mutex) ); /* Check to verify that it is possible to get a read lock on all ** database schemas. The inability to get a read lock indicates that ** some other database connection is holding a write-lock, which in ** turn means that the other connection has made uncommitted changes ** to the schema. ** ................................................................................ Btree *pBt = db->aDb[i].pBt; if( pBt ){ assert( sqlite3BtreeHoldsMutex(pBt) ); rc = sqlite3BtreeSchemaLocked(pBt); if( rc ){ const char *zDb = db->aDb[i].zDbSName; sqlite3ErrorWithMsg(db, rc, "database schema is locked: %s", zDb); testcase( db->flags & SQLITE_ReadUncommitted ); goto end_prepare; } } } sqlite3VtabUnlockList(db); ................................................................................ sqlite3VdbeSetColName(sParse.pVdbe, i-iFirst, COLNAME_NAME, azColName[i], SQLITE_STATIC); } } #endif if( db->init.busy==0 ){ Vdbe *pVdbe = sParse.pVdbe; sqlite3VdbeSetSql(pVdbe, zSql, (int)(sParse.zTail-zSql), saveSqlFlag); } if( sParse.pVdbe && (rc!=SQLITE_OK || db->mallocFailed) ){ sqlite3VdbeFinalize(sParse.pVdbe); assert(!(*ppStmt)); }else{ *ppStmt = (sqlite3_stmt*)sParse.pVdbe; } ................................................................................ assert( (rc&db->errMask)==rc ); return rc; } static int sqlite3LockAndPrepare( sqlite3 *db, /* Database handle. */ const char *zSql, /* UTF-8 encoded SQL statement. */ int nBytes, /* Length of zSql in bytes. */ int saveSqlFlag, /* True to copy SQL text into the sqlite3_stmt */ Vdbe *pOld, /* VM being reprepared */ sqlite3_stmt **ppStmt, /* OUT: A pointer to the prepared statement */ const char **pzTail /* OUT: End of parsed string */ ){ int rc; #ifdef SQLITE_ENABLE_API_ARMOR ................................................................................ #endif *ppStmt = 0; if( !sqlite3SafetyCheckOk(db)||zSql==0 ){ return SQLITE_MISUSE_BKPT; } sqlite3_mutex_enter(db->mutex); sqlite3BtreeEnterAll(db); rc = sqlite3Prepare(db, zSql, nBytes, saveSqlFlag, pOld, ppStmt, pzTail); if( rc==SQLITE_SCHEMA ){ sqlite3_finalize(*ppStmt); rc = sqlite3Prepare(db, zSql, nBytes, saveSqlFlag, pOld, ppStmt, pzTail); } sqlite3BtreeLeaveAll(db); sqlite3_mutex_leave(db->mutex); assert( rc==SQLITE_OK || *ppStmt==0 ); return rc; } ................................................................................ ** occurs, return SQLITE_SCHEMA. */ SQLITE_PRIVATE int sqlite3Reprepare(Vdbe *p){ int rc; sqlite3_stmt *pNew; const char *zSql; sqlite3 *db; assert( sqlite3_mutex_held(sqlite3VdbeDb(p)->mutex) ); zSql = sqlite3_sql((sqlite3_stmt *)p); assert( zSql!=0 ); /* Reprepare only called for prepare_v2() statements */ db = sqlite3VdbeDb(p); assert( sqlite3_mutex_held(db->mutex) ); rc = sqlite3LockAndPrepare(db, zSql, -1, 0, p, &pNew, 0); if( rc ){ if( rc==SQLITE_NOMEM ){ sqlite3OomFault(db); } assert( pNew==0 ); return rc; }else{ ................................................................................ sqlite3 *db, /* Database handle. */ const char *zSql, /* UTF-8 encoded SQL statement. */ int nBytes, /* Length of zSql in bytes. */ sqlite3_stmt **ppStmt, /* OUT: A pointer to the prepared statement */ const char **pzTail /* OUT: End of parsed string */ ){ int rc; rc = sqlite3LockAndPrepare(db,zSql,nBytes,1,0,ppStmt,pzTail); assert( rc==SQLITE_OK || ppStmt==0 || *ppStmt==0 ); /* VERIFY: F13021 */ return rc; } #ifndef SQLITE_OMIT_UTF16 /* ** Compile the UTF-16 encoded SQL statement zSql into a statement handle. */ static int sqlite3Prepare16( sqlite3 *db, /* Database handle. */ const void *zSql, /* UTF-16 encoded SQL statement. */ int nBytes, /* Length of zSql in bytes. */ int saveSqlFlag, /* True to save SQL text into the sqlite3_stmt */ sqlite3_stmt **ppStmt, /* OUT: A pointer to the prepared statement */ const void **pzTail /* OUT: End of parsed string */ ){ /* This function currently works by first transforming the UTF-16 ** encoded string to UTF-8, then invoking sqlite3_prepare(). The ** tricky bit is figuring out the pointer to return in *pzTail. */ ................................................................................ const char *z = (const char*)zSql; for(sz=0; sz<nBytes && (z[sz]!=0 || z[sz+1]!=0); sz += 2){} nBytes = sz; } sqlite3_mutex_enter(db->mutex); zSql8 = sqlite3Utf16to8(db, zSql, nBytes, SQLITE_UTF16NATIVE); if( zSql8 ){ rc = sqlite3LockAndPrepare(db, zSql8, -1, saveSqlFlag, 0, ppStmt, &zTail8); } if( zTail8 && pzTail ){ /* If sqlite3_prepare returns a tail pointer, we calculate the ** equivalent pointer into the UTF-16 string by counting the unicode ** characters between zSql8 and zTail8, and then returning a pointer ** the same number of characters into the UTF-16 string. ................................................................................ sqlite3 *db, /* Database handle. */ const void *zSql, /* UTF-16 encoded SQL statement. */ int nBytes, /* Length of zSql in bytes. */ sqlite3_stmt **ppStmt, /* OUT: A pointer to the prepared statement */ const void **pzTail /* OUT: End of parsed string */ ){ int rc; rc = sqlite3Prepare16(db,zSql,nBytes,1,ppStmt,pzTail); assert( rc==SQLITE_OK || ppStmt==0 || *ppStmt==0 ); /* VERIFY: F13021 */ return rc; } #endif /* SQLITE_OMIT_UTF16 */ /************** End of prepare.c *********************************************/ ................................................................................ } /* ** Allocate a KeyInfo object sufficient for an index of N key columns and ** X extra columns. */ SQLITE_PRIVATE KeyInfo *sqlite3KeyInfoAlloc(sqlite3 *db, int N, int X){ int nExtra = (N+X)*(sizeof(CollSeq*)+1); KeyInfo *p = sqlite3DbMallocRawNN(db, sizeof(KeyInfo) + nExtra); if( p ){ p->aSortOrder = (u8*)&p->aColl[N+X]; p->nField = (u16)N; p->nXField = (u16)X; p->enc = ENC(db); p->db = db; ................................................................................ assert( pTab && pExpr->pTab==pTab ); if( pS ){ /* The "table" is actually a sub-select or a view in the FROM clause ** of the SELECT statement. Return the declaration type and origin ** data for the result-set column of the sub-select. */ if( iCol>=0 && ALWAYS(iCol<pS->pEList->nExpr) ){ /* If iCol is less than zero, then the expression requests the ** rowid of the sub-select or view. This expression is legal (see ** test case misc2.2.2) - it always evaluates to NULL. ** ** The ALWAYS() is because iCol>=pS->pEList->nExpr will have been ** caught already by name resolution. */ NameContext sNC; Expr *p = pS->pEList->a[iCol].pExpr; sNC.pSrcList = pS->pSrc; sNC.pNext = pNC; sNC.pParse = pNC->pParse; zType = columnType(&sNC, p,&zOrigDb,&zOrigTab,&zOrigCol, &estWidth); ................................................................................ zType = columnType(&sNC, p, 0, 0, 0, 0); #endif sqlite3VdbeSetColName(v, i, COLNAME_DECLTYPE, zType, SQLITE_TRANSIENT); } #endif /* !defined(SQLITE_OMIT_DECLTYPE) */ } /* ** Return the Table objecct in the SrcList that has cursor iCursor. ** Or return NULL if no such Table object exists in the SrcList. */ static Table *tableWithCursor(SrcList *pList, int iCursor){ int j; for(j=0; j<pList->nSrc; j++){ if( pList->a[j].iCursor==iCursor ) return pList->a[j].pTab; } return 0; } /* ** Generate code that will tell the VDBE the names of columns ** in the result set. This information is used to provide the ** azCol[] values in the callback. */ static void generateColumnNames( Parse *pParse, /* Parser context */ SrcList *pTabList, /* List of tables */ ExprList *pEList /* Expressions defining the result set */ ){ Vdbe *v = pParse->pVdbe; int i; Table *pTab; sqlite3 *db = pParse->db; int fullNames, shortNames; #ifndef SQLITE_OMIT_EXPLAIN /* If this is an EXPLAIN, skip this step */ if( pParse->explain ){ return; } #endif if( pParse->colNamesSet || db->mallocFailed ) return; assert( v!=0 ); assert( pTabList!=0 ); pParse->colNamesSet = 1; fullNames = (db->flags & SQLITE_FullColNames)!=0; shortNames = (db->flags & SQLITE_ShortColNames)!=0; sqlite3VdbeSetNumCols(v, pEList->nExpr); for(i=0; i<pEList->nExpr; i++){ Expr *p; p = pEList->a[i].pExpr; if( NEVER(p==0) ) continue; if( pEList->a[i].zName ){ char *zName = pEList->a[i].zName; sqlite3VdbeSetColName(v, i, COLNAME_NAME, zName, SQLITE_TRANSIENT); }else if( (p->op==TK_COLUMN || p->op==TK_AGG_COLUMN) && (pTab = tableWithCursor(pTabList, p->iTable))!=0 ){ char *zCol; int iCol = p->iColumn; if( iCol<0 ) iCol = pTab->iPKey; assert( iCol==-1 || (iCol>=0 && iCol<pTab->nCol) ); if( iCol<0 ){ zCol = "rowid"; }else{ zCol = pTab->aCol[iCol].zName; } if( !shortNames && !fullNames ){ sqlite3VdbeSetColName(v, i, COLNAME_NAME, sqlite3DbStrDup(db, pEList->a[i].zSpan), SQLITE_DYNAMIC); }else if( fullNames ){ char *zName = 0; zName = sqlite3MPrintf(db, "%s.%s", pTab->zName, zCol); sqlite3VdbeSetColName(v, i, COLNAME_NAME, zName, SQLITE_DYNAMIC); }else{ sqlite3VdbeSetColName(v, i, COLNAME_NAME, zCol, SQLITE_TRANSIENT); } }else{ ................................................................................ ** All column names will be unique. ** ** Only the column names are computed. Column.zType, Column.zColl, ** and other fields of Column are zeroed. ** ** Return SQLITE_OK on success. If a memory allocation error occurs, ** store NULL in *paCol and 0 in *pnCol and return SQLITE_NOMEM. */ SQLITE_PRIVATE int sqlite3ColumnsFromExprList( Parse *pParse, /* Parsing context */ ExprList *pEList, /* Expr list from which to derive column names */ i16 *pnCol, /* Write the number of columns here */ Column **paCol /* Write the new column list here */ ){ sqlite3 *db = pParse->db; /* Database connection */ int i, j; /* Loop counters */ u32 cnt; /* Index added to make the name unique */ Column *aCol, *pCol; /* For looping over result columns */ int nCol; /* Number of columns in the result set */ Expr *p; /* Expression for a single result column */ char *zName; /* Column name */ int nName; /* Size of name in zName[] */ Hash ht; /* Hash table of column names */ sqlite3HashInit(&ht); if( pEList ){ nCol = pEList->nExpr; ................................................................................ assert( nCol==(i16)nCol ); *pnCol = nCol; *paCol = aCol; for(i=0, pCol=aCol; i<nCol && !db->mallocFailed; i++, pCol++){ /* Get an appropriate name for the column */ p = sqlite3ExprSkipCollate(pEList->a[i].pExpr); if( (zName = pEList->a[i].zName)!=0 ){ /* If the column contains an "AS <name>" phrase, use <name> as the name */ }else{ Expr *pColExpr = p; /* The expression that is the result column name */ Table *pTab; /* Table associated with this expression */ while( pColExpr->op==TK_DOT ){ pColExpr = pColExpr->pRight; assert( pColExpr!=0 ); } if( pColExpr->op==TK_COLUMN && pColExpr->pTab!=0 ){ /* For columns use the column name name */ int iCol = pColExpr->iColumn; pTab = pColExpr->pTab; if( iCol<0 ) iCol = pTab->iPKey; zName = iCol>=0 ? pTab->aCol[iCol].zName : "rowid"; }else if( pColExpr->op==TK_ID ){ assert( !ExprHasProperty(pColExpr, EP_IntValue) ); zName = pColExpr->u.zToken; }else{ /* Use the original text of the column expression as its name */ zName = pEList->a[i].zSpan; } } zName = sqlite3MPrintf(db, "%s", zName); /* Make sure the column name is unique. If the name is not unique, ** append an integer to the name so that it becomes unique. */ cnt = 0; while( zName && sqlite3HashFind(&ht, zName)!=0 ){ nName = sqlite3Strlen30(zName); ................................................................................ /* Convert the data in the temporary table into whatever form ** it is that we currently need. */ assert( unionTab==dest.iSDParm || dest.eDest!=priorOp ); if( dest.eDest!=priorOp ){ int iCont, iBreak, iStart; assert( p->pEList ); if( dest.eDest==SRT_Output ){ Select *pFirst = p; while( pFirst->pPrior ) pFirst = pFirst->pPrior; generateColumnNames(pParse, pFirst->pSrc, pFirst->pEList); } iBreak = sqlite3VdbeMakeLabel(v); iCont = sqlite3VdbeMakeLabel(v); computeLimitRegisters(pParse, p, iBreak); sqlite3VdbeAddOp2(v, OP_Rewind, unionTab, iBreak); VdbeCoverage(v); iStart = sqlite3VdbeCurrentAddr(v); selectInnerLoop(pParse, p, p->pEList, unionTab, 0, 0, &dest, iCont, iBreak); ................................................................................ p->pLimit = pLimit; p->pOffset = pOffset; /* Generate code to take the intersection of the two temporary ** tables. */ assert( p->pEList ); if( dest.eDest==SRT_Output ){ Select *pFirst = p; while( pFirst->pPrior ) pFirst = pFirst->pPrior; generateColumnNames(pParse, pFirst->pSrc, pFirst->pEList); } iBreak = sqlite3VdbeMakeLabel(v); iCont = sqlite3VdbeMakeLabel(v); computeLimitRegisters(pParse, p, iBreak); sqlite3VdbeAddOp2(v, OP_Rewind, tab1, iBreak); VdbeCoverage(v); r1 = sqlite3GetTempReg(pParse); iStart = sqlite3VdbeAddOp2(v, OP_RowData, tab1, r1); sqlite3VdbeAddOp4Int(v, OP_NotFound, tab2, iCont, r1, 0); VdbeCoverage(v); ................................................................................ sqlite3VdbeChangeP5(v, OPFLAG_PERMUTE); sqlite3VdbeAddOp3(v, OP_Jump, addrAltB, addrAeqB, addrAgtB); VdbeCoverage(v); /* Jump to the this point in order to terminate the query. */ sqlite3VdbeResolveLabel(v, labelEnd); /* Set the number of output columns */ if( pDest->eDest==SRT_Output ){ Select *pFirst = pPrior; while( pFirst->pPrior ) pFirst = pFirst->pPrior; generateColumnNames(pParse, pFirst->pSrc, pFirst->pEList); } /* Reassembly the compound query so that it will be freed correctly ** by the calling function */ if( p->pPrior ){ sqlite3SelectDelete(db, p->pPrior); } p->pPrior = pPrior; pPrior->pNext = p; ................................................................................ memset(&ifNullRow, 0, sizeof(ifNullRow)); ifNullRow.op = TK_IF_NULL_ROW; ifNullRow.pLeft = pCopy; ifNullRow.iTable = pSubst->iNewTable; pCopy = &ifNullRow; } pNew = sqlite3ExprDup(db, pCopy, 0); if( pNew && (pExpr->flags & EP_FromJoin) ){ pNew->iRightJoinTable = pExpr->iRightJoinTable; pNew->flags |= EP_FromJoin; } sqlite3ExprDelete(db, pExpr); pExpr = pNew; } } }else{ if( pExpr->op==TK_IF_NULL_ROW && pExpr->iTable==pSubst->iTable ){ ................................................................................ ** ** (2) The subquery is not an aggregate or (2a) the outer query is not a join ** and (2b) the outer query does not use subqueries other than the one ** FROM-clause subquery that is a candidate for flattening. (2b is ** due to ticket [2f7170d73bf9abf80] from 2015-02-09.) ** ** (3) The subquery is not the right operand of a LEFT JOIN ** or the subquery is not itself a join and the outer query is not ** an aggregate. ** ** (4) The subquery is not DISTINCT. ** ** (**) At one point restrictions (4) and (5) defined a subset of DISTINCT ** sub-queries that were excluded from this optimization. Restriction ** (4) has since been expanded to exclude all DISTINCT subqueries. ** ................................................................................ ){ const char *zSavedAuthContext = pParse->zAuthContext; Select *pParent; /* Current UNION ALL term of the other query */ Select *pSub; /* The inner query or "subquery" */ Select *pSub1; /* Pointer to the rightmost select in sub-query */ SrcList *pSrc; /* The FROM clause of the outer query */ SrcList *pSubSrc; /* The FROM clause of the subquery */ ExprList *pList; /* The result set of the outer query */ int iParent; /* VDBE cursor number of the pSub result set temp table */ int iNewParent = -1;/* Replacement table for iParent */ int isLeftJoin = 0; /* True if pSub is the right side of a LEFT JOIN */ int i; /* Loop counter */ Expr *pWhere; /* The WHERE clause */ struct SrcList_item *pSubitem; /* The subquery */ sqlite3 *db = pParse->db; ................................................................................ ** ** (t1 LEFT OUTER JOIN t2) JOIN t3 ** ** which is not at all the same thing. ** ** If the subquery is the right operand of a LEFT JOIN, then the outer ** query cannot be an aggregate. This is an artifact of the way aggregates ** are processed - there is not mechanism to determine if the LEFT JOIN ** table should be all-NULL. ** ** See also tickets #306, #350, and #3300. */ if( (pSubitem->fg.jointype & JT_OUTER)!=0 ){ isLeftJoin = 1; if( pSubSrc->nSrc>1 || isAgg ){ return 0; /* Restriction (3) */ } } #ifdef SQLITE_EXTRA_IFNULLROW else if( iFrom>0 && !isAgg ){ /* Setting isLeftJoin to -1 causes OP_IfNullRow opcodes to be generated for ** every reference to any result column from subquery in a join, even though ................................................................................ ** SELECT a+5, b*10 FROM (SELECT x*3 AS a, y+10 AS b FROM t1) WHERE a>b; ** \ \_____________ subquery __________/ / ** \_____________________ outer query ______________________________/ ** ** We look at every expression in the outer query and every place we see ** "a" we substitute "x*3" and every place we see "b" we substitute "y+10". */ pList = pParent->pEList; for(i=0; i<pList->nExpr; i++){ if( pList->a[i].zName==0 ){ char *zName = sqlite3DbStrDup(db, pList->a[i].zSpan); sqlite3Dequote(zName); pList->a[i].zName = zName; } } if( pSub->pOrderBy ){ /* At this point, any non-zero iOrderByCol values indicate that the ** ORDER BY column expression is identical to the iOrderByCol'th ** expression returned by SELECT statement pSub. Since these values ** do not necessarily correspond to columns in SELECT statement pParent, ** zero them before transfering the ORDER BY clause. ** ................................................................................ ** subquery in the parser tree. */ SQLITE_PRIVATE int sqlite3ExprWalkNoop(Walker *NotUsed, Expr *NotUsed2){ UNUSED_PARAMETER2(NotUsed, NotUsed2); return WRC_Continue; } /* ** This routine "expands" a SELECT statement and all of its subqueries. ** For additional information on what it means to "expand" a SELECT ** statement, see the comment on the selectExpand worker callback above. ** ** Expanding a SELECT statement is the first step in processing a ** SELECT statement. The SELECT statement must be expanded before ................................................................................ ** ** If anything goes wrong, an error message is written into pParse. ** The calling function can detect the problem by looking at pParse->nErr ** and/or pParse->db->mallocFailed. */ static void sqlite3SelectExpand(Parse *pParse, Select *pSelect){ Walker w; memset(&w, 0, sizeof(w)); w.xExprCallback = sqlite3ExprWalkNoop; w.pParse = pParse; if( pParse->hasCompound ){ w.xSelectCallback = convertCompoundSelectToSubquery; sqlite3WalkSelect(&w, pSelect); } w.xSelectCallback = selectExpander; w.xSelectCallback2 = selectPopWith; sqlite3WalkSelect(&w, pSelect); } ................................................................................ ** SELECT statement. ** ** Use this routine after name resolution. */ static void sqlite3SelectAddTypeInfo(Parse *pParse, Select *pSelect){ #ifndef SQLITE_OMIT_SUBQUERY Walker w; memset(&w, 0, sizeof(w)); w.xSelectCallback2 = selectAddSubqueryTypeInfo; w.xExprCallback = sqlite3ExprWalkNoop; w.pParse = pParse; sqlite3WalkSelect(&w, pSelect); #endif } ................................................................................ struct SrcList_item *pItem; for(pItem = pTabList->a; pItem<pThis; pItem++){ if( pItem->pSelect==0 ) continue; if( pItem->fg.viaCoroutine ) continue; if( pItem->zName==0 ) continue; if( sqlite3_stricmp(pItem->zDatabase, pThis->zDatabase)!=0 ) continue; if( sqlite3_stricmp(pItem->zName, pThis->zName)!=0 ) continue; if( sqlite3ExprCompare(pThis->pSelect->pWhere, pItem->pSelect->pWhere, -1) ){ /* The view was modified by some other optimization such as ** pushDownWhereTerms() */ continue; } return pItem; } return 0; } /* ** Generate code for the SELECT statement given in the p argument. ** ** The results are returned according to the SelectDest structure. ** See comments in sqliteInt.h for further information. ** ** This routine returns the number of errors. If any errors are ................................................................................ isAgg = (p->selFlags & SF_Aggregate)!=0; #if SELECTTRACE_ENABLED if( sqlite3SelectTrace & 0x100 ){ SELECTTRACE(0x100,pParse,p, ("after name resolution:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif /* Try to flatten subqueries in the FROM clause up into the main query */ #if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) for(i=0; !p->pPrior && i<pTabList->nSrc; i++){ struct SrcList_item *pItem = &pTabList->a[i]; Select *pSub = pItem->pSelect; ................................................................................ if( db->mallocFailed ) goto select_end; if( !IgnorableOrderby(pDest) ){ sSort.pOrderBy = p->pOrderBy; } } #endif /* Get a pointer the VDBE under construction, allocating a new VDBE if one ** does not already exist */ v = sqlite3GetVdbe(pParse); if( v==0 ) goto select_end; #ifndef SQLITE_OMIT_COMPOUND_SELECT /* Handle compound SELECT statements using the separate multiSelect() ** procedure. */ if( p->pPrior ){ rc = multiSelect(pParse, p, pDest); explainSetInteger(pParse->iSelectId, iRestoreSelectId); ................................................................................ VdbeComment((v, "materialize \"%s\"", pItem->pTab->zName)); }else{ VdbeNoopComment((v, "materialize \"%s\"", pItem->pTab->zName)); } pPrior = isSelfJoinView(pTabList, pItem); if( pPrior ){ sqlite3VdbeAddOp2(v, OP_OpenDup, pItem->iCursor, pPrior->iCursor); }else{ sqlite3SelectDestInit(&dest, SRT_EphemTab, pItem->iCursor); explainSetInteger(pItem->iSelectId, (u8)pParse->iNextSelectId); sqlite3Select(pParse, pSub, &dest); } pItem->pTab->nRowLogEst = pSub->nSelectRow; if( onceAddr ) sqlite3VdbeJumpHere(v, onceAddr); ................................................................................ #if SELECTTRACE_ENABLED if( sqlite3SelectTrace & 0x400 ){ SELECTTRACE(0x400,pParse,p,("After all FROM-clause analysis:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif /* If the query is DISTINCT with an ORDER BY but is not an aggregate, and ** if the select-list is the same as the ORDER BY list, then this query ** can be rewritten as a GROUP BY. In other words, this: ** ** SELECT DISTINCT xyz FROM ... ORDER BY xyz ** ................................................................................ /* Control jumps to here if an error is encountered above, or upon ** successful coding of the SELECT. */ select_end: explainSetInteger(pParse->iSelectId, iRestoreSelectId); /* Identify column names if results of the SELECT are to be output. */ if( rc==SQLITE_OK && pDest->eDest==SRT_Output ){ generateColumnNames(pParse, pTabList, pEList); } sqlite3DbFree(db, sAggInfo.aCol); sqlite3DbFree(db, sAggInfo.aFunc); #if SELECTTRACE_ENABLED SELECTTRACE(1,pParse,p,("end processing\n")); pParse->nSelectIndent--; #endif return rc; ................................................................................ char *z; /* Make an entry in the sqlite_master table */ v = sqlite3GetVdbe(pParse); if( v==0 ) goto triggerfinish_cleanup; sqlite3BeginWriteOperation(pParse, 0, iDb); z = sqlite3DbStrNDup(db, (char*)pAll->z, pAll->n); sqlite3NestedParse(pParse, "INSERT INTO %Q.%s VALUES('trigger',%Q,%Q,0,'CREATE TRIGGER %q')", db->aDb[iDb].zDbSName, MASTER_NAME, zName, pTrig->table, z); sqlite3DbFree(db, z); sqlite3ChangeCookie(pParse, iDb); sqlite3VdbeAddParseSchemaOp(v, iDb, ................................................................................ /* A VACUUM cannot change the pagesize of an encrypted database. */ #ifdef SQLITE_HAS_CODEC if( db->nextPagesize ){ extern void sqlite3CodecGetKey(sqlite3*, int, void**, int*); int nKey; char *zKey; sqlite3CodecGetKey(db, 0, (void**)&zKey, &nKey); if( nKey ) db->nextPagesize = 0; } #endif sqlite3BtreeSetCacheSize(pTemp, db->aDb[iDb].pSchema->cache_size); sqlite3BtreeSetSpillSize(pTemp, sqlite3BtreeSetSpillSize(pMain,0)); sqlite3BtreeSetPagerFlags(pTemp, PAGER_SYNCHRONOUS_OFF|PAGER_CACHESPILL); ................................................................................ #else # define TERM_VNULL 0x00 /* Disabled if not using stat3 */ #endif #define TERM_LIKEOPT 0x100 /* Virtual terms from the LIKE optimization */ #define TERM_LIKECOND 0x200 /* Conditionally this LIKE operator term */ #define TERM_LIKE 0x400 /* The original LIKE operator */ #define TERM_IS 0x800 /* Term.pExpr is an IS operator */ /* ** An instance of the WhereScan object is used as an iterator for locating ** terms in the WHERE clause that are useful to the query planner. */ struct WhereScan { WhereClause *pOrigWC; /* Original, innermost WhereClause */ ................................................................................ ** above, the mapping might go like this: 4->3, 5->1, 8->2, 29->0, ** 57->5, 73->4. Or one of 719 other combinations might be used. It ** does not really matter. What is important is that sparse cursor ** numbers all get mapped into bit numbers that begin with 0 and contain ** no gaps. */ struct WhereMaskSet { int n; /* Number of assigned cursor values */ int ix[BMS]; /* Cursor assigned to each bit */ }; /* ** Initialize a WhereMaskSet object */ ................................................................................ ** Cursor iCur is open on an intkey b-tree (a table). Register iRowid contains ** a rowid value just read from cursor iIdxCur, open on index pIdx. This ** function generates code to do a deferred seek of cursor iCur to the ** rowid stored in register iRowid. ** ** Normally, this is just: ** ** OP_Seek $iCur $iRowid ** ** However, if the scan currently being coded is a branch of an OR-loop and ** the statement currently being coded is a SELECT, then P3 of the OP_Seek ** is set to iIdxCur and P4 is set to point to an array of integers ** containing one entry for each column of the table cursor iCur is open ** on. For each table column, if the column is the i'th column of the ** index, then the corresponding array entry is set to (i+1). If the column ** does not appear in the index at all, the array entry is set to 0. */ static void codeDeferredSeek( ................................................................................ ){ Parse *pParse = pWInfo->pParse; /* Parse context */ Vdbe *v = pParse->pVdbe; /* Vdbe to generate code within */ assert( iIdxCur>0 ); assert( pIdx->aiColumn[pIdx->nColumn-1]==-1 ); sqlite3VdbeAddOp3(v, OP_Seek, iIdxCur, 0, iCur); if( (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE) && DbMaskAllZero(sqlite3ParseToplevel(pParse)->writeMask) ){ int i; Table *pTab = pIdx->pTable; int *ai = (int*)sqlite3DbMallocZero(pParse->db, sizeof(int)*(pTab->nCol+1)); if( ai ){ ................................................................................ ** a reference to an index column for an index on an expression. ** ** If pExpr matches, then transform it into a reference to the index column ** that contains the value of pExpr. */ static int whereIndexExprTransNode(Walker *p, Expr *pExpr){ IdxExprTrans *pX = p->u.pIdxTrans; if( sqlite3ExprCompare(pExpr, pX->pIdxExpr, pX->iTabCur)==0 ){ pExpr->op = TK_COLUMN; pExpr->iTable = pX->iIdxCur; pExpr->iColumn = pX->iIdxCol; pExpr->pTab = 0; return WRC_Prune; }else{ return WRC_Continue; ................................................................................ struct SrcList_item *pTabItem; /* FROM clause term being coded */ int addrBrk; /* Jump here to break out of the loop */ int addrHalt; /* addrBrk for the outermost loop */ int addrCont; /* Jump here to continue with next cycle */ int iRowidReg = 0; /* Rowid is stored in this register, if not zero */ int iReleaseReg = 0; /* Temp register to free before returning */ Index *pIdx = 0; /* Index used by loop (if any) */ int loopAgain; /* True if constraint generator loop should repeat */ pParse = pWInfo->pParse; v = pParse->pVdbe; pWC = &pWInfo->sWC; db = pParse->db; pLevel = &pWInfo->a[iLevel]; pLoop = pLevel->pWLoop; ................................................................................ #ifdef SQLITE_ENABLE_STMT_SCANSTATUS pLevel->addrVisit = sqlite3VdbeCurrentAddr(v); #endif /* Insert code to test every subexpression that can be completely ** computed using the current set of tables. ** ** This loop may run either once (pIdx==0) or twice (pIdx!=0). If ** it is run twice, then the first iteration codes those sub-expressions ** that can be computed using columns from pIdx only (without seeking ** the main table cursor). */ do{ loopAgain = 0; for(pTerm=pWC->a, j=pWC->nTerm; j>0; j--, pTerm++){ Expr *pE; int skipLikeAddr = 0; testcase( pTerm->wtFlags & TERM_VIRTUAL ); testcase( pTerm->wtFlags & TERM_CODED ); if( pTerm->wtFlags & (TERM_VIRTUAL|TERM_CODED) ) continue; if( (pTerm->prereqAll & pLevel->notReady)!=0 ){ ................................................................................ continue; } pE = pTerm->pExpr; assert( pE!=0 ); if( pLevel->iLeftJoin && !ExprHasProperty(pE, EP_FromJoin) ){ continue; } if( pIdx && !sqlite3ExprCoveredByIndex(pE, pLevel->iTabCur, pIdx) ){ loopAgain = 1; continue; } if( pTerm->wtFlags & TERM_LIKECOND ){ /* If the TERM_LIKECOND flag is set, that means that the range search ** is sufficient to guarantee that the LIKE operator is true, so we ** can skip the call to the like(A,B) function. But this only works ** for strings. So do not skip the call to the function on the pass ** that compares BLOBs. */ #ifdef SQLITE_LIKE_DOESNT_MATCH_BLOBS ................................................................................ #else u32 x = pLevel->iLikeRepCntr; assert( x>0 ); skipLikeAddr = sqlite3VdbeAddOp1(v, (x&1)?OP_IfNot:OP_If, (int)(x>>1)); VdbeCoverage(v); #endif } sqlite3ExprIfFalse(pParse, pE, addrCont, SQLITE_JUMPIFNULL); if( skipLikeAddr ) sqlite3VdbeJumpHere(v, skipLikeAddr); pTerm->wtFlags |= TERM_CODED; } pIdx = 0; }while( loopAgain ); /* Insert code to test for implied constraints based on transitivity ** of the "==" operator. ** ** Example: If the WHERE clause contains "t1.a=t2.b" and "t2.b=123" ** and we are coding the t1 loop and the t2 loop has not yet coded, ** then we cannot use the "t1.a=t2.b" constraint, but we can code ................................................................................ if( *pnoCase ) return 0; #endif pList = pExpr->x.pList; pLeft = pList->a[1].pExpr; pRight = sqlite3ExprSkipCollate(pList->a[0].pExpr); op = pRight->op; if( op==TK_VARIABLE ){ Vdbe *pReprepare = pParse->pReprepare; int iCol = pRight->iColumn; pVal = sqlite3VdbeGetBoundValue(pReprepare, iCol, SQLITE_AFF_BLOB); if( pVal && sqlite3_value_type(pVal)==SQLITE_TEXT ){ z = (char *)sqlite3_value_text(pVal); } sqlite3VdbeSetVarmask(pParse->pVdbe, iCol); ................................................................................ if( (pOne->eOperator & (WO_EQ|WO_LT|WO_LE|WO_GT|WO_GE))==0 ) return; if( (pTwo->eOperator & (WO_EQ|WO_LT|WO_LE|WO_GT|WO_GE))==0 ) return; if( (eOp & (WO_EQ|WO_LT|WO_LE))!=eOp && (eOp & (WO_EQ|WO_GT|WO_GE))!=eOp ) return; assert( pOne->pExpr->pLeft!=0 && pOne->pExpr->pRight!=0 ); assert( pTwo->pExpr->pLeft!=0 && pTwo->pExpr->pRight!=0 ); if( sqlite3ExprCompare(pOne->pExpr->pLeft, pTwo->pExpr->pLeft, -1) ) return; if( sqlite3ExprCompare(pOne->pExpr->pRight, pTwo->pExpr->pRight, -1) )return; /* If we reach this point, it means the two subterms can be combined */ if( (eOp & (eOp-1))!=0 ){ if( eOp & (WO_LT|WO_LE) ){ eOp = WO_LE; }else{ assert( eOp & (WO_GT|WO_GE) ); eOp = WO_GE; ................................................................................ pTerm->prereqRight = sqlite3WhereExprListUsage(pMaskSet, pExpr->x.pList); } }else if( op==TK_ISNULL ){ pTerm->prereqRight = 0; }else{ pTerm->prereqRight = sqlite3WhereExprUsage(pMaskSet, pExpr->pRight); } prereqAll = sqlite3WhereExprUsage(pMaskSet, pExpr); if( ExprHasProperty(pExpr, EP_FromJoin) ){ Bitmask x = sqlite3WhereGetMask(pMaskSet, pExpr->iRightJoinTable); prereqAll |= x; extraRight = x-1; /* ON clause terms may not be used with an index ** on left table of a LEFT JOIN. Ticket #3015 */ if( (prereqAll>>1)>=x ){ sqlite3ErrorMsg(pParse, "ON clause references tables to its right"); ................................................................................ pLeft = pExpr->x.pList->a[1].pExpr; prereqExpr = sqlite3WhereExprUsage(pMaskSet, pRight); prereqColumn = sqlite3WhereExprUsage(pMaskSet, pLeft); if( (prereqExpr & prereqColumn)==0 ){ Expr *pNewExpr; pNewExpr = sqlite3PExpr(pParse, TK_MATCH, 0, sqlite3ExprDup(db, pRight, 0)); idxNew = whereClauseInsert(pWC, pNewExpr, TERM_VIRTUAL|TERM_DYNAMIC); testcase( idxNew==0 ); pNewTerm = &pWC->a[idxNew]; pNewTerm->prereqRight = prereqExpr; pNewTerm->leftCursor = pLeft->iTable; pNewTerm->u.leftColumn = pLeft->iColumn; pNewTerm->eOperator = WO_MATCH; ................................................................................ Bitmask mask; if( p==0 ) return 0; if( p->op==TK_COLUMN ){ return sqlite3WhereGetMask(pMaskSet, p->iTable); } mask = (p->op==TK_IF_NULL_ROW) ? sqlite3WhereGetMask(pMaskSet, p->iTable) : 0; assert( !ExprHasProperty(p, EP_TokenOnly) ); if( p->pRight ) mask |= sqlite3WhereExprUsage(pMaskSet, p->pRight); if( p->pLeft ) mask |= sqlite3WhereExprUsage(pMaskSet, p->pLeft); if( ExprHasProperty(p, EP_xIsSelect) ){ mask |= exprSelectUsage(pMaskSet, p->x.pSelect); }else if( p->x.pList ){ mask |= sqlite3WhereExprListUsage(pMaskSet, p->x.pList); } return mask; } SQLITE_PRIVATE Bitmask sqlite3WhereExprListUsage(WhereMaskSet *pMaskSet, ExprList *pList){ ................................................................................ WhereTerm *pTerm, /* WHERE clause term to check */ struct SrcList_item *pSrc, /* Table we are trying to access */ Bitmask notReady /* Tables in outer loops of the join */ ){ char aff; if( pTerm->leftCursor!=pSrc->iCursor ) return 0; if( (pTerm->eOperator & (WO_EQ|WO_IS))==0 ) return 0; if( (pTerm->prereqRight & notReady)!=0 ) return 0; if( pTerm->u.leftColumn<0 ) return 0; aff = pSrc->pTab->aCol[pTerm->u.leftColumn].affinity; if( !sqlite3IndexAffinityOk(pTerm->pExpr, aff) ) return 0; testcase( pTerm->pExpr->op==TK_IS ); return 1; } ................................................................................ } if( roundUp ){ iGap = (iGap*2)/3; }else{ iGap = iGap/3; } aStat[0] = iLower + iGap; aStat[1] = pIdx->aAvgEq[iCol]; } /* Restore the pRec->nField value before returning. */ pRec->nField = nField; return i; } #endif /* SQLITE_ENABLE_STAT3_OR_STAT4 */ ................................................................................ pTemplate->nOut = p->nOut + 1; } } } /* ** Search the list of WhereLoops in *ppPrev looking for one that can be ** supplanted by pTemplate. ** ** Return NULL if the WhereLoop list contains an entry that can supplant ** pTemplate, in other words if pTemplate does not belong on the list. ** ** If pX is a WhereLoop that pTemplate can supplant, then return the ** link that points to pX. ** ** If pTemplate cannot supplant any existing element of the list but needs ** to be added to the list, then return a pointer to the tail of the list. */ static WhereLoop **whereLoopFindLesser( WhereLoop **ppPrev, const WhereLoop *pTemplate ){ WhereLoop *p; for(p=(*ppPrev); p; ppPrev=&p->pNextLoop, p=*ppPrev){ ................................................................................ ** WhereLoop and insert it. */ #if WHERETRACE_ENABLED /* 0x8 */ if( sqlite3WhereTrace & 0x8 ){ if( p!=0 ){ sqlite3DebugPrintf("replace: "); whereLoopPrint(p, pBuilder->pWC); } sqlite3DebugPrintf(" add: "); whereLoopPrint(pTemplate, pBuilder->pWC); } #endif if( p==0 ){ /* Allocate a new WhereLoop to add to the end of the list */ *ppPrev = p = sqlite3DbMallocRawNN(db, sizeof(WhereLoop)); if( p==0 ) return SQLITE_NOMEM_BKPT; ................................................................................ if( pExpr->iColumn<0 ) return 1; for(jj=0; jj<pIndex->nKeyCol; jj++){ if( pExpr->iColumn==pIndex->aiColumn[jj] ) return 1; } }else if( (aColExpr = pIndex->aColExpr)!=0 ){ for(jj=0; jj<pIndex->nKeyCol; jj++){ if( pIndex->aiColumn[jj]!=XN_EXPR ) continue; if( sqlite3ExprCompare(pExpr,aColExpr->a[jj].pExpr,iCursor)==0 ){ return 1; } } } } return 0; } ................................................................................ /* Check to see if a partial index with pPartIndexWhere can be used ** in the current query. Return true if it can be and false if not. */ static int whereUsablePartialIndex(int iTab, WhereClause *pWC, Expr *pWhere){ int i; WhereTerm *pTerm; while( pWhere->op==TK_AND ){ if( !whereUsablePartialIndex(iTab,pWC,pWhere->pLeft) ) return 0; pWhere = pWhere->pRight; } for(i=0, pTerm=pWC->a; i<pWC->nTerm; i++, pTerm++){ Expr *pExpr = pTerm->pExpr; if( sqlite3ExprImpliesExpr(pExpr, pWhere, iTab) && (!ExprHasProperty(pExpr, EP_FromJoin) || pExpr->iRightJoinTable==iTab) ){ return 1; } } return 0; } ................................................................................ testcase( wctrlFlags & WHERE_DISTINCTBY ); if( (wctrlFlags & (WHERE_GROUPBY|WHERE_DISTINCTBY))==0 ) bOnce = 0; if( iColumn>=(-1) ){ if( pOBExpr->op!=TK_COLUMN ) continue; if( pOBExpr->iTable!=iCur ) continue; if( pOBExpr->iColumn!=iColumn ) continue; }else{ if( sqlite3ExprCompare(pOBExpr,pIndex->aColExpr->a[j].pExpr,iCur) ){ continue; } } if( iColumn>=0 ){ pColl = sqlite3ExprCollSeq(pWInfo->pParse, pOrderBy->a[i].pExpr); if( !pColl ) pColl = db->pDfltColl; if( sqlite3StrICmp(pColl->zName, pIndex->azColl[j])!=0 ) continue; ................................................................................ WHERETRACE(0x002, ("---- sort cost=%-3d (%d/%d) increases cost %3d to %-3d\n", aSortCost[isOrdered], (nOrderBy-isOrdered), nOrderBy, rUnsorted, rCost)); }else{ rCost = rUnsorted; } /* Check to see if pWLoop should be added to the set of ** mxChoice best-so-far paths. ** ** First look for an existing path among best-so-far paths ** that covers the same set of loops and has the same isOrdered ................................................................................ && (rCost>mxCost || (rCost==mxCost && rUnsorted>=mxUnsorted)) ){ /* The current candidate is no better than any of the mxChoice ** paths currently in the best-so-far buffer. So discard ** this candidate as not viable. */ #ifdef WHERETRACE_ENABLED /* 0x4 */ if( sqlite3WhereTrace&0x4 ){ sqlite3DebugPrintf("Skip %s cost=%-3d,%3d order=%c\n", wherePathName(pFrom, iLoop, pWLoop), rCost, nOut, isOrdered>=0 ? isOrdered+'0' : '?'); } #endif continue; } /* If we reach this points it means that the new candidate path ** needs to be added to the set of best-so-far paths. */ ................................................................................ }else{ /* New path replaces the prior worst to keep count below mxChoice */ jj = mxI; } pTo = &aTo[jj]; #ifdef WHERETRACE_ENABLED /* 0x4 */ if( sqlite3WhereTrace&0x4 ){ sqlite3DebugPrintf("New %s cost=%-3d,%3d order=%c\n", wherePathName(pFrom, iLoop, pWLoop), rCost, nOut, isOrdered>=0 ? isOrdered+'0' : '?'); } #endif }else{ /* Control reaches here if best-so-far path pTo=aTo[jj] covers the ** same set of loops and has the sam isOrdered setting as the ** candidate path. Check to see if the candidate should replace ** pTo or if the candidate should be skipped */ if( pTo->rCost<rCost || (pTo->rCost==rCost && pTo->nRow<=nOut) ){ #ifdef WHERETRACE_ENABLED /* 0x4 */ if( sqlite3WhereTrace&0x4 ){ sqlite3DebugPrintf( "Skip %s cost=%-3d,%3d order=%c", wherePathName(pFrom, iLoop, pWLoop), rCost, nOut, isOrdered>=0 ? isOrdered+'0' : '?'); sqlite3DebugPrintf(" vs %s cost=%-3d,%d order=%c\n", wherePathName(pTo, iLoop+1, 0), pTo->rCost, pTo->nRow, pTo->isOrdered>=0 ? pTo->isOrdered+'0' : '?'); } #endif /* Discard the candidate path from further consideration */ testcase( pTo->rCost==rCost ); continue; } testcase( pTo->rCost==rCost+1 ); /* Control reaches here if the candidate path is better than the ** pTo path. Replace pTo with the candidate. */ #ifdef WHERETRACE_ENABLED /* 0x4 */ if( sqlite3WhereTrace&0x4 ){ sqlite3DebugPrintf( "Update %s cost=%-3d,%3d order=%c", wherePathName(pFrom, iLoop, pWLoop), rCost, nOut, isOrdered>=0 ? isOrdered+'0' : '?'); sqlite3DebugPrintf(" was %s cost=%-3d,%3d order=%c\n", wherePathName(pTo, iLoop+1, 0), pTo->rCost, pTo->nRow, pTo->isOrdered>=0 ? pTo->isOrdered+'0' : '?'); } #endif } /* pWLoop is a winner. Add it to the set of best so far */ pTo->maskLoop = pFrom->maskLoop | pWLoop->maskSelf; pTo->revLoop = revMask; pTo->nRow = nOut; ................................................................................ #ifdef SQLITE_DEBUG pLoop->cId = '0'; #endif return 1; } return 0; } /* ** Generate the beginning of the loop used for WHERE clause processing. ** The return value is a pointer to an opaque structure that contains ** information needed to terminate the loop. Later, the calling routine ** should invoke sqlite3WhereEnd() with the return value of this function ** in order to complete the WHERE clause processing. ................................................................................ /* Split the WHERE clause into separate subexpressions where each ** subexpression is separated by an AND operator. */ initMaskSet(pMaskSet); sqlite3WhereClauseInit(&pWInfo->sWC, pWInfo); sqlite3WhereSplit(&pWInfo->sWC, pWhere, TK_AND); /* Special case: a WHERE clause that is constant. Evaluate the ** expression and either jump over all of the code or fall thru. */ for(ii=0; ii<sWLB.pWC->nTerm; ii++){ if( nTabList==0 || sqlite3ExprIsConstantNotJoin(sWLB.pWC->a[ii].pExpr) ){ sqlite3ExprIfFalse(pParse, sWLB.pWC->a[ii].pExpr, pWInfo->iBreak, SQLITE_JUMPIFNULL); sWLB.pWC->a[ii].wtFlags |= TERM_CODED; } } /* Special case: No FROM clause */ if( nTabList==0 ){ if( pOrderBy ) pWInfo->nOBSat = pOrderBy->nExpr; if( wctrlFlags & WHERE_WANT_DISTINCT ){ pWInfo->eDistinct = WHERE_DISTINCT_UNIQUE; } ................................................................................ ** WHERE_OR_SUBCLAUSE flag is set. */ for(ii=0; ii<pTabList->nSrc; ii++){ createMask(pMaskSet, pTabList->a[ii].iCursor); sqlite3WhereTabFuncArgs(pParse, &pTabList->a[ii], &pWInfo->sWC); } #ifdef SQLITE_DEBUG for(ii=0; ii<pTabList->nSrc; ii++){ Bitmask m = sqlite3WhereGetMask(pMaskSet, pTabList->a[ii].iCursor); assert( m==MASKBIT(ii) ); } #endif /* Analyze all of the subexpressions. */ sqlite3WhereExprAnalyze(pTabList, &pWInfo->sWC); if( db->mallocFailed ) goto whereBeginError; if( wctrlFlags & WHERE_WANT_DISTINCT ){ if( isDistinctRedundant(pParse, pTabList, &pWInfo->sWC, pResultSet) ){ /* The DISTINCT marking is pointless. Ignore it. */ pWInfo->eDistinct = WHERE_DISTINCT_UNIQUE; }else if( pOrderBy==0 ){ /* Try to ORDER BY the result set to make distinct processing easier */ ................................................................................ #ifdef WHERETRACE_ENABLED if( sqlite3WhereTrace ){ /* Display all of the WhereLoop objects */ WhereLoop *p; int i; static const char zLabel[] = "0123456789abcdefghijklmnopqrstuvwyxz" "ABCDEFGHIJKLMNOPQRSTUVWYXZ"; for(p=pWInfo->pLoops, i=0; p; p=p->pNextLoop, i++){ p->cId = zLabel[i%sizeof(zLabel)]; whereLoopPrint(p, sWLB.pWC); } } #endif wherePathSolver(pWInfo, 0); if( db->mallocFailed ) goto whereBeginError; ................................................................................ #define YYSTACKDEPTH 100 #endif #define sqlite3ParserARG_SDECL Parse *pParse; #define sqlite3ParserARG_PDECL ,Parse *pParse #define sqlite3ParserARG_FETCH Parse *pParse = yypParser->pParse #define sqlite3ParserARG_STORE yypParser->pParse = pParse #define YYFALLBACK 1 #define YYNSTATE 456 #define YYNRULE 332 #define YY_MAX_SHIFT 455 #define YY_MIN_SHIFTREDUCE 668 #define YY_MAX_SHIFTREDUCE 999 #define YY_MIN_REDUCE 1000 #define YY_MAX_REDUCE 1331 #define YY_ERROR_ACTION 1332 #define YY_ACCEPT_ACTION 1333 #define YY_NO_ACTION 1334 /************* End control #defines *******************************************/ /* Define the yytestcase() macro to be a no-op if is not already defined ** otherwise. ** ** Applications can choose to define yytestcase() in the %include section ** to a macro that can assist in verifying code coverage. For production ................................................................................ ** yy_shift_ofst[] For each state, the offset into yy_action for ** shifting terminals. ** yy_reduce_ofst[] For each state, the offset into yy_action for ** shifting non-terminals after a reduce. ** yy_default[] Default action for each state. ** *********** Begin parsing tables **********************************************/ #define YY_ACTTAB_COUNT (1566) static const YYACTIONTYPE yy_action[] = { /* 0 */ 325, 411, 343, 752, 752, 203, 946, 354, 976, 98, /* 10 */ 98, 98, 98, 91, 96, 96, 96, 96, 95, 95, /* 20 */ 94, 94, 94, 93, 351, 1333, 155, 155, 2, 813, /* 30 */ 978, 978, 98, 98, 98, 98, 20, 96, 96, 96, /* 40 */ 96, 95, 95, 94, 94, 94, 93, 351, 92, 89, /* 50 */ 178, 99, 100, 90, 853, 856, 845, 845, 97, 97, /* 60 */ 98, 98, 98, 98, 351, 96, 96, 96, 96, 95, /* 70 */ 95, 94, 94, 94, 93, 351, 325, 340, 976, 262, /* 80 */ 365, 251, 212, 169, 287, 405, 282, 404, 199, 791, /* 90 */ 242, 412, 21, 957, 379, 280, 93, 351, 792, 95, /* 100 */ 95, 94, 94, 94, 93, 351, 978, 978, 96, 96, /* 110 */ 96, 96, 95, 95, 94, 94, 94, 93, 351, 813, /* 120 */ 329, 242, 412, 913, 832, 913, 132, 99, 100, 90, /* 130 */ 853, 856, 845, 845, 97, 97, 98, 98, 98, 98, /* 140 */ 450, 96, 96, 96, 96, 95, 95, 94, 94, 94, /* 150 */ 93, 351, 325, 825, 349, 348, 120, 819, 120, 75, /* 160 */ 52, 52, 957, 958, 959, 760, 984, 146, 361, 262, /* 170 */ 370, 261, 957, 982, 961, 983, 92, 89, 178, 371, /* 180 */ 230, 371, 978, 978, 817, 361, 360, 101, 824, 824, /* 190 */ 826, 384, 24, 964, 381, 428, 413, 369, 985, 380, /* 200 */ 985, 708, 325, 99, 100, 90, 853, 856, 845, 845, /* 210 */ 97, 97, 98, 98, 98, 98, 373, 96, 96, 96, /* 220 */ 96, 95, 95, 94, 94, 94, 93, 351, 957, 132, /* 230 */ 897, 450, 978, 978, 896, 60, 94, 94, 94, 93, /* 240 */ 351, 957, 958, 959, 961, 103, 361, 957, 385, 334, /* 250 */ 702, 52, 52, 99, 100, 90, 853, 856, 845, 845, /* 260 */ 97, 97, 98, 98, 98, 98, 698, 96, 96, 96, /* 270 */ 96, 95, 95, 94, 94, 94, 93, 351, 325, 455, /* 280 */ 670, 450, 227, 61, 157, 243, 344, 114, 701, 888, /* 290 */ 147, 832, 957, 373, 747, 957, 320, 957, 958, 959, /* 300 */ 194, 10, 10, 402, 399, 398, 888, 890, 978, 978, /* 310 */ 762, 171, 170, 157, 397, 337, 957, 958, 959, 702, /* 320 */ 825, 310, 153, 957, 819, 321, 82, 23, 80, 99, /* 330 */ 100, 90, 853, 856, 845, 845, 97, 97, 98, 98, /* 340 */ 98, 98, 894, 96, 96, 96, 96, 95, 95, 94, /* 350 */ 94, 94, 93, 351, 325, 824, 824, 826, 277, 231, /* 360 */ 300, 957, 958, 959, 957, 958, 959, 888, 194, 25, /* 370 */ 450, 402, 399, 398, 957, 355, 300, 450, 957, 74, /* 380 */ 450, 1, 397, 132, 978, 978, 957, 224, 224, 813, /* 390 */ 10, 10, 957, 958, 959, 968, 132, 52, 52, 415, /* 400 */ 52, 52, 739, 739, 339, 99, 100, 90, 853, 856, /* 410 */ 845, 845, 97, 97, 98, 98, 98, 98, 790, 96, /* 420 */ 96, 96, 96, 95, 95, 94, 94, 94, 93, 351, /* 430 */ 325, 789, 428, 418, 706, 428, 427, 1270, 1270, 262, /* 440 */ 370, 261, 957, 957, 958, 959, 757, 957, 958, 959, /* 450 */ 450, 756, 450, 734, 713, 957, 958, 959, 443, 711, /* 460 */ 978, 978, 734, 394, 92, 89, 178, 447, 447, 447, /* 470 */ 51, 51, 52, 52, 439, 778, 700, 92, 89, 178, /* 480 */ 172, 99, 100, 90, 853, 856, 845, 845, 97, 97, /* 490 */ 98, 98, 98, 98, 198, 96, 96, 96, 96, 95, /* 500 */ 95, 94, 94, 94, 93, 351, 325, 428, 408, 916, /* 510 */ 699, 957, 958, 959, 92, 89, 178, 224, 224, 157, /* 520 */ 241, 221, 419, 299, 776, 917, 416, 375, 450, 415, /* 530 */ 58, 324, 737, 737, 920, 379, 978, 978, 379, 777, /* 540 */ 449, 918, 363, 740, 296, 686, 9, 9, 52, 52, /* 550 */ 234, 330, 234, 256, 417, 741, 280, 99, 100, 90, /* 560 */ 853, 856, 845, 845, 97, 97, 98, 98, 98, 98, /* 570 */ 450, 96, 96, 96, 96, 95, 95, 94, 94, 94, /* 580 */ 93, 351, 325, 423, 72, 450, 833, 120, 368, 450, /* 590 */ 10, 10, 5, 301, 203, 450, 177, 976, 253, 420, /* 600 */ 255, 776, 200, 175, 233, 10, 10, 842, 842, 36, /* 610 */ 36, 1299, 978, 978, 729, 37, 37, 349, 348, 425, /* 620 */ 203, 260, 776, 976, 232, 937, 1326, 876, 338, 1326, /* 630 */ 422, 854, 857, 99, 100, 90, 853, 856, 845, 845, /* 640 */ 97, 97, 98, 98, 98, 98, 268, 96, 96, 96, /* 650 */ 96, 95, 95, 94, 94, 94, 93, 351, 325, 846, /* 660 */ 450, 985, 818, 985, 1209, 450, 916, 976, 720, 350, /* 670 */ 350, 350, 935, 177, 450, 937, 1327, 254, 198, 1327, /* 680 */ 12, 12, 917, 403, 450, 27, 27, 250, 978, 978, /* 690 */ 118, 721, 162, 976, 38, 38, 268, 176, 918, 776, /* 700 */ 433, 1275, 946, 354, 39, 39, 317, 998, 325, 99, /* 710 */ 100, 90, 853, 856, 845, 845, 97, 97, 98, 98, /* 720 */ 98, 98, 935, 96, 96, 96, 96, 95, 95, 94, /* 730 */ 94, 94, 93, 351, 450, 330, 450, 358, 978, 978, /* 740 */ 717, 317, 936, 341, 900, 900, 387, 673, 674, 675, /* 750 */ 275, 996, 318, 999, 40, 40, 41, 41, 268, 99, /* 760 */ 100, 90, 853, 856, 845, 845, 97, 97, 98, 98, /* 770 */ 98, 98, 450, 96, 96, 96, 96, 95, 95, 94, /* 780 */ 94, 94, 93, 351, 325, 450, 356, 450, 999, 450, /* 790 */ 692, 331, 42, 42, 791, 270, 450, 273, 450, 228, /* 800 */ 450, 298, 450, 792, 450, 28, 28, 29, 29, 31, /* 810 */ 31, 450, 817, 450, 978, 978, 43, 43, 44, 44, /* 820 */ 45, 45, 11, 11, 46, 46, 893, 78, 893, 268, /* 830 */ 268, 105, 105, 47, 47, 99, 100, 90, 853, 856, /* 840 */ 845, 845, 97, 97, 98, 98, 98, 98, 450, 96, /* 850 */ 96, 96, 96, 95, 95, 94, 94, 94, 93, 351, /* 860 */ 325, 450, 117, 450, 749, 158, 450, 696, 48, 48, /* 870 */ 229, 919, 450, 928, 450, 415, 450, 335, 450, 245, /* 880 */ 450, 33, 33, 49, 49, 450, 50, 50, 246, 817, /* 890 */ 978, 978, 34, 34, 122, 122, 123, 123, 124, 124, /* 900 */ 56, 56, 268, 81, 249, 35, 35, 197, 196, 195, /* 910 */ 325, 99, 100, 90, 853, 856, 845, 845, 97, 97, /* 920 */ 98, 98, 98, 98, 450, 96, 96, 96, 96, 95, /* 930 */ 95, 94, 94, 94, 93, 351, 450, 696, 450, 817, /* 940 */ 978, 978, 975, 884, 106, 106, 268, 886, 268, 944, /* 950 */ 2, 892, 268, 892, 336, 716, 53, 53, 107, 107, /* 960 */ 325, 99, 100, 90, 853, 856, 845, 845, 97, 97, /* 970 */ 98, 98, 98, 98, 450, 96, 96, 96, 96, 95, /* 980 */ 95, 94, 94, 94, 93, 351, 450, 746, 450, 742, /* 990 */ 978, 978, 715, 267, 108, 108, 446, 331, 332, 133, /* 1000 */ 223, 175, 301, 225, 386, 933, 104, 104, 121, 121, /* 1010 */ 325, 99, 88, 90, 853, 856, 845, 845, 97, 97, /* 1020 */ 98, 98, 98, 98, 817, 96, 96, 96, 96, 95, /* 1030 */ 95, 94, 94, 94, 93, 351, 450, 347, 450, 167, /* 1040 */ 978, 978, 932, 815, 372, 319, 202, 202, 374, 263, /* 1050 */ 395, 202, 74, 208, 726, 727, 119, 119, 112, 112, /* 1060 */ 325, 407, 100, 90, 853, 856, 845, 845, 97, 97, /* 1070 */ 98, 98, 98, 98, 450, 96, 96, 96, 96, 95, /* 1080 */ 95, 94, 94, 94, 93, 351, 450, 757, 450, 345, /* 1090 */ 978, 978, 756, 278, 111, 111, 74, 719, 718, 709, /* 1100 */ 286, 883, 754, 1289, 257, 77, 109, 109, 110, 110, /* 1110 */ 908, 285, 810, 90, 853, 856, 845, 845, 97, 97, /* 1120 */ 98, 98, 98, 98, 911, 96, 96, 96, 96, 95, /* 1130 */ 95, 94, 94, 94, 93, 351, 86, 445, 450, 3, /* 1140 */ 1202, 450, 745, 132, 352, 120, 689, 86, 445, 785, /* 1150 */ 3, 767, 202, 377, 448, 352, 907, 120, 55, 55, /* 1160 */ 450, 57, 57, 828, 879, 448, 450, 208, 450, 709, /* 1170 */ 450, 883, 237, 434, 436, 120, 440, 429, 362, 120, /* 1180 */ 54, 54, 132, 450, 434, 832, 52, 52, 26, 26, /* 1190 */ 30, 30, 382, 132, 409, 444, 832, 694, 264, 390, /* 1200 */ 116, 269, 272, 32, 32, 83, 84, 120, 274, 120, /* 1210 */ 120, 276, 85, 352, 452, 451, 83, 84, 819, 730, /* 1220 */ 714, 428, 430, 85, 352, 452, 451, 120, 120, 819, /* 1230 */ 378, 218, 281, 828, 783, 816, 86, 445, 410, 3, /* 1240 */ 763, 774, 431, 432, 352, 302, 303, 823, 697, 824, /* 1250 */ 824, 826, 827, 19, 448, 691, 680, 679, 681, 951, /* 1260 */ 824, 824, 826, 827, 19, 289, 159, 291, 293, 7, /* 1270 */ 316, 173, 259, 434, 805, 364, 252, 910, 376, 713, /* 1280 */ 295, 435, 168, 993, 400, 832, 284, 881, 880, 205, /* 1290 */ 954, 308, 927, 86, 445, 990, 3, 925, 333, 144, /* 1300 */ 130, 352, 72, 135, 59, 83, 84, 761, 137, 366, /* 1310 */ 802, 448, 85, 352, 452, 451, 139, 226, 819, 140, /* 1320 */ 156, 62, 315, 314, 313, 215, 311, 367, 393, 683, /* 1330 */ 434, 185, 141, 912, 142, 160, 148, 812, 875, 383, /* 1340 */ 189, 67, 832, 180, 389, 248, 895, 775, 219, 824, /* 1350 */ 824, 826, 827, 19, 247, 190, 266, 154, 391, 271, /* 1360 */ 191, 192, 83, 84, 682, 406, 733, 182, 322, 85, /* 1370 */ 352, 452, 451, 732, 183, 819, 342, 132, 181, 711, /* 1380 */ 731, 421, 76, 445, 705, 3, 323, 704, 283, 724, /* 1390 */ 352, 771, 703, 966, 723, 71, 204, 6, 288, 290, /* 1400 */ 448, 772, 770, 769, 79, 292, 824, 824, 826, 827, /* 1410 */ 19, 294, 297, 438, 346, 442, 102, 861, 753, 434, /* 1420 */ 238, 426, 73, 305, 239, 304, 326, 240, 424, 306, /* 1430 */ 307, 832, 213, 688, 22, 952, 453, 214, 216, 217, /* 1440 */ 454, 677, 115, 676, 671, 125, 126, 235, 127, 669, /* 1450 */ 327, 83, 84, 359, 353, 244, 166, 328, 85, 352, /* 1460 */ 452, 451, 134, 179, 819, 357, 113, 891, 811, 889, /* 1470 */ 136, 128, 138, 743, 258, 184, 906, 143, 145, 63, /* 1480 */ 64, 65, 66, 129, 909, 905, 187, 186, 8, 13, /* 1490 */ 188, 265, 898, 149, 202, 824, 824, 826, 827, 19, /* 1500 */ 388, 987, 150, 161, 285, 685, 392, 396, 151, 722, /* 1510 */ 193, 68, 14, 401, 279, 15, 69, 236, 831, 830, /* 1520 */ 131, 859, 751, 70, 16, 414, 755, 4, 784, 220, /* 1530 */ 222, 174, 152, 437, 779, 201, 17, 77, 74, 18, /* 1540 */ 874, 860, 858, 915, 863, 914, 207, 206, 941, 163, /* 1550 */ 210, 942, 209, 164, 441, 862, 165, 211, 829, 695, /* 1560 */ 87, 312, 309, 947, 1291, 1290, }; static const YYCODETYPE yy_lookahead[] = { /* 0 */ 19, 115, 19, 117, 118, 24, 1, 2, 27, 79, /* 10 */ 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, /* 20 */ 90, 91, 92, 93, 94, 144, 145, 146, 147, 58, /* 30 */ 49, 50, 79, 80, 81, 82, 22, 84, 85, 86, /* 40 */ 87, 88, 89, 90, 91, 92, 93, 94, 221, 222, ................................................................................ /* 1370 */ 96, 97, 98, 174, 62, 101, 47, 65, 66, 106, /* 1380 */ 174, 125, 19, 20, 174, 22, 177, 176, 174, 182, /* 1390 */ 27, 216, 174, 174, 182, 107, 159, 22, 215, 215, /* 1400 */ 37, 216, 216, 216, 137, 215, 132, 133, 134, 135, /* 1410 */ 136, 215, 159, 177, 94, 177, 129, 224, 205, 56, /* 1420 */ 226, 126, 128, 203, 229, 204, 114, 229, 127, 202, /* 1430 */ 201, 68, 25, 162, 26, 13, 161, 153, 153, 6, /* 1440 */ 151, 151, 178, 151, 151, 165, 165, 178, 165, 4, /* 1450 */ 249, 88, 89, 141, 3, 142, 22, 249, 95, 96, /* 1460 */ 97, 98, 246, 15, 101, 67, 16, 23, 120, 23, /* 1470 */ 131, 111, 123, 20, 16, 125, 1, 123, 131, 78, /* 1480 */ 78, 78, 78, 111, 96, 1, 122, 35, 5, 22, /* 1490 */ 107, 140, 53, 53, 26, 132, 133, 134, 135, 136, /* 1500 */ 43, 60, 107, 24, 112, 20, 19, 52, 22, 29, /* 1510 */ 105, 22, 22, 52, 23, 22, 22, 52, 23, 23, /* 1520 */ 39, 23, 116, 26, 22, 26, 23, 22, 96, 23, /* 1530 */ 23, 122, 22, 24, 124, 35, 35, 26, 26, 35, /* 1540 */ 23, 23, 23, 23, 11, 23, 22, 26, 23, 22, /* 1550 */ 122, 23, 26, 22, 24, 23, 22, 122, 23, 23, /* 1560 */ 22, 15, 23, 1, 122, 122, }; #define YY_SHIFT_USE_DFLT (1566) #define YY_SHIFT_COUNT (455) #define YY_SHIFT_MIN (-114) #define YY_SHIFT_MAX (1562) static const short yy_shift_ofst[] = { /* 0 */ 5, 1117, 1312, 1128, 1274, 1274, 1274, 1274, 61, -19, /* 10 */ 57, 57, 183, 1274, 1274, 1274, 1274, 1274, 1274, 1274, /* 20 */ 66, 66, 201, -29, 331, 318, 133, 259, 335, 411, /* 30 */ 487, 563, 639, 689, 765, 841, 891, 891, 891, 891, ................................................................................ /* 50 */ 891, 891, 891, 941, 891, 991, 1041, 1041, 1217, 1274, /* 60 */ 1274, 1274, 1274, 1274, 1274, 1274, 1274, 1274, 1274, 1274, /* 70 */ 1274, 1274, 1274, 1274, 1274, 1274, 1274, 1274, 1274, 1274, /* 80 */ 1274, 1274, 1274, 1274, 1274, 1274, 1274, 1274, 1274, 1274, /* 90 */ 1363, 1274, 1274, 1274, 1274, 1274, 1274, 1274, 1274, 1274, /* 100 */ 1274, 1274, 1274, 1274, -70, -47, -47, -47, -47, -47, /* 110 */ 24, 11, 146, 296, 524, 444, 529, 529, 296, 3, /* 120 */ 2, -30, 1566, 1566, 1566, -17, -17, -17, 145, 145, /* 130 */ 497, 497, 265, 603, 653, 296, 296, 296, 296, 296, /* 140 */ 296, 296, 296, 296, 296, 296, 296, 296, 296, 296, /* 150 */ 296, 296, 296, 296, 296, 701, 1078, 147, 147, 2, /* 160 */ 164, 164, 164, 164, 164, 164, 1566, 1566, 1566, 223, /* 170 */ 56, 56, 268, 269, 220, 347, 351, 415, 359, 296, /* 180 */ 296, 296, 296, 296, 296, 296, 296, 296, 296, 296, /* 190 */ 296, 296, 296, 296, 296, 632, 632, 632, 296, 296, /* 200 */ 498, 296, 296, 296, 570, 296, 296, 654, 296, 296, /* 210 */ 296, 296, 296, 296, 296, 296, 296, 296, 636, 200, /* 220 */ 596, 596, 596, 575, -114, 971, 740, 454, 503, 503, /* 230 */ 1134, 454, 1134, 353, 588, 628, 762, 503, 189, 762, ................................................................................ /* 240 */ 762, 916, 330, 668, 1245, 1167, 1167, 1255, 1255, 1167, /* 250 */ 1277, 1230, 1172, 1291, 1291, 1291, 1291, 1167, 1310, 1172, /* 260 */ 1277, 1230, 1230, 1172, 1167, 1310, 1204, 1299, 1167, 1167, /* 270 */ 1310, 1335, 1167, 1310, 1167, 1310, 1335, 1258, 1258, 1258, /* 280 */ 1329, 1335, 1258, 1273, 1258, 1329, 1258, 1258, 1256, 1288, /* 290 */ 1256, 1288, 1256, 1288, 1256, 1288, 1167, 1375, 1167, 1267, /* 300 */ 1335, 1320, 1320, 1335, 1287, 1295, 1294, 1301, 1172, 1407, /* 310 */ 1408, 1422, 1422, 1433, 1433, 1433, 1433, 1566, 1566, 1566, /* 320 */ 1566, 1566, 1566, 1566, 1566, 558, 537, 684, 719, 734, /* 330 */ 799, 840, 1019, 14, 1020, 1021, 1025, 1026, 1027, 1070, /* 340 */ 1072, 997, 1047, 999, 1079, 1126, 1074, 1141, 694, 819, /* 350 */ 1174, 1136, 981, 1445, 1451, 1434, 1313, 1448, 1398, 1450, /* 360 */ 1444, 1446, 1348, 1339, 1360, 1349, 1453, 1350, 1458, 1475, /* 370 */ 1354, 1347, 1401, 1402, 1403, 1404, 1372, 1388, 1452, 1364, /* 380 */ 1484, 1483, 1467, 1383, 1351, 1439, 1468, 1440, 1441, 1457, /* 390 */ 1395, 1479, 1485, 1487, 1392, 1405, 1486, 1455, 1489, 1490, /* 400 */ 1491, 1493, 1461, 1480, 1494, 1465, 1481, 1495, 1496, 1498, /* 410 */ 1497, 1406, 1502, 1503, 1505, 1499, 1409, 1506, 1507, 1432, /* 420 */ 1500, 1510, 1410, 1511, 1501, 1512, 1504, 1517, 1511, 1518, /* 430 */ 1519, 1520, 1521, 1522, 1524, 1533, 1525, 1527, 1509, 1526, /* 440 */ 1528, 1531, 1530, 1526, 1532, 1534, 1535, 1536, 1538, 1428, /* 450 */ 1435, 1442, 1443, 1539, 1546, 1562, }; #define YY_REDUCE_USE_DFLT (-174) #define YY_REDUCE_COUNT (324) #define YY_REDUCE_MIN (-173) #define YY_REDUCE_MAX (1293) static const short yy_reduce_ofst[] = { /* 0 */ -119, 1014, 131, 1031, -12, 225, 228, 300, -40, -45, /* 10 */ 243, 256, 293, 129, 218, 418, 79, 376, 433, 298, /* 20 */ 16, 137, 367, 323, -38, 391, -173, -173, -173, -173, /* 30 */ -173, -173, -173, -173, -173, -173, -173, -173, -173, -173, /* 40 */ -173, -173, -173, -173, -173, -173, -173, -173, -173, -173, /* 50 */ -173, -173, -173, -173, -173, -173, -173, -173, 374, 437, ................................................................................ /* 240 */ 1113, 1091, 1084, 1135, 1060, 1133, 1138, 1064, 1081, 1139, /* 250 */ 1100, 1119, 1109, 1124, 1127, 1140, 1142, 1168, 1173, 1132, /* 260 */ 1115, 1147, 1148, 1137, 1180, 1182, 1110, 1121, 1188, 1189, /* 270 */ 1197, 1181, 1200, 1202, 1205, 1203, 1191, 1192, 1199, 1206, /* 280 */ 1207, 1209, 1210, 1211, 1214, 1212, 1218, 1219, 1175, 1183, /* 290 */ 1185, 1184, 1186, 1190, 1187, 1196, 1237, 1193, 1253, 1194, /* 300 */ 1236, 1195, 1198, 1238, 1213, 1221, 1220, 1227, 1229, 1271, /* 310 */ 1275, 1284, 1285, 1289, 1290, 1292, 1293, 1201, 1208, 1216, /* 320 */ 1280, 1281, 1264, 1269, 1283, }; static const YYACTIONTYPE yy_default[] = { /* 0 */ 1280, 1270, 1270, 1270, 1202, 1202, 1202, 1202, 1270, 1096, /* 10 */ 1125, 1125, 1254, 1332, 1332, 1332, 1332, 1332, 1332, 1201, /* 20 */ 1332, 1332, 1332, 1332, 1270, 1100, 1131, 1332, 1332, 1332, /* 30 */ 1332, 1203, 1204, 1332, 1332, 1332, 1253, 1255, 1141, 1140, /* 40 */ 1139, 1138, 1236, 1112, 1136, 1129, 1133, 1203, 1197, 1198, /* 50 */ 1196, 1200, 1204, 1332, 1132, 1167, 1181, 1166, 1332, 1332, /* 60 */ 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, /* 70 */ 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, /* 80 */ 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, /* 90 */ 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, /* 100 */ 1332, 1332, 1332, 1332, 1175, 1180, 1187, 1179, 1176, 1169, /* 110 */ 1168, 1170, 1171, 1332, 1019, 1067, 1332, 1332, 1332, 1172, /* 120 */ 1332, 1173, 1184, 1183, 1182, 1261, 1288, 1287, 1332, 1332, /* 130 */ 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, /* 140 */ 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, /* 150 */ 1332, 1332, 1332, 1332, 1332, 1280, 1270, 1025, 1025, 1332, /* 160 */ 1270, 1270, 1270, 1270, 1270, 1270, 1266, 1100, 1091, 1332, /* 170 */ 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, /* 180 */ 1258, 1256, 1332, 1217, 1332, 1332, 1332, 1332, 1332, 1332, /* 190 */ 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, /* 200 */ 1332, 1332, 1332, 1332, 1096, 1332, 1332, 1332, 1332, 1332, /* 210 */ 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1282, 1332, 1231, /* 220 */ 1096, 1096, 1096, 1098, 1080, 1090, 1004, 1135, 1114, 1114, /* 230 */ 1321, 1135, 1321, 1042, 1302, 1039, 1125, 1114, 1199, 1125, /* 240 */ 1125, 1097, 1090, 1332, 1324, 1105, 1105, 1323, 1323, 1105, /* 250 */ 1146, 1070, 1135, 1076, 1076, 1076, 1076, 1105, 1016, 1135, /* 260 */ 1146, 1070, 1070, 1135, 1105, 1016, 1235, 1318, 1105, 1105, /* 270 */ 1016, 1210, 1105, 1016, 1105, 1016, 1210, 1068, 1068, 1068, /* 280 */ 1057, 1210, 1068, 1042, 1068, 1057, 1068, 1068, 1118, 1113, /* 290 */ 1118, 1113, 1118, 1113, 1118, 1113, 1105, 1205, 1105, 1332, /* 300 */ 1210, 1214, 1214, 1210, 1130, 1119, 1128, 1126, 1135, 1022, /* 310 */ 1060, 1285, 1285, 1281, 1281, 1281, 1281, 1329, 1329, 1266, /* 320 */ 1297, 1297, 1044, 1044, 1297, 1332, 1332, 1332, 1332, 1332, /* 330 */ 1332, 1292, 1332, 1219, 1332, 1332, 1332, 1332, 1332, 1332, /* 340 */ 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, /* 350 */ 1332, 1332, 1152, 1332, 1000, 1263, 1332, 1332, 1262, 1332, /* 360 */ 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, /* 370 */ 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1320, /* 380 */ 1332, 1332, 1332, 1332, 1332, 1332, 1234, 1233, 1332, 1332, /* 390 */ 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, /* 400 */ 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, /* 410 */ 1332, 1082, 1332, 1332, 1332, 1306, 1332, 1332, 1332, 1332, /* 420 */ 1332, 1332, 1332, 1127, 1332, 1120, 1332, 1332, 1311, 1332, /* 430 */ 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1332, 1272, /* 440 */ 1332, 1332, 1332, 1271, 1332, 1332, 1332, 1332, 1332, 1154, /* 450 */ 1332, 1153, 1157, 1332, 1010, 1332, }; /********** End of lemon-generated parsing tables *****************************/ /* The next table maps tokens (terminal symbols) into fallback tokens. ** If a construct like the following: ** ** %fallback ID X Y Z. ................................................................................ sqlite3ParserARG_SDECL /* A place to hold %extra_argument */ #if YYSTACKDEPTH<=0 int yystksz; /* Current side of the stack */ yyStackEntry *yystack; /* The parser's stack */ yyStackEntry yystk0; /* First stack entry */ #else yyStackEntry yystack[YYSTACKDEPTH]; /* The parser's stack */ #endif }; typedef struct yyParser yyParser; #ifndef NDEBUG /* #include <stdio.h> */ static FILE *yyTraceFILE = 0; ................................................................................ /* 1 */ "explain ::= EXPLAIN QUERY PLAN", /* 2 */ "cmdx ::= cmd", /* 3 */ "cmd ::= BEGIN transtype trans_opt", /* 4 */ "transtype ::=", /* 5 */ "transtype ::= DEFERRED", /* 6 */ "transtype ::= IMMEDIATE", /* 7 */ "transtype ::= EXCLUSIVE", /* 8 */ "cmd ::= COMMIT trans_opt", /* 9 */ "cmd ::= END trans_opt", /* 10 */ "cmd ::= ROLLBACK trans_opt", /* 11 */ "cmd ::= SAVEPOINT nm", /* 12 */ "cmd ::= RELEASE savepoint_opt nm", /* 13 */ "cmd ::= ROLLBACK trans_opt TO savepoint_opt nm", /* 14 */ "create_table ::= createkw temp TABLE ifnotexists nm dbnm", /* 15 */ "createkw ::= CREATE", /* 16 */ "ifnotexists ::=", /* 17 */ "ifnotexists ::= IF NOT EXISTS", /* 18 */ "temp ::= TEMP", /* 19 */ "temp ::=", /* 20 */ "create_table_args ::= LP columnlist conslist_opt RP table_options", /* 21 */ "create_table_args ::= AS select", /* 22 */ "table_options ::=", /* 23 */ "table_options ::= WITHOUT nm", /* 24 */ "columnname ::= nm typetoken", /* 25 */ "typetoken ::=", /* 26 */ "typetoken ::= typename LP signed RP", /* 27 */ "typetoken ::= typename LP signed COMMA signed RP", /* 28 */ "typename ::= typename ID|STRING", /* 29 */ "ccons ::= CONSTRAINT nm", /* 30 */ "ccons ::= DEFAULT term", /* 31 */ "ccons ::= DEFAULT LP expr RP", /* 32 */ "ccons ::= DEFAULT PLUS term", /* 33 */ "ccons ::= DEFAULT MINUS term", /* 34 */ "ccons ::= DEFAULT ID|INDEXED", /* 35 */ "ccons ::= NOT NULL onconf", /* 36 */ "ccons ::= PRIMARY KEY sortorder onconf autoinc", /* 37 */ "ccons ::= UNIQUE onconf", /* 38 */ "ccons ::= CHECK LP expr RP", /* 39 */ "ccons ::= REFERENCES nm eidlist_opt refargs", /* 40 */ "ccons ::= defer_subclause", /* 41 */ "ccons ::= COLLATE ID|STRING", /* 42 */ "autoinc ::=", /* 43 */ "autoinc ::= AUTOINCR", /* 44 */ "refargs ::=", /* 45 */ "refargs ::= refargs refarg", /* 46 */ "refarg ::= MATCH nm", /* 47 */ "refarg ::= ON INSERT refact", /* 48 */ "refarg ::= ON DELETE refact", /* 49 */ "refarg ::= ON UPDATE refact", /* 50 */ "refact ::= SET NULL", /* 51 */ "refact ::= SET DEFAULT", /* 52 */ "refact ::= CASCADE", /* 53 */ "refact ::= RESTRICT", /* 54 */ "refact ::= NO ACTION", /* 55 */ "defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt", /* 56 */ "defer_subclause ::= DEFERRABLE init_deferred_pred_opt", /* 57 */ "init_deferred_pred_opt ::=", /* 58 */ "init_deferred_pred_opt ::= INITIALLY DEFERRED", /* 59 */ "init_deferred_pred_opt ::= INITIALLY IMMEDIATE", /* 60 */ "conslist_opt ::=", /* 61 */ "tconscomma ::= COMMA", /* 62 */ "tcons ::= CONSTRAINT nm", /* 63 */ "tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf", /* 64 */ "tcons ::= UNIQUE LP sortlist RP onconf", /* 65 */ "tcons ::= CHECK LP expr RP onconf", /* 66 */ "tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt", /* 67 */ "defer_subclause_opt ::=", /* 68 */ "onconf ::=", /* 69 */ "onconf ::= ON CONFLICT resolvetype", /* 70 */ "orconf ::=", /* 71 */ "orconf ::= OR resolvetype", /* 72 */ "resolvetype ::= IGNORE", /* 73 */ "resolvetype ::= REPLACE", /* 74 */ "cmd ::= DROP TABLE ifexists fullname", /* 75 */ "ifexists ::= IF EXISTS", /* 76 */ "ifexists ::=", /* 77 */ "cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select", /* 78 */ "cmd ::= DROP VIEW ifexists fullname", /* 79 */ "cmd ::= select", /* 80 */ "select ::= with selectnowith", /* 81 */ "selectnowith ::= selectnowith multiselect_op oneselect", /* 82 */ "multiselect_op ::= UNION", /* 83 */ "multiselect_op ::= UNION ALL", /* 84 */ "multiselect_op ::= EXCEPT|INTERSECT", /* 85 */ "oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt", /* 86 */ "values ::= VALUES LP nexprlist RP", /* 87 */ "values ::= values COMMA LP exprlist RP", /* 88 */ "distinct ::= DISTINCT", /* 89 */ "distinct ::= ALL", /* 90 */ "distinct ::=", /* 91 */ "sclp ::=", /* 92 */ "selcollist ::= sclp expr as", /* 93 */ "selcollist ::= sclp STAR", /* 94 */ "selcollist ::= sclp nm DOT STAR", /* 95 */ "as ::= AS nm", /* 96 */ "as ::=", /* 97 */ "from ::=", /* 98 */ "from ::= FROM seltablist", /* 99 */ "stl_prefix ::= seltablist joinop", /* 100 */ "stl_prefix ::=", /* 101 */ "seltablist ::= stl_prefix nm dbnm as indexed_opt on_opt using_opt", /* 102 */ "seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_opt using_opt", /* 103 */ "seltablist ::= stl_prefix LP select RP as on_opt using_opt", /* 104 */ "seltablist ::= stl_prefix LP seltablist RP as on_opt using_opt", /* 105 */ "dbnm ::=", /* 106 */ "dbnm ::= DOT nm", /* 107 */ "fullname ::= nm dbnm", /* 108 */ "joinop ::= COMMA|JOIN", /* 109 */ "joinop ::= JOIN_KW JOIN", /* 110 */ "joinop ::= JOIN_KW nm JOIN", /* 111 */ "joinop ::= JOIN_KW nm nm JOIN", /* 112 */ "on_opt ::= ON expr", /* 113 */ "on_opt ::=", /* 114 */ "indexed_opt ::=", /* 115 */ "indexed_opt ::= INDEXED BY nm", /* 116 */ "indexed_opt ::= NOT INDEXED", /* 117 */ "using_opt ::= USING LP idlist RP", /* 118 */ "using_opt ::=", /* 119 */ "orderby_opt ::=", /* 120 */ "orderby_opt ::= ORDER BY sortlist", /* 121 */ "sortlist ::= sortlist COMMA expr sortorder", /* 122 */ "sortlist ::= expr sortorder", /* 123 */ "sortorder ::= ASC", /* 124 */ "sortorder ::= DESC", /* 125 */ "sortorder ::=", /* 126 */ "groupby_opt ::=", /* 127 */ "groupby_opt ::= GROUP BY nexprlist", /* 128 */ "having_opt ::=", /* 129 */ "having_opt ::= HAVING expr", /* 130 */ "limit_opt ::=", /* 131 */ "limit_opt ::= LIMIT expr", /* 132 */ "limit_opt ::= LIMIT expr OFFSET expr", /* 133 */ "limit_opt ::= LIMIT expr COMMA expr", /* 134 */ "cmd ::= with DELETE FROM fullname indexed_opt where_opt", /* 135 */ "where_opt ::=", /* 136 */ "where_opt ::= WHERE expr", /* 137 */ "cmd ::= with UPDATE orconf fullname indexed_opt SET setlist where_opt", /* 138 */ "setlist ::= setlist COMMA nm EQ expr", /* 139 */ "setlist ::= setlist COMMA LP idlist RP EQ expr", /* 140 */ "setlist ::= nm EQ expr", /* 141 */ "setlist ::= LP idlist RP EQ expr", /* 142 */ "cmd ::= with insert_cmd INTO fullname idlist_opt select", /* 143 */ "cmd ::= with insert_cmd INTO fullname idlist_opt DEFAULT VALUES", /* 144 */ "insert_cmd ::= INSERT orconf", /* 145 */ "insert_cmd ::= REPLACE", /* 146 */ "idlist_opt ::=", /* 147 */ "idlist_opt ::= LP idlist RP", /* 148 */ "idlist ::= idlist COMMA nm", /* 149 */ "idlist ::= nm", /* 150 */ "expr ::= LP expr RP", /* 151 */ "term ::= NULL", /* 152 */ "expr ::= ID|INDEXED", /* 153 */ "expr ::= JOIN_KW", /* 154 */ "expr ::= nm DOT nm", /* 155 */ "expr ::= nm DOT nm DOT nm", /* 156 */ "term ::= FLOAT|BLOB", /* 157 */ "term ::= STRING", /* 158 */ "term ::= INTEGER", /* 159 */ "expr ::= VARIABLE", /* 160 */ "expr ::= expr COLLATE ID|STRING", /* 161 */ "expr ::= CAST LP expr AS typetoken RP", /* 162 */ "expr ::= ID|INDEXED LP distinct exprlist RP", /* 163 */ "expr ::= ID|INDEXED LP STAR RP", /* 164 */ "term ::= CTIME_KW", /* 165 */ "expr ::= LP nexprlist COMMA expr RP", /* 166 */ "expr ::= expr AND expr", /* 167 */ "expr ::= expr OR expr", /* 168 */ "expr ::= expr LT|GT|GE|LE expr", /* 169 */ "expr ::= expr EQ|NE expr", /* 170 */ "expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr", /* 171 */ "expr ::= expr PLUS|MINUS expr", /* 172 */ "expr ::= expr STAR|SLASH|REM expr", /* 173 */ "expr ::= expr CONCAT expr", /* 174 */ "likeop ::= NOT LIKE_KW|MATCH", /* 175 */ "expr ::= expr likeop expr", /* 176 */ "expr ::= expr likeop expr ESCAPE expr", /* 177 */ "expr ::= expr ISNULL|NOTNULL", /* 178 */ "expr ::= expr NOT NULL", /* 179 */ "expr ::= expr IS expr", /* 180 */ "expr ::= expr IS NOT expr", /* 181 */ "expr ::= NOT expr", /* 182 */ "expr ::= BITNOT expr", /* 183 */ "expr ::= MINUS expr", /* 184 */ "expr ::= PLUS expr", /* 185 */ "between_op ::= BETWEEN", /* 186 */ "between_op ::= NOT BETWEEN", /* 187 */ "expr ::= expr between_op expr AND expr", /* 188 */ "in_op ::= IN", /* 189 */ "in_op ::= NOT IN", /* 190 */ "expr ::= expr in_op LP exprlist RP", /* 191 */ "expr ::= LP select RP", /* 192 */ "expr ::= expr in_op LP select RP", /* 193 */ "expr ::= expr in_op nm dbnm paren_exprlist", /* 194 */ "expr ::= EXISTS LP select RP", /* 195 */ "expr ::= CASE case_operand case_exprlist case_else END", /* 196 */ "case_exprlist ::= case_exprlist WHEN expr THEN expr", /* 197 */ "case_exprlist ::= WHEN expr THEN expr", /* 198 */ "case_else ::= ELSE expr", /* 199 */ "case_else ::=", /* 200 */ "case_operand ::= expr", /* 201 */ "case_operand ::=", /* 202 */ "exprlist ::=", /* 203 */ "nexprlist ::= nexprlist COMMA expr", /* 204 */ "nexprlist ::= expr", /* 205 */ "paren_exprlist ::=", /* 206 */ "paren_exprlist ::= LP exprlist RP", /* 207 */ "cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt", /* 208 */ "uniqueflag ::= UNIQUE", /* 209 */ "uniqueflag ::=", /* 210 */ "eidlist_opt ::=", /* 211 */ "eidlist_opt ::= LP eidlist RP", /* 212 */ "eidlist ::= eidlist COMMA nm collate sortorder", /* 213 */ "eidlist ::= nm collate sortorder", /* 214 */ "collate ::=", /* 215 */ "collate ::= COLLATE ID|STRING", /* 216 */ "cmd ::= DROP INDEX ifexists fullname", /* 217 */ "cmd ::= VACUUM", /* 218 */ "cmd ::= VACUUM nm", /* 219 */ "cmd ::= PRAGMA nm dbnm", /* 220 */ "cmd ::= PRAGMA nm dbnm EQ nmnum", /* 221 */ "cmd ::= PRAGMA nm dbnm LP nmnum RP", /* 222 */ "cmd ::= PRAGMA nm dbnm EQ minus_num", /* 223 */ "cmd ::= PRAGMA nm dbnm LP minus_num RP", /* 224 */ "plus_num ::= PLUS INTEGER|FLOAT", /* 225 */ "minus_num ::= MINUS INTEGER|FLOAT", /* 226 */ "cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END", /* 227 */ "trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause", /* 228 */ "trigger_time ::= BEFORE", /* 229 */ "trigger_time ::= AFTER", /* 230 */ "trigger_time ::= INSTEAD OF", /* 231 */ "trigger_time ::=", /* 232 */ "trigger_event ::= DELETE|INSERT", /* 233 */ "trigger_event ::= UPDATE", /* 234 */ "trigger_event ::= UPDATE OF idlist", /* 235 */ "when_clause ::=", /* 236 */ "when_clause ::= WHEN expr", /* 237 */ "trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI", /* 238 */ "trigger_cmd_list ::= trigger_cmd SEMI", /* 239 */ "trnm ::= nm DOT nm", /* 240 */ "tridxby ::= INDEXED BY nm", /* 241 */ "tridxby ::= NOT INDEXED", /* 242 */ "trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist where_opt", /* 243 */ "trigger_cmd ::= insert_cmd INTO trnm idlist_opt select", /* 244 */ "trigger_cmd ::= DELETE FROM trnm tridxby where_opt", /* 245 */ "trigger_cmd ::= select", /* 246 */ "expr ::= RAISE LP IGNORE RP", /* 247 */ "expr ::= RAISE LP raisetype COMMA nm RP", /* 248 */ "raisetype ::= ROLLBACK", /* 249 */ "raisetype ::= ABORT", /* 250 */ "raisetype ::= FAIL", /* 251 */ "cmd ::= DROP TRIGGER ifexists fullname", /* 252 */ "cmd ::= ATTACH database_kw_opt expr AS expr key_opt", /* 253 */ "cmd ::= DETACH database_kw_opt expr", /* 254 */ "key_opt ::=", /* 255 */ "key_opt ::= KEY expr", /* 256 */ "cmd ::= REINDEX", /* 257 */ "cmd ::= REINDEX nm dbnm", /* 258 */ "cmd ::= ANALYZE", /* 259 */ "cmd ::= ANALYZE nm dbnm", /* 260 */ "cmd ::= ALTER TABLE fullname RENAME TO nm", /* 261 */ "cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist", /* 262 */ "add_column_fullname ::= fullname", /* 263 */ "cmd ::= create_vtab", /* 264 */ "cmd ::= create_vtab LP vtabarglist RP", /* 265 */ "create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm", /* 266 */ "vtabarg ::=", /* 267 */ "vtabargtoken ::= ANY", /* 268 */ "vtabargtoken ::= lp anylist RP", /* 269 */ "lp ::= LP", /* 270 */ "with ::=", /* 271 */ "with ::= WITH wqlist", /* 272 */ "with ::= WITH RECURSIVE wqlist", /* 273 */ "wqlist ::= nm eidlist_opt AS LP select RP", /* 274 */ "wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP", /* 275 */ "input ::= cmdlist", /* 276 */ "cmdlist ::= cmdlist ecmd", /* 277 */ "cmdlist ::= ecmd", /* 278 */ "ecmd ::= SEMI", /* 279 */ "ecmd ::= explain cmdx SEMI", /* 280 */ "explain ::=", /* 281 */ "trans_opt ::=", /* 282 */ "trans_opt ::= TRANSACTION", /* 283 */ "trans_opt ::= TRANSACTION nm", /* 284 */ "savepoint_opt ::= SAVEPOINT", /* 285 */ "savepoint_opt ::=", /* 286 */ "cmd ::= create_table create_table_args", /* 287 */ "columnlist ::= columnlist COMMA columnname carglist", /* 288 */ "columnlist ::= columnname carglist", /* 289 */ "nm ::= ID|INDEXED", /* 290 */ "nm ::= STRING", /* 291 */ "nm ::= JOIN_KW", /* 292 */ "typetoken ::= typename", /* 293 */ "typename ::= ID|STRING", /* 294 */ "signed ::= plus_num", /* 295 */ "signed ::= minus_num", /* 296 */ "carglist ::= carglist ccons", /* 297 */ "carglist ::=", /* 298 */ "ccons ::= NULL onconf", /* 299 */ "conslist_opt ::= COMMA conslist", /* 300 */ "conslist ::= conslist tconscomma tcons", /* 301 */ "conslist ::= tcons", /* 302 */ "tconscomma ::=", /* 303 */ "defer_subclause_opt ::= defer_subclause", /* 304 */ "resolvetype ::= raisetype", /* 305 */ "selectnowith ::= oneselect", /* 306 */ "oneselect ::= values", /* 307 */ "sclp ::= selcollist COMMA", /* 308 */ "as ::= ID|STRING", /* 309 */ "expr ::= term", /* 310 */ "likeop ::= LIKE_KW|MATCH", /* 311 */ "exprlist ::= nexprlist", /* 312 */ "nmnum ::= plus_num", /* 313 */ "nmnum ::= nm", /* 314 */ "nmnum ::= ON", /* 315 */ "nmnum ::= DELETE", /* 316 */ "nmnum ::= DEFAULT", /* 317 */ "plus_num ::= INTEGER|FLOAT", /* 318 */ "foreach_clause ::=", /* 319 */ "foreach_clause ::= FOR EACH ROW", /* 320 */ "trnm ::= nm", /* 321 */ "tridxby ::=", /* 322 */ "database_kw_opt ::= DATABASE", /* 323 */ "database_kw_opt ::=", /* 324 */ "kwcolumn_opt ::=", /* 325 */ "kwcolumn_opt ::= COLUMNKW", /* 326 */ "vtabarglist ::= vtabarg", /* 327 */ "vtabarglist ::= vtabarglist COMMA vtabarg", /* 328 */ "vtabarg ::= vtabarg vtabargtoken", /* 329 */ "anylist ::=", /* 330 */ "anylist ::= anylist LP anylist RP", /* 331 */ "anylist ::= anylist ANY", }; #endif /* NDEBUG */ #if YYSTACKDEPTH<=0 /* ** Try to increase the size of the parser stack. Return the number ................................................................................ #endif #ifndef YYNOERRORRECOVERY pParser->yyerrcnt = -1; #endif pParser->yytos = pParser->yystack; pParser->yystack[0].stateno = 0; pParser->yystack[0].major = 0; } #ifndef sqlite3Parser_ENGINEALWAYSONSTACK /* ** This function allocates a new parser. ** The only argument is a pointer to a function which works like ** malloc. ................................................................................ #ifdef YYTRACKMAXSTACKDEPTH if( (int)(yypParser->yytos - yypParser->yystack)>yypParser->yyhwm ){ yypParser->yyhwm++; assert( yypParser->yyhwm == (int)(yypParser->yytos - yypParser->yystack) ); } #endif #if YYSTACKDEPTH>0 if( yypParser->yytos>=&yypParser->yystack[YYSTACKDEPTH] ){ yypParser->yytos--; yyStackOverflow(yypParser); return; } #else if( yypParser->yytos>=&yypParser->yystack[yypParser->yystksz] ){ if( yyGrowStack(yypParser) ){ ................................................................................ yyTraceShift(yypParser, yyNewState); } /* The following table contains information about every rule that ** is used during the reduce. */ static const struct { YYCODETYPE lhs; /* Symbol on the left-hand side of the rule */ unsigned char nrhs; /* Number of right-hand side symbols in the rule */ } yyRuleInfo[] = { { 147, 1 }, { 147, 3 }, { 148, 1 }, { 149, 3 }, { 150, 0 }, { 150, 1 }, { 150, 1 }, { 150, 1 }, { 149, 2 }, { 149, 2 }, { 149, 2 }, { 149, 2 }, { 149, 3 }, { 149, 5 }, { 154, 6 }, { 156, 1 }, { 158, 0 }, { 158, 3 }, { 157, 1 }, { 157, 0 }, { 155, 5 }, { 155, 2 }, { 162, 0 }, { 162, 2 }, { 164, 2 }, { 166, 0 }, { 166, 4 }, { 166, 6 }, { 167, 2 }, { 171, 2 }, { 171, 2 }, { 171, 4 }, { 171, 3 }, { 171, 3 }, { 171, 2 }, { 171, 3 }, { 171, 5 }, { 171, 2 }, { 171, 4 }, { 171, 4 }, { 171, 1 }, { 171, 2 }, { 176, 0 }, { 176, 1 }, { 178, 0 }, { 178, 2 }, { 180, 2 }, { 180, 3 }, { 180, 3 }, { 180, 3 }, { 181, 2 }, { 181, 2 }, { 181, 1 }, { 181, 1 }, { 181, 2 }, { 179, 3 }, { 179, 2 }, { 182, 0 }, { 182, 2 }, { 182, 2 }, { 161, 0 }, { 184, 1 }, { 185, 2 }, { 185, 7 }, { 185, 5 }, { 185, 5 }, { 185, 10 }, { 188, 0 }, { 174, 0 }, { 174, 3 }, { 189, 0 }, { 189, 2 }, { 190, 1 }, { 190, 1 }, { 149, 4 }, { 192, 2 }, { 192, 0 }, { 149, 9 }, { 149, 4 }, { 149, 1 }, { 163, 2 }, { 194, 3 }, { 197, 1 }, { 197, 2 }, { 197, 1 }, { 195, 9 }, { 206, 4 }, { 206, 5 }, { 198, 1 }, { 198, 1 }, { 198, 0 }, { 209, 0 }, { 199, 3 }, { 199, 2 }, { 199, 4 }, { 210, 2 }, { 210, 0 }, { 200, 0 }, { 200, 2 }, { 212, 2 }, { 212, 0 }, { 211, 7 }, { 211, 9 }, { 211, 7 }, { 211, 7 }, { 159, 0 }, { 159, 2 }, { 193, 2 }, { 213, 1 }, { 213, 2 }, { 213, 3 }, { 213, 4 }, { 215, 2 }, { 215, 0 }, { 214, 0 }, { 214, 3 }, { 214, 2 }, { 216, 4 }, { 216, 0 }, { 204, 0 }, { 204, 3 }, { 186, 4 }, { 186, 2 }, { 175, 1 }, { 175, 1 }, { 175, 0 }, { 202, 0 }, { 202, 3 }, { 203, 0 }, { 203, 2 }, { 205, 0 }, { 205, 2 }, { 205, 4 }, { 205, 4 }, { 149, 6 }, { 201, 0 }, { 201, 2 }, { 149, 8 }, { 218, 5 }, { 218, 7 }, { 218, 3 }, { 218, 5 }, { 149, 6 }, { 149, 7 }, { 219, 2 }, { 219, 1 }, { 220, 0 }, { 220, 3 }, { 217, 3 }, { 217, 1 }, { 173, 3 }, { 172, 1 }, { 173, 1 }, { 173, 1 }, { 173, 3 }, { 173, 5 }, { 172, 1 }, { 172, 1 }, { 172, 1 }, { 173, 1 }, { 173, 3 }, { 173, 6 }, { 173, 5 }, { 173, 4 }, { 172, 1 }, { 173, 5 }, { 173, 3 }, { 173, 3 }, { 173, 3 }, { 173, 3 }, { 173, 3 }, { 173, 3 }, { 173, 3 }, { 173, 3 }, { 221, 2 }, { 173, 3 }, { 173, 5 }, { 173, 2 }, { 173, 3 }, { 173, 3 }, { 173, 4 }, { 173, 2 }, { 173, 2 }, { 173, 2 }, { 173, 2 }, { 222, 1 }, { 222, 2 }, { 173, 5 }, { 223, 1 }, { 223, 2 }, { 173, 5 }, { 173, 3 }, { 173, 5 }, { 173, 5 }, { 173, 4 }, { 173, 5 }, { 226, 5 }, { 226, 4 }, { 227, 2 }, { 227, 0 }, { 225, 1 }, { 225, 0 }, { 208, 0 }, { 207, 3 }, { 207, 1 }, { 224, 0 }, { 224, 3 }, { 149, 12 }, { 228, 1 }, { 228, 0 }, { 177, 0 }, { 177, 3 }, { 187, 5 }, { 187, 3 }, { 229, 0 }, { 229, 2 }, { 149, 4 }, { 149, 1 }, { 149, 2 }, { 149, 3 }, { 149, 5 }, { 149, 6 }, { 149, 5 }, { 149, 6 }, { 169, 2 }, { 170, 2 }, { 149, 5 }, { 231, 11 }, { 233, 1 }, { 233, 1 }, { 233, 2 }, { 233, 0 }, { 234, 1 }, { 234, 1 }, { 234, 3 }, { 236, 0 }, { 236, 2 }, { 232, 3 }, { 232, 2 }, { 238, 3 }, { 239, 3 }, { 239, 2 }, { 237, 7 }, { 237, 5 }, { 237, 5 }, { 237, 1 }, { 173, 4 }, { 173, 6 }, { 191, 1 }, { 191, 1 }, { 191, 1 }, { 149, 4 }, { 149, 6 }, { 149, 3 }, { 241, 0 }, { 241, 2 }, { 149, 1 }, { 149, 3 }, { 149, 1 }, { 149, 3 }, { 149, 6 }, { 149, 7 }, { 242, 1 }, { 149, 1 }, { 149, 4 }, { 244, 8 }, { 246, 0 }, { 247, 1 }, { 247, 3 }, { 248, 1 }, { 196, 0 }, { 196, 2 }, { 196, 3 }, { 250, 6 }, { 250, 8 }, { 144, 1 }, { 145, 2 }, { 145, 1 }, { 146, 1 }, { 146, 3 }, { 147, 0 }, { 151, 0 }, { 151, 1 }, { 151, 2 }, { 153, 1 }, { 153, 0 }, { 149, 2 }, { 160, 4 }, { 160, 2 }, { 152, 1 }, { 152, 1 }, { 152, 1 }, { 166, 1 }, { 167, 1 }, { 168, 1 }, { 168, 1 }, { 165, 2 }, { 165, 0 }, { 171, 2 }, { 161, 2 }, { 183, 3 }, { 183, 1 }, { 184, 0 }, { 188, 1 }, { 190, 1 }, { 194, 1 }, { 195, 1 }, { 209, 2 }, { 210, 1 }, { 173, 1 }, { 221, 1 }, { 208, 1 }, { 230, 1 }, { 230, 1 }, { 230, 1 }, { 230, 1 }, { 230, 1 }, { 169, 1 }, { 235, 0 }, { 235, 3 }, { 238, 1 }, { 239, 0 }, { 240, 1 }, { 240, 0 }, { 243, 0 }, { 243, 1 }, { 245, 1 }, { 245, 3 }, { 246, 2 }, { 249, 0 }, { 249, 4 }, { 249, 2 }, }; static void yy_accept(yyParser*); /* Forward Declaration */ /* ** Perform a reduce action and the shift that must immediately ** follow the reduce. ................................................................................ int yysize; /* Amount to pop the stack */ sqlite3ParserARG_FETCH; yymsp = yypParser->yytos; #ifndef NDEBUG if( yyTraceFILE && yyruleno<(int)(sizeof(yyRuleName)/sizeof(yyRuleName[0])) ){ yysize = yyRuleInfo[yyruleno].nrhs; fprintf(yyTraceFILE, "%sReduce [%s], go to state %d.\n", yyTracePrompt, yyRuleName[yyruleno], yymsp[-yysize].stateno); } #endif /* NDEBUG */ /* Check that the stack is large enough to grow by a single entry ** if the RHS of the rule is empty. This ensures that there is room ** enough on the stack to push the LHS value */ if( yyRuleInfo[yyruleno].nrhs==0 ){ ................................................................................ #ifdef YYTRACKMAXSTACKDEPTH if( (int)(yypParser->yytos - yypParser->yystack)>yypParser->yyhwm ){ yypParser->yyhwm++; assert( yypParser->yyhwm == (int)(yypParser->yytos - yypParser->yystack)); } #endif #if YYSTACKDEPTH>0 if( yypParser->yytos>=&yypParser->yystack[YYSTACKDEPTH-1] ){ yyStackOverflow(yypParser); return; } #else if( yypParser->yytos>=&yypParser->yystack[yypParser->yystksz-1] ){ if( yyGrowStack(yypParser) ){ yyStackOverflow(yypParser); ................................................................................ {yymsp[1].minor.yy194 = TK_DEFERRED;} break; case 5: /* transtype ::= DEFERRED */ case 6: /* transtype ::= IMMEDIATE */ yytestcase(yyruleno==6); case 7: /* transtype ::= EXCLUSIVE */ yytestcase(yyruleno==7); {yymsp[0].minor.yy194 = yymsp[0].major; /*A-overwrites-X*/} break; case 8: /* cmd ::= COMMIT trans_opt */ case 9: /* cmd ::= END trans_opt */ yytestcase(yyruleno==9); {sqlite3CommitTransaction(pParse);} break; case 10: /* cmd ::= ROLLBACK trans_opt */ {sqlite3RollbackTransaction(pParse);} break; case 11: /* cmd ::= SAVEPOINT nm */ { sqlite3Savepoint(pParse, SAVEPOINT_BEGIN, &yymsp[0].minor.yy0); } break; case 12: /* cmd ::= RELEASE savepoint_opt nm */ { sqlite3Savepoint(pParse, SAVEPOINT_RELEASE, &yymsp[0].minor.yy0); } break; case 13: /* cmd ::= ROLLBACK trans_opt TO savepoint_opt nm */ { sqlite3Savepoint(pParse, SAVEPOINT_ROLLBACK, &yymsp[0].minor.yy0); } break; case 14: /* create_table ::= createkw temp TABLE ifnotexists nm dbnm */ { sqlite3StartTable(pParse,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0,yymsp[-4].minor.yy194,0,0,yymsp[-2].minor.yy194); } break; case 15: /* createkw ::= CREATE */ {disableLookaside(pParse);} break; case 16: /* ifnotexists ::= */ case 19: /* temp ::= */ yytestcase(yyruleno==19); case 22: /* table_options ::= */ yytestcase(yyruleno==22); case 42: /* autoinc ::= */ yytestcase(yyruleno==42); case 57: /* init_deferred_pred_opt ::= */ yytestcase(yyruleno==57); case 67: /* defer_subclause_opt ::= */ yytestcase(yyruleno==67); case 76: /* ifexists ::= */ yytestcase(yyruleno==76); case 90: /* distinct ::= */ yytestcase(yyruleno==90); case 214: /* collate ::= */ yytestcase(yyruleno==214); {yymsp[1].minor.yy194 = 0;} break; case 17: /* ifnotexists ::= IF NOT EXISTS */ {yymsp[-2].minor.yy194 = 1;} break; case 18: /* temp ::= TEMP */ case 43: /* autoinc ::= AUTOINCR */ yytestcase(yyruleno==43); {yymsp[0].minor.yy194 = 1;} break; case 20: /* create_table_args ::= LP columnlist conslist_opt RP table_options */ { sqlite3EndTable(pParse,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0,yymsp[0].minor.yy194,0); } break; case 21: /* create_table_args ::= AS select */ { sqlite3EndTable(pParse,0,0,0,yymsp[0].minor.yy243); sqlite3SelectDelete(pParse->db, yymsp[0].minor.yy243); } break; case 23: /* table_options ::= WITHOUT nm */ { if( yymsp[0].minor.yy0.n==5 && sqlite3_strnicmp(yymsp[0].minor.yy0.z,"rowid",5)==0 ){ yymsp[-1].minor.yy194 = TF_WithoutRowid | TF_NoVisibleRowid; }else{ yymsp[-1].minor.yy194 = 0; sqlite3ErrorMsg(pParse, "unknown table option: %.*s", yymsp[0].minor.yy0.n, yymsp[0].minor.yy0.z); } } break; case 24: /* columnname ::= nm typetoken */ {sqlite3AddColumn(pParse,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0);} break; case 25: /* typetoken ::= */ case 60: /* conslist_opt ::= */ yytestcase(yyruleno==60); case 96: /* as ::= */ yytestcase(yyruleno==96); {yymsp[1].minor.yy0.n = 0; yymsp[1].minor.yy0.z = 0;} break; case 26: /* typetoken ::= typename LP signed RP */ { yymsp[-3].minor.yy0.n = (int)(&yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n] - yymsp[-3].minor.yy0.z); } break; case 27: /* typetoken ::= typename LP signed COMMA signed RP */ { yymsp[-5].minor.yy0.n = (int)(&yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n] - yymsp[-5].minor.yy0.z); } break; case 28: /* typename ::= typename ID|STRING */ {yymsp[-1].minor.yy0.n=yymsp[0].minor.yy0.n+(int)(yymsp[0].minor.yy0.z-yymsp[-1].minor.yy0.z);} break; case 29: /* ccons ::= CONSTRAINT nm */ case 62: /* tcons ::= CONSTRAINT nm */ yytestcase(yyruleno==62); {pParse->constraintName = yymsp[0].minor.yy0;} break; case 30: /* ccons ::= DEFAULT term */ case 32: /* ccons ::= DEFAULT PLUS term */ yytestcase(yyruleno==32); {sqlite3AddDefaultValue(pParse,&yymsp[0].minor.yy190);} break; case 31: /* ccons ::= DEFAULT LP expr RP */ {sqlite3AddDefaultValue(pParse,&yymsp[-1].minor.yy190);} break; case 33: /* ccons ::= DEFAULT MINUS term */ { ExprSpan v; v.pExpr = sqlite3PExpr(pParse, TK_UMINUS, yymsp[0].minor.yy190.pExpr, 0); v.zStart = yymsp[-1].minor.yy0.z; v.zEnd = yymsp[0].minor.yy190.zEnd; sqlite3AddDefaultValue(pParse,&v); } break; case 34: /* ccons ::= DEFAULT ID|INDEXED */ { ExprSpan v; spanExpr(&v, pParse, TK_STRING, yymsp[0].minor.yy0); sqlite3AddDefaultValue(pParse,&v); } break; case 35: /* ccons ::= NOT NULL onconf */ {sqlite3AddNotNull(pParse, yymsp[0].minor.yy194);} break; case 36: /* ccons ::= PRIMARY KEY sortorder onconf autoinc */ {sqlite3AddPrimaryKey(pParse,0,yymsp[-1].minor.yy194,yymsp[0].minor.yy194,yymsp[-2].minor.yy194);} break; case 37: /* ccons ::= UNIQUE onconf */ {sqlite3CreateIndex(pParse,0,0,0,0,yymsp[0].minor.yy194,0,0,0,0, SQLITE_IDXTYPE_UNIQUE);} break; case 38: /* ccons ::= CHECK LP expr RP */ {sqlite3AddCheckConstraint(pParse,yymsp[-1].minor.yy190.pExpr);} break; case 39: /* ccons ::= REFERENCES nm eidlist_opt refargs */ {sqlite3CreateForeignKey(pParse,0,&yymsp[-2].minor.yy0,yymsp[-1].minor.yy148,yymsp[0].minor.yy194);} break; case 40: /* ccons ::= defer_subclause */ {sqlite3DeferForeignKey(pParse,yymsp[0].minor.yy194);} break; case 41: /* ccons ::= COLLATE ID|STRING */ {sqlite3AddCollateType(pParse, &yymsp[0].minor.yy0);} break; case 44: /* refargs ::= */ { yymsp[1].minor.yy194 = OE_None*0x0101; /* EV: R-19803-45884 */} break; case 45: /* refargs ::= refargs refarg */ { yymsp[-1].minor.yy194 = (yymsp[-1].minor.yy194 & ~yymsp[0].minor.yy497.mask) | yymsp[0].minor.yy497.value; } break; case 46: /* refarg ::= MATCH nm */ { yymsp[-1].minor.yy497.value = 0; yymsp[-1].minor.yy497.mask = 0x000000; } break; case 47: /* refarg ::= ON INSERT refact */ { yymsp[-2].minor.yy497.value = 0; yymsp[-2].minor.yy497.mask = 0x000000; } break; case 48: /* refarg ::= ON DELETE refact */ { yymsp[-2].minor.yy497.value = yymsp[0].minor.yy194; yymsp[-2].minor.yy497.mask = 0x0000ff; } break; case 49: /* refarg ::= ON UPDATE refact */ { yymsp[-2].minor.yy497.value = yymsp[0].minor.yy194<<8; yymsp[-2].minor.yy497.mask = 0x00ff00; } break; case 50: /* refact ::= SET NULL */ { yymsp[-1].minor.yy194 = OE_SetNull; /* EV: R-33326-45252 */} break; case 51: /* refact ::= SET DEFAULT */ { yymsp[-1].minor.yy194 = OE_SetDflt; /* EV: R-33326-45252 */} break; case 52: /* refact ::= CASCADE */ { yymsp[0].minor.yy194 = OE_Cascade; /* EV: R-33326-45252 */} break; case 53: /* refact ::= RESTRICT */ { yymsp[0].minor.yy194 = OE_Restrict; /* EV: R-33326-45252 */} break; case 54: /* refact ::= NO ACTION */ { yymsp[-1].minor.yy194 = OE_None; /* EV: R-33326-45252 */} break; case 55: /* defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt */ {yymsp[-2].minor.yy194 = 0;} break; case 56: /* defer_subclause ::= DEFERRABLE init_deferred_pred_opt */ case 71: /* orconf ::= OR resolvetype */ yytestcase(yyruleno==71); case 144: /* insert_cmd ::= INSERT orconf */ yytestcase(yyruleno==144); {yymsp[-1].minor.yy194 = yymsp[0].minor.yy194;} break; case 58: /* init_deferred_pred_opt ::= INITIALLY DEFERRED */ case 75: /* ifexists ::= IF EXISTS */ yytestcase(yyruleno==75); case 186: /* between_op ::= NOT BETWEEN */ yytestcase(yyruleno==186); case 189: /* in_op ::= NOT IN */ yytestcase(yyruleno==189); case 215: /* collate ::= COLLATE ID|STRING */ yytestcase(yyruleno==215); {yymsp[-1].minor.yy194 = 1;} break; case 59: /* init_deferred_pred_opt ::= INITIALLY IMMEDIATE */ {yymsp[-1].minor.yy194 = 0;} break; case 61: /* tconscomma ::= COMMA */ {pParse->constraintName.n = 0;} break; case 63: /* tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf */ {sqlite3AddPrimaryKey(pParse,yymsp[-3].minor.yy148,yymsp[0].minor.yy194,yymsp[-2].minor.yy194,0);} break; case 64: /* tcons ::= UNIQUE LP sortlist RP onconf */ {sqlite3CreateIndex(pParse,0,0,0,yymsp[-2].minor.yy148,yymsp[0].minor.yy194,0,0,0,0, SQLITE_IDXTYPE_UNIQUE);} break; case 65: /* tcons ::= CHECK LP expr RP onconf */ {sqlite3AddCheckConstraint(pParse,yymsp[-2].minor.yy190.pExpr);} break; case 66: /* tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt */ { sqlite3CreateForeignKey(pParse, yymsp[-6].minor.yy148, &yymsp[-3].minor.yy0, yymsp[-2].minor.yy148, yymsp[-1].minor.yy194); sqlite3DeferForeignKey(pParse, yymsp[0].minor.yy194); } break; case 68: /* onconf ::= */ case 70: /* orconf ::= */ yytestcase(yyruleno==70); {yymsp[1].minor.yy194 = OE_Default;} break; case 69: /* onconf ::= ON CONFLICT resolvetype */ {yymsp[-2].minor.yy194 = yymsp[0].minor.yy194;} break; case 72: /* resolvetype ::= IGNORE */ {yymsp[0].minor.yy194 = OE_Ignore;} break; case 73: /* resolvetype ::= REPLACE */ case 145: /* insert_cmd ::= REPLACE */ yytestcase(yyruleno==145); {yymsp[0].minor.yy194 = OE_Replace;} break; case 74: /* cmd ::= DROP TABLE ifexists fullname */ { sqlite3DropTable(pParse, yymsp[0].minor.yy185, 0, yymsp[-1].minor.yy194); } break; case 77: /* cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select */ { sqlite3CreateView(pParse, &yymsp[-8].minor.yy0, &yymsp[-4].minor.yy0, &yymsp[-3].minor.yy0, yymsp[-2].minor.yy148, yymsp[0].minor.yy243, yymsp[-7].minor.yy194, yymsp[-5].minor.yy194); } break; case 78: /* cmd ::= DROP VIEW ifexists fullname */ { sqlite3DropTable(pParse, yymsp[0].minor.yy185, 1, yymsp[-1].minor.yy194); } break; case 79: /* cmd ::= select */ { SelectDest dest = {SRT_Output, 0, 0, 0, 0, 0}; sqlite3Select(pParse, yymsp[0].minor.yy243, &dest); sqlite3SelectDelete(pParse->db, yymsp[0].minor.yy243); } break; case 80: /* select ::= with selectnowith */ { Select *p = yymsp[0].minor.yy243; if( p ){ p->pWith = yymsp[-1].minor.yy285; parserDoubleLinkSelect(pParse, p); }else{ sqlite3WithDelete(pParse->db, yymsp[-1].minor.yy285); } yymsp[-1].minor.yy243 = p; /*A-overwrites-W*/ } break; case 81: /* selectnowith ::= selectnowith multiselect_op oneselect */ { Select *pRhs = yymsp[0].minor.yy243; Select *pLhs = yymsp[-2].minor.yy243; if( pRhs && pRhs->pPrior ){ SrcList *pFrom; Token x; x.n = 0; ................................................................................ if( yymsp[-1].minor.yy194!=TK_ALL ) pParse->hasCompound = 1; }else{ sqlite3SelectDelete(pParse->db, pLhs); } yymsp[-2].minor.yy243 = pRhs; } break; case 82: /* multiselect_op ::= UNION */ case 84: /* multiselect_op ::= EXCEPT|INTERSECT */ yytestcase(yyruleno==84); {yymsp[0].minor.yy194 = yymsp[0].major; /*A-overwrites-OP*/} break; case 83: /* multiselect_op ::= UNION ALL */ {yymsp[-1].minor.yy194 = TK_ALL;} break; case 85: /* oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt */ { #if SELECTTRACE_ENABLED Token s = yymsp[-8].minor.yy0; /*A-overwrites-S*/ #endif yymsp[-8].minor.yy243 = sqlite3SelectNew(pParse,yymsp[-6].minor.yy148,yymsp[-5].minor.yy185,yymsp[-4].minor.yy72,yymsp[-3].minor.yy148,yymsp[-2].minor.yy72,yymsp[-1].minor.yy148,yymsp[-7].minor.yy194,yymsp[0].minor.yy354.pLimit,yymsp[0].minor.yy354.pOffset); #if SELECTTRACE_ENABLED /* Populate the Select.zSelName[] string that is used to help with ................................................................................ for(i=0; sqlite3Isalnum(z[i]); i++){} sqlite3_snprintf(sizeof(yymsp[-8].minor.yy243->zSelName), yymsp[-8].minor.yy243->zSelName, "%.*s", i, z); } } #endif /* SELECTRACE_ENABLED */ } break; case 86: /* values ::= VALUES LP nexprlist RP */ { yymsp[-3].minor.yy243 = sqlite3SelectNew(pParse,yymsp[-1].minor.yy148,0,0,0,0,0,SF_Values,0,0); } break; case 87: /* values ::= values COMMA LP exprlist RP */ { Select *pRight, *pLeft = yymsp[-4].minor.yy243; pRight = sqlite3SelectNew(pParse,yymsp[-1].minor.yy148,0,0,0,0,0,SF_Values|SF_MultiValue,0,0); if( ALWAYS(pLeft) ) pLeft->selFlags &= ~SF_MultiValue; if( pRight ){ pRight->op = TK_ALL; pRight->pPrior = pLeft; yymsp[-4].minor.yy243 = pRight; }else{ yymsp[-4].minor.yy243 = pLeft; } } break; case 88: /* distinct ::= DISTINCT */ {yymsp[0].minor.yy194 = SF_Distinct;} break; case 89: /* distinct ::= ALL */ {yymsp[0].minor.yy194 = SF_All;} break; case 91: /* sclp ::= */ case 119: /* orderby_opt ::= */ yytestcase(yyruleno==119); case 126: /* groupby_opt ::= */ yytestcase(yyruleno==126); case 202: /* exprlist ::= */ yytestcase(yyruleno==202); case 205: /* paren_exprlist ::= */ yytestcase(yyruleno==205); case 210: /* eidlist_opt ::= */ yytestcase(yyruleno==210); {yymsp[1].minor.yy148 = 0;} break; case 92: /* selcollist ::= sclp expr as */ { yymsp[-2].minor.yy148 = sqlite3ExprListAppend(pParse, yymsp[-2].minor.yy148, yymsp[-1].minor.yy190.pExpr); if( yymsp[0].minor.yy0.n>0 ) sqlite3ExprListSetName(pParse, yymsp[-2].minor.yy148, &yymsp[0].minor.yy0, 1); sqlite3ExprListSetSpan(pParse,yymsp[-2].minor.yy148,&yymsp[-1].minor.yy190); } break; case 93: /* selcollist ::= sclp STAR */ { Expr *p = sqlite3Expr(pParse->db, TK_ASTERISK, 0); yymsp[-1].minor.yy148 = sqlite3ExprListAppend(pParse, yymsp[-1].minor.yy148, p); } break; case 94: /* selcollist ::= sclp nm DOT STAR */ { Expr *pRight = sqlite3PExpr(pParse, TK_ASTERISK, 0, 0); Expr *pLeft = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[-2].minor.yy0, 1); Expr *pDot = sqlite3PExpr(pParse, TK_DOT, pLeft, pRight); yymsp[-3].minor.yy148 = sqlite3ExprListAppend(pParse,yymsp[-3].minor.yy148, pDot); } break; case 95: /* as ::= AS nm */ case 106: /* dbnm ::= DOT nm */ yytestcase(yyruleno==106); case 224: /* plus_num ::= PLUS INTEGER|FLOAT */ yytestcase(yyruleno==224); case 225: /* minus_num ::= MINUS INTEGER|FLOAT */ yytestcase(yyruleno==225); {yymsp[-1].minor.yy0 = yymsp[0].minor.yy0;} break; case 97: /* from ::= */ {yymsp[1].minor.yy185 = sqlite3DbMallocZero(pParse->db, sizeof(*yymsp[1].minor.yy185));} break; case 98: /* from ::= FROM seltablist */ { yymsp[-1].minor.yy185 = yymsp[0].minor.yy185; sqlite3SrcListShiftJoinType(yymsp[-1].minor.yy185); } break; case 99: /* stl_prefix ::= seltablist joinop */ { if( ALWAYS(yymsp[-1].minor.yy185 && yymsp[-1].minor.yy185->nSrc>0) ) yymsp[-1].minor.yy185->a[yymsp[-1].minor.yy185->nSrc-1].fg.jointype = (u8)yymsp[0].minor.yy194; } break; case 100: /* stl_prefix ::= */ {yymsp[1].minor.yy185 = 0;} break; case 101: /* seltablist ::= stl_prefix nm dbnm as indexed_opt on_opt using_opt */ { yymsp[-6].minor.yy185 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy185,&yymsp[-5].minor.yy0,&yymsp[-4].minor.yy0,&yymsp[-3].minor.yy0,0,yymsp[-1].minor.yy72,yymsp[0].minor.yy254); sqlite3SrcListIndexedBy(pParse, yymsp[-6].minor.yy185, &yymsp[-2].minor.yy0); } break; case 102: /* seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_opt using_opt */ { yymsp[-8].minor.yy185 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-8].minor.yy185,&yymsp[-7].minor.yy0,&yymsp[-6].minor.yy0,&yymsp[-2].minor.yy0,0,yymsp[-1].minor.yy72,yymsp[0].minor.yy254); sqlite3SrcListFuncArgs(pParse, yymsp[-8].minor.yy185, yymsp[-4].minor.yy148); } break; case 103: /* seltablist ::= stl_prefix LP select RP as on_opt using_opt */ { yymsp[-6].minor.yy185 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy185,0,0,&yymsp[-2].minor.yy0,yymsp[-4].minor.yy243,yymsp[-1].minor.yy72,yymsp[0].minor.yy254); } break; case 104: /* seltablist ::= stl_prefix LP seltablist RP as on_opt using_opt */ { if( yymsp[-6].minor.yy185==0 && yymsp[-2].minor.yy0.n==0 && yymsp[-1].minor.yy72==0 && yymsp[0].minor.yy254==0 ){ yymsp[-6].minor.yy185 = yymsp[-4].minor.yy185; }else if( yymsp[-4].minor.yy185->nSrc==1 ){ yymsp[-6].minor.yy185 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy185,0,0,&yymsp[-2].minor.yy0,0,yymsp[-1].minor.yy72,yymsp[0].minor.yy254); if( yymsp[-6].minor.yy185 ){ struct SrcList_item *pNew = &yymsp[-6].minor.yy185->a[yymsp[-6].minor.yy185->nSrc-1]; ................................................................................ Select *pSubquery; sqlite3SrcListShiftJoinType(yymsp[-4].minor.yy185); pSubquery = sqlite3SelectNew(pParse,0,yymsp[-4].minor.yy185,0,0,0,0,SF_NestedFrom,0,0); yymsp[-6].minor.yy185 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy185,0,0,&yymsp[-2].minor.yy0,pSubquery,yymsp[-1].minor.yy72,yymsp[0].minor.yy254); } } break; case 105: /* dbnm ::= */ case 114: /* indexed_opt ::= */ yytestcase(yyruleno==114); {yymsp[1].minor.yy0.z=0; yymsp[1].minor.yy0.n=0;} break; case 107: /* fullname ::= nm dbnm */ {yymsp[-1].minor.yy185 = sqlite3SrcListAppend(pParse->db,0,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0); /*A-overwrites-X*/} break; case 108: /* joinop ::= COMMA|JOIN */ { yymsp[0].minor.yy194 = JT_INNER; } break; case 109: /* joinop ::= JOIN_KW JOIN */ {yymsp[-1].minor.yy194 = sqlite3JoinType(pParse,&yymsp[-1].minor.yy0,0,0); /*X-overwrites-A*/} break; case 110: /* joinop ::= JOIN_KW nm JOIN */ {yymsp[-2].minor.yy194 = sqlite3JoinType(pParse,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0,0); /*X-overwrites-A*/} break; case 111: /* joinop ::= JOIN_KW nm nm JOIN */ {yymsp[-3].minor.yy194 = sqlite3JoinType(pParse,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0);/*X-overwrites-A*/} break; case 112: /* on_opt ::= ON expr */ case 129: /* having_opt ::= HAVING expr */ yytestcase(yyruleno==129); case 136: /* where_opt ::= WHERE expr */ yytestcase(yyruleno==136); case 198: /* case_else ::= ELSE expr */ yytestcase(yyruleno==198); {yymsp[-1].minor.yy72 = yymsp[0].minor.yy190.pExpr;} break; case 113: /* on_opt ::= */ case 128: /* having_opt ::= */ yytestcase(yyruleno==128); case 135: /* where_opt ::= */ yytestcase(yyruleno==135); case 199: /* case_else ::= */ yytestcase(yyruleno==199); case 201: /* case_operand ::= */ yytestcase(yyruleno==201); {yymsp[1].minor.yy72 = 0;} break; case 115: /* indexed_opt ::= INDEXED BY nm */ {yymsp[-2].minor.yy0 = yymsp[0].minor.yy0;} break; case 116: /* indexed_opt ::= NOT INDEXED */ {yymsp[-1].minor.yy0.z=0; yymsp[-1].minor.yy0.n=1;} break; case 117: /* using_opt ::= USING LP idlist RP */ {yymsp[-3].minor.yy254 = yymsp[-1].minor.yy254;} break; case 118: /* using_opt ::= */ case 146: /* idlist_opt ::= */ yytestcase(yyruleno==146); {yymsp[1].minor.yy254 = 0;} break; case 120: /* orderby_opt ::= ORDER BY sortlist */ case 127: /* groupby_opt ::= GROUP BY nexprlist */ yytestcase(yyruleno==127); {yymsp[-2].minor.yy148 = yymsp[0].minor.yy148;} break; case 121: /* sortlist ::= sortlist COMMA expr sortorder */ { yymsp[-3].minor.yy148 = sqlite3ExprListAppend(pParse,yymsp[-3].minor.yy148,yymsp[-1].minor.yy190.pExpr); sqlite3ExprListSetSortOrder(yymsp[-3].minor.yy148,yymsp[0].minor.yy194); } break; case 122: /* sortlist ::= expr sortorder */ { yymsp[-1].minor.yy148 = sqlite3ExprListAppend(pParse,0,yymsp[-1].minor.yy190.pExpr); /*A-overwrites-Y*/ sqlite3ExprListSetSortOrder(yymsp[-1].minor.yy148,yymsp[0].minor.yy194); } break; case 123: /* sortorder ::= ASC */ {yymsp[0].minor.yy194 = SQLITE_SO_ASC;} break; case 124: /* sortorder ::= DESC */ {yymsp[0].minor.yy194 = SQLITE_SO_DESC;} break; case 125: /* sortorder ::= */ {yymsp[1].minor.yy194 = SQLITE_SO_UNDEFINED;} break; case 130: /* limit_opt ::= */ {yymsp[1].minor.yy354.pLimit = 0; yymsp[1].minor.yy354.pOffset = 0;} break; case 131: /* limit_opt ::= LIMIT expr */ {yymsp[-1].minor.yy354.pLimit = yymsp[0].minor.yy190.pExpr; yymsp[-1].minor.yy354.pOffset = 0;} break; case 132: /* limit_opt ::= LIMIT expr OFFSET expr */ {yymsp[-3].minor.yy354.pLimit = yymsp[-2].minor.yy190.pExpr; yymsp[-3].minor.yy354.pOffset = yymsp[0].minor.yy190.pExpr;} break; case 133: /* limit_opt ::= LIMIT expr COMMA expr */ {yymsp[-3].minor.yy354.pOffset = yymsp[-2].minor.yy190.pExpr; yymsp[-3].minor.yy354.pLimit = yymsp[0].minor.yy190.pExpr;} break; case 134: /* cmd ::= with DELETE FROM fullname indexed_opt where_opt */ { sqlite3WithPush(pParse, yymsp[-5].minor.yy285, 1); sqlite3SrcListIndexedBy(pParse, yymsp[-2].minor.yy185, &yymsp[-1].minor.yy0); sqlite3DeleteFrom(pParse,yymsp[-2].minor.yy185,yymsp[0].minor.yy72); } break; case 137: /* cmd ::= with UPDATE orconf fullname indexed_opt SET setlist where_opt */ { sqlite3WithPush(pParse, yymsp[-7].minor.yy285, 1); sqlite3SrcListIndexedBy(pParse, yymsp[-4].minor.yy185, &yymsp[-3].minor.yy0); sqlite3ExprListCheckLength(pParse,yymsp[-1].minor.yy148,"set list"); sqlite3Update(pParse,yymsp[-4].minor.yy185,yymsp[-1].minor.yy148,yymsp[0].minor.yy72,yymsp[-5].minor.yy194); } break; case 138: /* setlist ::= setlist COMMA nm EQ expr */ { yymsp[-4].minor.yy148 = sqlite3ExprListAppend(pParse, yymsp[-4].minor.yy148, yymsp[0].minor.yy190.pExpr); sqlite3ExprListSetName(pParse, yymsp[-4].minor.yy148, &yymsp[-2].minor.yy0, 1); } break; case 139: /* setlist ::= setlist COMMA LP idlist RP EQ expr */ { yymsp[-6].minor.yy148 = sqlite3ExprListAppendVector(pParse, yymsp[-6].minor.yy148, yymsp[-3].minor.yy254, yymsp[0].minor.yy190.pExpr); } break; case 140: /* setlist ::= nm EQ expr */ { yylhsminor.yy148 = sqlite3ExprListAppend(pParse, 0, yymsp[0].minor.yy190.pExpr); sqlite3ExprListSetName(pParse, yylhsminor.yy148, &yymsp[-2].minor.yy0, 1); } yymsp[-2].minor.yy148 = yylhsminor.yy148; break; case 141: /* setlist ::= LP idlist RP EQ expr */ { yymsp[-4].minor.yy148 = sqlite3ExprListAppendVector(pParse, 0, yymsp[-3].minor.yy254, yymsp[0].minor.yy190.pExpr); } break; case 142: /* cmd ::= with insert_cmd INTO fullname idlist_opt select */ { sqlite3WithPush(pParse, yymsp[-5].minor.yy285, 1); sqlite3Insert(pParse, yymsp[-2].minor.yy185, yymsp[0].minor.yy243, yymsp[-1].minor.yy254, yymsp[-4].minor.yy194); } break; case 143: /* cmd ::= with insert_cmd INTO fullname idlist_opt DEFAULT VALUES */ { sqlite3WithPush(pParse, yymsp[-6].minor.yy285, 1); sqlite3Insert(pParse, yymsp[-3].minor.yy185, 0, yymsp[-2].minor.yy254, yymsp[-5].minor.yy194); } break; case 147: /* idlist_opt ::= LP idlist RP */ {yymsp[-2].minor.yy254 = yymsp[-1].minor.yy254;} break; case 148: /* idlist ::= idlist COMMA nm */ {yymsp[-2].minor.yy254 = sqlite3IdListAppend(pParse->db,yymsp[-2].minor.yy254,&yymsp[0].minor.yy0);} break; case 149: /* idlist ::= nm */ {yymsp[0].minor.yy254 = sqlite3IdListAppend(pParse->db,0,&yymsp[0].minor.yy0); /*A-overwrites-Y*/} break; case 150: /* expr ::= LP expr RP */ {spanSet(&yymsp[-2].minor.yy190,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0); /*A-overwrites-B*/ yymsp[-2].minor.yy190.pExpr = yymsp[-1].minor.yy190.pExpr;} break; case 151: /* term ::= NULL */ case 156: /* term ::= FLOAT|BLOB */ yytestcase(yyruleno==156); case 157: /* term ::= STRING */ yytestcase(yyruleno==157); {spanExpr(&yymsp[0].minor.yy190,pParse,yymsp[0].major,yymsp[0].minor.yy0);/*A-overwrites-X*/} break; case 152: /* expr ::= ID|INDEXED */ case 153: /* expr ::= JOIN_KW */ yytestcase(yyruleno==153); {spanExpr(&yymsp[0].minor.yy190,pParse,TK_ID,yymsp[0].minor.yy0); /*A-overwrites-X*/} break; case 154: /* expr ::= nm DOT nm */ { Expr *temp1 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[-2].minor.yy0, 1); Expr *temp2 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[0].minor.yy0, 1); spanSet(&yymsp[-2].minor.yy190,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0); /*A-overwrites-X*/ yymsp[-2].minor.yy190.pExpr = sqlite3PExpr(pParse, TK_DOT, temp1, temp2); } break; case 155: /* expr ::= nm DOT nm DOT nm */ { Expr *temp1 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[-4].minor.yy0, 1); Expr *temp2 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[-2].minor.yy0, 1); Expr *temp3 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[0].minor.yy0, 1); Expr *temp4 = sqlite3PExpr(pParse, TK_DOT, temp2, temp3); spanSet(&yymsp[-4].minor.yy190,&yymsp[-4].minor.yy0,&yymsp[0].minor.yy0); /*A-overwrites-X*/ yymsp[-4].minor.yy190.pExpr = sqlite3PExpr(pParse, TK_DOT, temp1, temp4); } break; case 158: /* term ::= INTEGER */ { yylhsminor.yy190.pExpr = sqlite3ExprAlloc(pParse->db, TK_INTEGER, &yymsp[0].minor.yy0, 1); yylhsminor.yy190.zStart = yymsp[0].minor.yy0.z; yylhsminor.yy190.zEnd = yymsp[0].minor.yy0.z + yymsp[0].minor.yy0.n; if( yylhsminor.yy190.pExpr ) yylhsminor.yy190.pExpr->flags |= EP_Leaf|EP_Resolved; } yymsp[0].minor.yy190 = yylhsminor.yy190; break; case 159: /* expr ::= VARIABLE */ { if( !(yymsp[0].minor.yy0.z[0]=='#' && sqlite3Isdigit(yymsp[0].minor.yy0.z[1])) ){ u32 n = yymsp[0].minor.yy0.n; spanExpr(&yymsp[0].minor.yy190, pParse, TK_VARIABLE, yymsp[0].minor.yy0); sqlite3ExprAssignVarNumber(pParse, yymsp[0].minor.yy190.pExpr, n); }else{ /* When doing a nested parse, one can include terms in an expression ................................................................................ }else{ yymsp[0].minor.yy190.pExpr = sqlite3PExpr(pParse, TK_REGISTER, 0, 0); if( yymsp[0].minor.yy190.pExpr ) sqlite3GetInt32(&t.z[1], &yymsp[0].minor.yy190.pExpr->iTable); } } } break; case 160: /* expr ::= expr COLLATE ID|STRING */ { yymsp[-2].minor.yy190.pExpr = sqlite3ExprAddCollateToken(pParse, yymsp[-2].minor.yy190.pExpr, &yymsp[0].minor.yy0, 1); yymsp[-2].minor.yy190.zEnd = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n]; } break; case 161: /* expr ::= CAST LP expr AS typetoken RP */ { spanSet(&yymsp[-5].minor.yy190,&yymsp[-5].minor.yy0,&yymsp[0].minor.yy0); /*A-overwrites-X*/ yymsp[-5].minor.yy190.pExpr = sqlite3ExprAlloc(pParse->db, TK_CAST, &yymsp[-1].minor.yy0, 1); sqlite3ExprAttachSubtrees(pParse->db, yymsp[-5].minor.yy190.pExpr, yymsp[-3].minor.yy190.pExpr, 0); } break; case 162: /* expr ::= ID|INDEXED LP distinct exprlist RP */ { if( yymsp[-1].minor.yy148 && yymsp[-1].minor.yy148->nExpr>pParse->db->aLimit[SQLITE_LIMIT_FUNCTION_ARG] ){ sqlite3ErrorMsg(pParse, "too many arguments on function %T", &yymsp[-4].minor.yy0); } yylhsminor.yy190.pExpr = sqlite3ExprFunction(pParse, yymsp[-1].minor.yy148, &yymsp[-4].minor.yy0); spanSet(&yylhsminor.yy190,&yymsp[-4].minor.yy0,&yymsp[0].minor.yy0); if( yymsp[-2].minor.yy194==SF_Distinct && yylhsminor.yy190.pExpr ){ yylhsminor.yy190.pExpr->flags |= EP_Distinct; } } yymsp[-4].minor.yy190 = yylhsminor.yy190; break; case 163: /* expr ::= ID|INDEXED LP STAR RP */ { yylhsminor.yy190.pExpr = sqlite3ExprFunction(pParse, 0, &yymsp[-3].minor.yy0); spanSet(&yylhsminor.yy190,&yymsp[-3].minor.yy0,&yymsp[0].minor.yy0); } yymsp[-3].minor.yy190 = yylhsminor.yy190; break; case 164: /* term ::= CTIME_KW */ { yylhsminor.yy190.pExpr = sqlite3ExprFunction(pParse, 0, &yymsp[0].minor.yy0); spanSet(&yylhsminor.yy190, &yymsp[0].minor.yy0, &yymsp[0].minor.yy0); } yymsp[0].minor.yy190 = yylhsminor.yy190; break; case 165: /* expr ::= LP nexprlist COMMA expr RP */ { ExprList *pList = sqlite3ExprListAppend(pParse, yymsp[-3].minor.yy148, yymsp[-1].minor.yy190.pExpr); yylhsminor.yy190.pExpr = sqlite3PExpr(pParse, TK_VECTOR, 0, 0); if( yylhsminor.yy190.pExpr ){ yylhsminor.yy190.pExpr->x.pList = pList; spanSet(&yylhsminor.yy190, &yymsp[-4].minor.yy0, &yymsp[0].minor.yy0); }else{ sqlite3ExprListDelete(pParse->db, pList); } } yymsp[-4].minor.yy190 = yylhsminor.yy190; break; case 166: /* expr ::= expr AND expr */ case 167: /* expr ::= expr OR expr */ yytestcase(yyruleno==167); case 168: /* expr ::= expr LT|GT|GE|LE expr */ yytestcase(yyruleno==168); case 169: /* expr ::= expr EQ|NE expr */ yytestcase(yyruleno==169); case 170: /* expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ yytestcase(yyruleno==170); case 171: /* expr ::= expr PLUS|MINUS expr */ yytestcase(yyruleno==171); case 172: /* expr ::= expr STAR|SLASH|REM expr */ yytestcase(yyruleno==172); case 173: /* expr ::= expr CONCAT expr */ yytestcase(yyruleno==173); {spanBinaryExpr(pParse,yymsp[-1].major,&yymsp[-2].minor.yy190,&yymsp[0].minor.yy190);} break; case 174: /* likeop ::= NOT LIKE_KW|MATCH */ {yymsp[-1].minor.yy0=yymsp[0].minor.yy0; yymsp[-1].minor.yy0.n|=0x80000000; /*yymsp[-1].minor.yy0-overwrite-yymsp[0].minor.yy0*/} break; case 175: /* expr ::= expr likeop expr */ { ExprList *pList; int bNot = yymsp[-1].minor.yy0.n & 0x80000000; yymsp[-1].minor.yy0.n &= 0x7fffffff; pList = sqlite3ExprListAppend(pParse,0, yymsp[0].minor.yy190.pExpr); pList = sqlite3ExprListAppend(pParse,pList, yymsp[-2].minor.yy190.pExpr); yymsp[-2].minor.yy190.pExpr = sqlite3ExprFunction(pParse, pList, &yymsp[-1].minor.yy0); exprNot(pParse, bNot, &yymsp[-2].minor.yy190); yymsp[-2].minor.yy190.zEnd = yymsp[0].minor.yy190.zEnd; if( yymsp[-2].minor.yy190.pExpr ) yymsp[-2].minor.yy190.pExpr->flags |= EP_InfixFunc; } break; case 176: /* expr ::= expr likeop expr ESCAPE expr */ { ExprList *pList; int bNot = yymsp[-3].minor.yy0.n & 0x80000000; yymsp[-3].minor.yy0.n &= 0x7fffffff; pList = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy190.pExpr); pList = sqlite3ExprListAppend(pParse,pList, yymsp[-4].minor.yy190.pExpr); pList = sqlite3ExprListAppend(pParse,pList, yymsp[0].minor.yy190.pExpr); yymsp[-4].minor.yy190.pExpr = sqlite3ExprFunction(pParse, pList, &yymsp[-3].minor.yy0); exprNot(pParse, bNot, &yymsp[-4].minor.yy190); yymsp[-4].minor.yy190.zEnd = yymsp[0].minor.yy190.zEnd; if( yymsp[-4].minor.yy190.pExpr ) yymsp[-4].minor.yy190.pExpr->flags |= EP_InfixFunc; } break; case 177: /* expr ::= expr ISNULL|NOTNULL */ {spanUnaryPostfix(pParse,yymsp[0].major,&yymsp[-1].minor.yy190,&yymsp[0].minor.yy0);} break; case 178: /* expr ::= expr NOT NULL */ {spanUnaryPostfix(pParse,TK_NOTNULL,&yymsp[-2].minor.yy190,&yymsp[0].minor.yy0);} break; case 179: /* expr ::= expr IS expr */ { spanBinaryExpr(pParse,TK_IS,&yymsp[-2].minor.yy190,&yymsp[0].minor.yy190); binaryToUnaryIfNull(pParse, yymsp[0].minor.yy190.pExpr, yymsp[-2].minor.yy190.pExpr, TK_ISNULL); } break; case 180: /* expr ::= expr IS NOT expr */ { spanBinaryExpr(pParse,TK_ISNOT,&yymsp[-3].minor.yy190,&yymsp[0].minor.yy190); binaryToUnaryIfNull(pParse, yymsp[0].minor.yy190.pExpr, yymsp[-3].minor.yy190.pExpr, TK_NOTNULL); } break; case 181: /* expr ::= NOT expr */ case 182: /* expr ::= BITNOT expr */ yytestcase(yyruleno==182); {spanUnaryPrefix(&yymsp[-1].minor.yy190,pParse,yymsp[-1].major,&yymsp[0].minor.yy190,&yymsp[-1].minor.yy0);/*A-overwrites-B*/} break; case 183: /* expr ::= MINUS expr */ {spanUnaryPrefix(&yymsp[-1].minor.yy190,pParse,TK_UMINUS,&yymsp[0].minor.yy190,&yymsp[-1].minor.yy0);/*A-overwrites-B*/} break; case 184: /* expr ::= PLUS expr */ {spanUnaryPrefix(&yymsp[-1].minor.yy190,pParse,TK_UPLUS,&yymsp[0].minor.yy190,&yymsp[-1].minor.yy0);/*A-overwrites-B*/} break; case 185: /* between_op ::= BETWEEN */ case 188: /* in_op ::= IN */ yytestcase(yyruleno==188); {yymsp[0].minor.yy194 = 0;} break; case 187: /* expr ::= expr between_op expr AND expr */ { ExprList *pList = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy190.pExpr); pList = sqlite3ExprListAppend(pParse,pList, yymsp[0].minor.yy190.pExpr); yymsp[-4].minor.yy190.pExpr = sqlite3PExpr(pParse, TK_BETWEEN, yymsp[-4].minor.yy190.pExpr, 0); if( yymsp[-4].minor.yy190.pExpr ){ yymsp[-4].minor.yy190.pExpr->x.pList = pList; }else{ sqlite3ExprListDelete(pParse->db, pList); } exprNot(pParse, yymsp[-3].minor.yy194, &yymsp[-4].minor.yy190); yymsp[-4].minor.yy190.zEnd = yymsp[0].minor.yy190.zEnd; } break; case 190: /* expr ::= expr in_op LP exprlist RP */ { if( yymsp[-1].minor.yy148==0 ){ /* Expressions of the form ** ** expr1 IN () ** expr1 NOT IN () ** ................................................................................ sqlite3ExprListDelete(pParse->db, yymsp[-1].minor.yy148); } exprNot(pParse, yymsp[-3].minor.yy194, &yymsp[-4].minor.yy190); } yymsp[-4].minor.yy190.zEnd = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n]; } break; case 191: /* expr ::= LP select RP */ { spanSet(&yymsp[-2].minor.yy190,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0); /*A-overwrites-B*/ yymsp[-2].minor.yy190.pExpr = sqlite3PExpr(pParse, TK_SELECT, 0, 0); sqlite3PExprAddSelect(pParse, yymsp[-2].minor.yy190.pExpr, yymsp[-1].minor.yy243); } break; case 192: /* expr ::= expr in_op LP select RP */ { yymsp[-4].minor.yy190.pExpr = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy190.pExpr, 0); sqlite3PExprAddSelect(pParse, yymsp[-4].minor.yy190.pExpr, yymsp[-1].minor.yy243); exprNot(pParse, yymsp[-3].minor.yy194, &yymsp[-4].minor.yy190); yymsp[-4].minor.yy190.zEnd = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n]; } break; case 193: /* expr ::= expr in_op nm dbnm paren_exprlist */ { SrcList *pSrc = sqlite3SrcListAppend(pParse->db, 0,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0); Select *pSelect = sqlite3SelectNew(pParse, 0,pSrc,0,0,0,0,0,0,0); if( yymsp[0].minor.yy148 ) sqlite3SrcListFuncArgs(pParse, pSelect ? pSrc : 0, yymsp[0].minor.yy148); yymsp[-4].minor.yy190.pExpr = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy190.pExpr, 0); sqlite3PExprAddSelect(pParse, yymsp[-4].minor.yy190.pExpr, pSelect); exprNot(pParse, yymsp[-3].minor.yy194, &yymsp[-4].minor.yy190); yymsp[-4].minor.yy190.zEnd = yymsp[-1].minor.yy0.z ? &yymsp[-1].minor.yy0.z[yymsp[-1].minor.yy0.n] : &yymsp[-2].minor.yy0.z[yymsp[-2].minor.yy0.n]; } break; case 194: /* expr ::= EXISTS LP select RP */ { Expr *p; spanSet(&yymsp[-3].minor.yy190,&yymsp[-3].minor.yy0,&yymsp[0].minor.yy0); /*A-overwrites-B*/ p = yymsp[-3].minor.yy190.pExpr = sqlite3PExpr(pParse, TK_EXISTS, 0, 0); sqlite3PExprAddSelect(pParse, p, yymsp[-1].minor.yy243); } break; case 195: /* expr ::= CASE case_operand case_exprlist case_else END */ { spanSet(&yymsp[-4].minor.yy190,&yymsp[-4].minor.yy0,&yymsp[0].minor.yy0); /*A-overwrites-C*/ yymsp[-4].minor.yy190.pExpr = sqlite3PExpr(pParse, TK_CASE, yymsp[-3].minor.yy72, 0); if( yymsp[-4].minor.yy190.pExpr ){ yymsp[-4].minor.yy190.pExpr->x.pList = yymsp[-1].minor.yy72 ? sqlite3ExprListAppend(pParse,yymsp[-2].minor.yy148,yymsp[-1].minor.yy72) : yymsp[-2].minor.yy148; sqlite3ExprSetHeightAndFlags(pParse, yymsp[-4].minor.yy190.pExpr); }else{ sqlite3ExprListDelete(pParse->db, yymsp[-2].minor.yy148); sqlite3ExprDelete(pParse->db, yymsp[-1].minor.yy72); } } break; case 196: /* case_exprlist ::= case_exprlist WHEN expr THEN expr */ { yymsp[-4].minor.yy148 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy148, yymsp[-2].minor.yy190.pExpr); yymsp[-4].minor.yy148 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy148, yymsp[0].minor.yy190.pExpr); } break; case 197: /* case_exprlist ::= WHEN expr THEN expr */ { yymsp[-3].minor.yy148 = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy190.pExpr); yymsp[-3].minor.yy148 = sqlite3ExprListAppend(pParse,yymsp[-3].minor.yy148, yymsp[0].minor.yy190.pExpr); } break; case 200: /* case_operand ::= expr */ {yymsp[0].minor.yy72 = yymsp[0].minor.yy190.pExpr; /*A-overwrites-X*/} break; case 203: /* nexprlist ::= nexprlist COMMA expr */ {yymsp[-2].minor.yy148 = sqlite3ExprListAppend(pParse,yymsp[-2].minor.yy148,yymsp[0].minor.yy190.pExpr);} break; case 204: /* nexprlist ::= expr */ {yymsp[0].minor.yy148 = sqlite3ExprListAppend(pParse,0,yymsp[0].minor.yy190.pExpr); /*A-overwrites-Y*/} break; case 206: /* paren_exprlist ::= LP exprlist RP */ case 211: /* eidlist_opt ::= LP eidlist RP */ yytestcase(yyruleno==211); {yymsp[-2].minor.yy148 = yymsp[-1].minor.yy148;} break; case 207: /* cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt */ { sqlite3CreateIndex(pParse, &yymsp[-7].minor.yy0, &yymsp[-6].minor.yy0, sqlite3SrcListAppend(pParse->db,0,&yymsp[-4].minor.yy0,0), yymsp[-2].minor.yy148, yymsp[-10].minor.yy194, &yymsp[-11].minor.yy0, yymsp[0].minor.yy72, SQLITE_SO_ASC, yymsp[-8].minor.yy194, SQLITE_IDXTYPE_APPDEF); } break; case 208: /* uniqueflag ::= UNIQUE */ case 249: /* raisetype ::= ABORT */ yytestcase(yyruleno==249); {yymsp[0].minor.yy194 = OE_Abort;} break; case 209: /* uniqueflag ::= */ {yymsp[1].minor.yy194 = OE_None;} break; case 212: /* eidlist ::= eidlist COMMA nm collate sortorder */ { yymsp[-4].minor.yy148 = parserAddExprIdListTerm(pParse, yymsp[-4].minor.yy148, &yymsp[-2].minor.yy0, yymsp[-1].minor.yy194, yymsp[0].minor.yy194); } break; case 213: /* eidlist ::= nm collate sortorder */ { yymsp[-2].minor.yy148 = parserAddExprIdListTerm(pParse, 0, &yymsp[-2].minor.yy0, yymsp[-1].minor.yy194, yymsp[0].minor.yy194); /*A-overwrites-Y*/ } break; case 216: /* cmd ::= DROP INDEX ifexists fullname */ {sqlite3DropIndex(pParse, yymsp[0].minor.yy185, yymsp[-1].minor.yy194);} break; case 217: /* cmd ::= VACUUM */ {sqlite3Vacuum(pParse,0);} break; case 218: /* cmd ::= VACUUM nm */ {sqlite3Vacuum(pParse,&yymsp[0].minor.yy0);} break; case 219: /* cmd ::= PRAGMA nm dbnm */ {sqlite3Pragma(pParse,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0,0,0);} break; case 220: /* cmd ::= PRAGMA nm dbnm EQ nmnum */ {sqlite3Pragma(pParse,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0,0);} break; case 221: /* cmd ::= PRAGMA nm dbnm LP nmnum RP */ {sqlite3Pragma(pParse,&yymsp[-4].minor.yy0,&yymsp[-3].minor.yy0,&yymsp[-1].minor.yy0,0);} break; case 222: /* cmd ::= PRAGMA nm dbnm EQ minus_num */ {sqlite3Pragma(pParse,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0,1);} break; case 223: /* cmd ::= PRAGMA nm dbnm LP minus_num RP */ {sqlite3Pragma(pParse,&yymsp[-4].minor.yy0,&yymsp[-3].minor.yy0,&yymsp[-1].minor.yy0,1);} break; case 226: /* cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END */ { Token all; all.z = yymsp[-3].minor.yy0.z; all.n = (int)(yymsp[0].minor.yy0.z - yymsp[-3].minor.yy0.z) + yymsp[0].minor.yy0.n; sqlite3FinishTrigger(pParse, yymsp[-1].minor.yy145, &all); } break; case 227: /* trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause */ { sqlite3BeginTrigger(pParse, &yymsp[-7].minor.yy0, &yymsp[-6].minor.yy0, yymsp[-5].minor.yy194, yymsp[-4].minor.yy332.a, yymsp[-4].minor.yy332.b, yymsp[-2].minor.yy185, yymsp[0].minor.yy72, yymsp[-10].minor.yy194, yymsp[-8].minor.yy194); yymsp[-10].minor.yy0 = (yymsp[-6].minor.yy0.n==0?yymsp[-7].minor.yy0:yymsp[-6].minor.yy0); /*A-overwrites-T*/ } break; case 228: /* trigger_time ::= BEFORE */ { yymsp[0].minor.yy194 = TK_BEFORE; } break; case 229: /* trigger_time ::= AFTER */ { yymsp[0].minor.yy194 = TK_AFTER; } break; case 230: /* trigger_time ::= INSTEAD OF */ { yymsp[-1].minor.yy194 = TK_INSTEAD;} break; case 231: /* trigger_time ::= */ { yymsp[1].minor.yy194 = TK_BEFORE; } break; case 232: /* trigger_event ::= DELETE|INSERT */ case 233: /* trigger_event ::= UPDATE */ yytestcase(yyruleno==233); {yymsp[0].minor.yy332.a = yymsp[0].major; /*A-overwrites-X*/ yymsp[0].minor.yy332.b = 0;} break; case 234: /* trigger_event ::= UPDATE OF idlist */ {yymsp[-2].minor.yy332.a = TK_UPDATE; yymsp[-2].minor.yy332.b = yymsp[0].minor.yy254;} break; case 235: /* when_clause ::= */ case 254: /* key_opt ::= */ yytestcase(yyruleno==254); { yymsp[1].minor.yy72 = 0; } break; case 236: /* when_clause ::= WHEN expr */ case 255: /* key_opt ::= KEY expr */ yytestcase(yyruleno==255); { yymsp[-1].minor.yy72 = yymsp[0].minor.yy190.pExpr; } break; case 237: /* trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI */ { assert( yymsp[-2].minor.yy145!=0 ); yymsp[-2].minor.yy145->pLast->pNext = yymsp[-1].minor.yy145; yymsp[-2].minor.yy145->pLast = yymsp[-1].minor.yy145; } break; case 238: /* trigger_cmd_list ::= trigger_cmd SEMI */ { assert( yymsp[-1].minor.yy145!=0 ); yymsp[-1].minor.yy145->pLast = yymsp[-1].minor.yy145; } break; case 239: /* trnm ::= nm DOT nm */ { yymsp[-2].minor.yy0 = yymsp[0].minor.yy0; sqlite3ErrorMsg(pParse, "qualified table names are not allowed on INSERT, UPDATE, and DELETE " "statements within triggers"); } break; case 240: /* tridxby ::= INDEXED BY nm */ { sqlite3ErrorMsg(pParse, "the INDEXED BY clause is not allowed on UPDATE or DELETE statements " "within triggers"); } break; case 241: /* tridxby ::= NOT INDEXED */ { sqlite3ErrorMsg(pParse, "the NOT INDEXED clause is not allowed on UPDATE or DELETE statements " "within triggers"); } break; case 242: /* trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist where_opt */ {yymsp[-6].minor.yy145 = sqlite3TriggerUpdateStep(pParse->db, &yymsp[-4].minor.yy0, yymsp[-1].minor.yy148, yymsp[0].minor.yy72, yymsp[-5].minor.yy194);} break; case 243: /* trigger_cmd ::= insert_cmd INTO trnm idlist_opt select */ {yymsp[-4].minor.yy145 = sqlite3TriggerInsertStep(pParse->db, &yymsp[-2].minor.yy0, yymsp[-1].minor.yy254, yymsp[0].minor.yy243, yymsp[-4].minor.yy194);/*A-overwrites-R*/} break; case 244: /* trigger_cmd ::= DELETE FROM trnm tridxby where_opt */ {yymsp[-4].minor.yy145 = sqlite3TriggerDeleteStep(pParse->db, &yymsp[-2].minor.yy0, yymsp[0].minor.yy72);} break; case 245: /* trigger_cmd ::= select */ {yymsp[0].minor.yy145 = sqlite3TriggerSelectStep(pParse->db, yymsp[0].minor.yy243); /*A-overwrites-X*/} break; case 246: /* expr ::= RAISE LP IGNORE RP */ { spanSet(&yymsp[-3].minor.yy190,&yymsp[-3].minor.yy0,&yymsp[0].minor.yy0); /*A-overwrites-X*/ yymsp[-3].minor.yy190.pExpr = sqlite3PExpr(pParse, TK_RAISE, 0, 0); if( yymsp[-3].minor.yy190.pExpr ){ yymsp[-3].minor.yy190.pExpr->affinity = OE_Ignore; } } break; case 247: /* expr ::= RAISE LP raisetype COMMA nm RP */ { spanSet(&yymsp[-5].minor.yy190,&yymsp[-5].minor.yy0,&yymsp[0].minor.yy0); /*A-overwrites-X*/ yymsp[-5].minor.yy190.pExpr = sqlite3ExprAlloc(pParse->db, TK_RAISE, &yymsp[-1].minor.yy0, 1); if( yymsp[-5].minor.yy190.pExpr ) { yymsp[-5].minor.yy190.pExpr->affinity = (char)yymsp[-3].minor.yy194; } } break; case 248: /* raisetype ::= ROLLBACK */ {yymsp[0].minor.yy194 = OE_Rollback;} break; case 250: /* raisetype ::= FAIL */ {yymsp[0].minor.yy194 = OE_Fail;} break; case 251: /* cmd ::= DROP TRIGGER ifexists fullname */ { sqlite3DropTrigger(pParse,yymsp[0].minor.yy185,yymsp[-1].minor.yy194); } break; case 252: /* cmd ::= ATTACH database_kw_opt expr AS expr key_opt */ { sqlite3Attach(pParse, yymsp[-3].minor.yy190.pExpr, yymsp[-1].minor.yy190.pExpr, yymsp[0].minor.yy72); } break; case 253: /* cmd ::= DETACH database_kw_opt expr */ { sqlite3Detach(pParse, yymsp[0].minor.yy190.pExpr); } break; case 256: /* cmd ::= REINDEX */ {sqlite3Reindex(pParse, 0, 0);} break; case 257: /* cmd ::= REINDEX nm dbnm */ {sqlite3Reindex(pParse, &yymsp[-1].minor.yy0, &yymsp[0].minor.yy0);} break; case 258: /* cmd ::= ANALYZE */ {sqlite3Analyze(pParse, 0, 0);} break; case 259: /* cmd ::= ANALYZE nm dbnm */ {sqlite3Analyze(pParse, &yymsp[-1].minor.yy0, &yymsp[0].minor.yy0);} break; case 260: /* cmd ::= ALTER TABLE fullname RENAME TO nm */ { sqlite3AlterRenameTable(pParse,yymsp[-3].minor.yy185,&yymsp[0].minor.yy0); } break; case 261: /* cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist */ { yymsp[-1].minor.yy0.n = (int)(pParse->sLastToken.z-yymsp[-1].minor.yy0.z) + pParse->sLastToken.n; sqlite3AlterFinishAddColumn(pParse, &yymsp[-1].minor.yy0); } break; case 262: /* add_column_fullname ::= fullname */ { disableLookaside(pParse); sqlite3AlterBeginAddColumn(pParse, yymsp[0].minor.yy185); } break; case 263: /* cmd ::= create_vtab */ {sqlite3VtabFinishParse(pParse,0);} break; case 264: /* cmd ::= create_vtab LP vtabarglist RP */ {sqlite3VtabFinishParse(pParse,&yymsp[0].minor.yy0);} break; case 265: /* create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm */ { sqlite3VtabBeginParse(pParse, &yymsp[-3].minor.yy0, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0, yymsp[-4].minor.yy194); } break; case 266: /* vtabarg ::= */ {sqlite3VtabArgInit(pParse);} break; case 267: /* vtabargtoken ::= ANY */ case 268: /* vtabargtoken ::= lp anylist RP */ yytestcase(yyruleno==268); case 269: /* lp ::= LP */ yytestcase(yyruleno==269); {sqlite3VtabArgExtend(pParse,&yymsp[0].minor.yy0);} break; case 270: /* with ::= */ {yymsp[1].minor.yy285 = 0;} break; case 271: /* with ::= WITH wqlist */ { yymsp[-1].minor.yy285 = yymsp[0].minor.yy285; } break; case 272: /* with ::= WITH RECURSIVE wqlist */ { yymsp[-2].minor.yy285 = yymsp[0].minor.yy285; } break; case 273: /* wqlist ::= nm eidlist_opt AS LP select RP */ { yymsp[-5].minor.yy285 = sqlite3WithAdd(pParse, 0, &yymsp[-5].minor.yy0, yymsp[-4].minor.yy148, yymsp[-1].minor.yy243); /*A-overwrites-X*/ } break; case 274: /* wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP */ { yymsp[-7].minor.yy285 = sqlite3WithAdd(pParse, yymsp[-7].minor.yy285, &yymsp[-5].minor.yy0, yymsp[-4].minor.yy148, yymsp[-1].minor.yy243); } break; default: /* (275) input ::= cmdlist */ yytestcase(yyruleno==275); /* (276) cmdlist ::= cmdlist ecmd */ yytestcase(yyruleno==276); /* (277) cmdlist ::= ecmd (OPTIMIZED OUT) */ assert(yyruleno!=277); /* (278) ecmd ::= SEMI */ yytestcase(yyruleno==278); /* (279) ecmd ::= explain cmdx SEMI */ yytestcase(yyruleno==279); /* (280) explain ::= */ yytestcase(yyruleno==280); /* (281) trans_opt ::= */ yytestcase(yyruleno==281); /* (282) trans_opt ::= TRANSACTION */ yytestcase(yyruleno==282); /* (283) trans_opt ::= TRANSACTION nm */ yytestcase(yyruleno==283); /* (284) savepoint_opt ::= SAVEPOINT */ yytestcase(yyruleno==284); /* (285) savepoint_opt ::= */ yytestcase(yyruleno==285); /* (286) cmd ::= create_table create_table_args */ yytestcase(yyruleno==286); /* (287) columnlist ::= columnlist COMMA columnname carglist */ yytestcase(yyruleno==287); /* (288) columnlist ::= columnname carglist */ yytestcase(yyruleno==288); /* (289) nm ::= ID|INDEXED */ yytestcase(yyruleno==289); /* (290) nm ::= STRING */ yytestcase(yyruleno==290); /* (291) nm ::= JOIN_KW */ yytestcase(yyruleno==291); /* (292) typetoken ::= typename */ yytestcase(yyruleno==292); /* (293) typename ::= ID|STRING */ yytestcase(yyruleno==293); /* (294) signed ::= plus_num (OPTIMIZED OUT) */ assert(yyruleno!=294); /* (295) signed ::= minus_num (OPTIMIZED OUT) */ assert(yyruleno!=295); /* (296) carglist ::= carglist ccons */ yytestcase(yyruleno==296); /* (297) carglist ::= */ yytestcase(yyruleno==297); /* (298) ccons ::= NULL onconf */ yytestcase(yyruleno==298); /* (299) conslist_opt ::= COMMA conslist */ yytestcase(yyruleno==299); /* (300) conslist ::= conslist tconscomma tcons */ yytestcase(yyruleno==300); /* (301) conslist ::= tcons (OPTIMIZED OUT) */ assert(yyruleno!=301); /* (302) tconscomma ::= */ yytestcase(yyruleno==302); /* (303) defer_subclause_opt ::= defer_subclause (OPTIMIZED OUT) */ assert(yyruleno!=303); /* (304) resolvetype ::= raisetype (OPTIMIZED OUT) */ assert(yyruleno!=304); /* (305) selectnowith ::= oneselect (OPTIMIZED OUT) */ assert(yyruleno!=305); /* (306) oneselect ::= values */ yytestcase(yyruleno==306); /* (307) sclp ::= selcollist COMMA */ yytestcase(yyruleno==307); /* (308) as ::= ID|STRING */ yytestcase(yyruleno==308); /* (309) expr ::= term (OPTIMIZED OUT) */ assert(yyruleno!=309); /* (310) likeop ::= LIKE_KW|MATCH */ yytestcase(yyruleno==310); /* (311) exprlist ::= nexprlist */ yytestcase(yyruleno==311); /* (312) nmnum ::= plus_num (OPTIMIZED OUT) */ assert(yyruleno!=312); /* (313) nmnum ::= nm (OPTIMIZED OUT) */ assert(yyruleno!=313); /* (314) nmnum ::= ON */ yytestcase(yyruleno==314); /* (315) nmnum ::= DELETE */ yytestcase(yyruleno==315); /* (316) nmnum ::= DEFAULT */ yytestcase(yyruleno==316); /* (317) plus_num ::= INTEGER|FLOAT */ yytestcase(yyruleno==317); /* (318) foreach_clause ::= */ yytestcase(yyruleno==318); /* (319) foreach_clause ::= FOR EACH ROW */ yytestcase(yyruleno==319); /* (320) trnm ::= nm */ yytestcase(yyruleno==320); /* (321) tridxby ::= */ yytestcase(yyruleno==321); /* (322) database_kw_opt ::= DATABASE */ yytestcase(yyruleno==322); /* (323) database_kw_opt ::= */ yytestcase(yyruleno==323); /* (324) kwcolumn_opt ::= */ yytestcase(yyruleno==324); /* (325) kwcolumn_opt ::= COLUMNKW */ yytestcase(yyruleno==325); /* (326) vtabarglist ::= vtabarg */ yytestcase(yyruleno==326); /* (327) vtabarglist ::= vtabarglist COMMA vtabarg */ yytestcase(yyruleno==327); /* (328) vtabarg ::= vtabarg vtabargtoken */ yytestcase(yyruleno==328); /* (329) anylist ::= */ yytestcase(yyruleno==329); /* (330) anylist ::= anylist LP anylist RP */ yytestcase(yyruleno==330); /* (331) anylist ::= anylist ANY */ yytestcase(yyruleno==331); break; /********** End reduce actions ************************************************/ }; assert( yyruleno<sizeof(yyRuleInfo)/sizeof(yyRuleInfo[0]) ); yygoto = yyRuleInfo[yyruleno].lhs; yysize = yyRuleInfo[yyruleno].nrhs; yyact = yy_find_reduce_action(yymsp[-yysize].stateno,(YYCODETYPE)yygoto); if( yyact <= YY_MAX_SHIFTREDUCE ){ if( yyact>YY_MAX_SHIFT ){ yyact += YY_MIN_REDUCE - YY_MIN_SHIFTREDUCE; } yymsp -= yysize-1; yypParser->yytos = yymsp; yymsp->stateno = (YYACTIONTYPE)yyact; yymsp->major = (YYCODETYPE)yygoto; yyTraceShift(yypParser, yyact); }else{ assert( yyact == YY_ACCEPT_ACTION ); yypParser->yytos -= yysize; yy_accept(yypParser); } } /* ** The following code executes when the parse fails */ #ifndef YYNOERRORRECOVERY ................................................................................ ** or not a given identifier is really an SQL keyword. The same thing ** might be implemented more directly using a hand-written hash table. ** But by using this automatically generated code, the size of the code ** is substantially reduced. This is important for embedded applications ** on platforms with limited memory. */ /* Hash score: 182 */ static int keywordCode(const char *z, int n, int *pType){ /* zText[] encodes 834 bytes of keywords in 554 bytes */ /* REINDEXEDESCAPEACHECKEYBEFOREIGNOREGEXPLAINSTEADDATABASELECT */ /* ABLEFTHENDEFERRABLELSEXCEPTRANSACTIONATURALTERAISEXCLUSIVE */ /* XISTSAVEPOINTERSECTRIGGEREFERENCESCONSTRAINTOFFSETEMPORARY */ /* UNIQUERYWITHOUTERELEASEATTACHAVINGROUPDATEBEGINNERECURSIVE */ /* BETWEENOTNULLIKECASCADELETECASECOLLATECREATECURRENT_DATEDETACH */ /* IMMEDIATEJOINSERTMATCHPLANALYZEPRAGMABORTVALUESVIRTUALIMITWHEN */ /* WHERENAMEAFTEREPLACEANDEFAULTAUTOINCREMENTCASTCOLUMNCOMMIT */ /* CONFLICTCROSSCURRENT_TIMESTAMPRIMARYDEFERREDISTINCTDROPFAIL */ /* FROMFULLGLOBYIFISNULLORDERESTRICTRIGHTROLLBACKROWUNIONUSING */ /* VACUUMVIEWINITIALLY */ static const char zText[553] = { 'R','E','I','N','D','E','X','E','D','E','S','C','A','P','E','A','C','H', 'E','C','K','E','Y','B','E','F','O','R','E','I','G','N','O','R','E','G', 'E','X','P','L','A','I','N','S','T','E','A','D','D','A','T','A','B','A', 'S','E','L','E','C','T','A','B','L','E','F','T','H','E','N','D','E','F', 'E','R','R','A','B','L','E','L','S','E','X','C','E','P','T','R','A','N', 'S','A','C','T','I','O','N','A','T','U','R','A','L','T','E','R','A','I', 'S','E','X','C','L','U','S','I','V','E','X','I','S','T','S','A','V','E', 'P','O','I','N','T','E','R','S','E','C','T','R','I','G','G','E','R','E', 'F','E','R','E','N','C','E','S','C','O','N','S','T','R','A','I','N','T', 'O','F','F','S','E','T','E','M','P','O','R','A','R','Y','U','N','I','Q', 'U','E','R','Y','W','I','T','H','O','U','T','E','R','E','L','E','A','S', 'E','A','T','T','A','C','H','A','V','I','N','G','R','O','U','P','D','A', 'T','E','B','E','G','I','N','N','E','R','E','C','U','R','S','I','V','E', 'B','E','T','W','E','E','N','O','T','N','U','L','L','I','K','E','C','A', 'S','C','A','D','E','L','E','T','E','C','A','S','E','C','O','L','L','A', 'T','E','C','R','E','A','T','E','C','U','R','R','E','N','T','_','D','A', 'T','E','D','E','T','A','C','H','I','M','M','E','D','I','A','T','E','J', 'O','I','N','S','E','R','T','M','A','T','C','H','P','L','A','N','A','L', 'Y','Z','E','P','R','A','G','M','A','B','O','R','T','V','A','L','U','E', 'S','V','I','R','T','U','A','L','I','M','I','T','W','H','E','N','W','H', 'E','R','E','N','A','M','E','A','F','T','E','R','E','P','L','A','C','E', 'A','N','D','E','F','A','U','L','T','A','U','T','O','I','N','C','R','E', 'M','E','N','T','C','A','S','T','C','O','L','U','M','N','C','O','M','M', 'I','T','C','O','N','F','L','I','C','T','C','R','O','S','S','C','U','R', 'R','E','N','T','_','T','I','M','E','S','T','A','M','P','R','I','M','A', 'R','Y','D','E','F','E','R','R','E','D','I','S','T','I','N','C','T','D', 'R','O','P','F','A','I','L','F','R','O','M','F','U','L','L','G','L','O', 'B','Y','I','F','I','S','N','U','L','L','O','R','D','E','R','E','S','T', 'R','I','C','T','R','I','G','H','T','R','O','L','L','B','A','C','K','R', 'O','W','U','N','I','O','N','U','S','I','N','G','V','A','C','U','U','M', 'V','I','E','W','I','N','I','T','I','A','L','L','Y', }; static const unsigned char aHash[127] = { 76, 105, 117, 74, 0, 45, 0, 0, 82, 0, 77, 0, 0, 42, 12, 78, 15, 0, 116, 85, 54, 112, 0, 19, 0, 0, 121, 0, 119, 115, 0, 22, 93, 0, 9, 0, 0, 70, 71, 0, 69, 6, 0, 48, 90, 102, 0, 118, 101, 0, 0, 44, 0, 103, 24, 0, 17, 0, 122, 53, 23, 0, 5, 110, 25, 96, 0, 0, 124, 106, 60, 123, 57, 28, 55, 0, 91, 0, 100, 26, 0, 99, 0, 0, 0, 95, 92, 97, 88, 109, 14, 39, 108, 0, 81, 0, 18, 89, 111, 32, 0, 120, 80, 113, 62, 46, 84, 0, 0, 94, 40, 59, 114, 0, 36, 0, 0, 29, 0, 86, 63, 64, 0, 20, 61, 0, 56, }; static const unsigned char aNext[124] = { 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 33, 0, 21, 0, 0, 0, 0, 0, 50, 0, 43, 3, 47, 0, 0, 0, 0, 30, 0, 58, 0, 38, 0, 0, 0, 1, 66, 0, 0, 67, 0, 41, 0, 0, 0, 0, 0, 0, 49, 65, 0, 0, 0, 0, 31, 52, 16, 34, 10, 0, 0, 0, 0, 0, 0, 0, 11, 72, 79, 0, 8, 0, 104, 98, 0, 107, 0, 87, 0, 75, 51, 0, 27, 37, 73, 83, 0, 35, 68, 0, 0, }; static const unsigned char aLen[124] = { 7, 7, 5, 4, 6, 4, 5, 3, 6, 7, 3, 6, 6, 7, 7, 3, 8, 2, 6, 5, 4, 4, 3, 10, 4, 6, 11, 6, 2, 7, 5, 5, 9, 6, 9, 9, 7, 10, 10, 4, 6, 2, 3, 9, 4, 2, 6, 5, 7, 4, 5, 7, 6, 6, 5, 6, 5, 5, 9, 7, 7, 3, 2, 4, 4, 7, 3, 6, 4, 7, 6, 12, 6, 9, 4, 6, 5, 4, 7, 6, 5, 6, 7, 5, 4, 5, 6, 5, 7, 3, 7, 13, 2, 2, 4, 6, 6, 8, 5, 17, 12, 7, 8, 8, 2, 4, 4, 4, 4, 4, 2, 2, 6, 5, 8, 5, 8, 3, 5, 5, 6, 4, 9, 3, }; static const unsigned short int aOffset[124] = { 0, 2, 2, 8, 9, 14, 16, 20, 23, 25, 25, 29, 33, 36, 41, 46, 48, 53, 54, 59, 62, 65, 67, 69, 78, 81, 86, 91, 95, 96, 101, 105, 109, 117, 122, 128, 136, 142, 152, 159, 162, 162, 165, 167, 167, 171, 176, 179, 184, 184, 188, 192, 199, 204, 209, 212, 218, 221, 225, 234, 240, 240, 240, 243, 246, 250, 251, 255, 261, 265, 272, 278, 290, 296, 305, 307, 313, 318, 320, 327, 332, 337, 343, 349, 354, 358, 361, 367, 371, 378, 380, 387, 389, 391, 400, 404, 410, 416, 424, 429, 429, 445, 452, 459, 460, 467, 471, 475, 479, 483, 486, 488, 490, 496, 500, 508, 513, 521, 524, 529, 534, 540, 544, 549, }; static const unsigned char aCode[124] = { TK_REINDEX, TK_INDEXED, TK_INDEX, TK_DESC, TK_ESCAPE, TK_EACH, TK_CHECK, TK_KEY, TK_BEFORE, TK_FOREIGN, TK_FOR, TK_IGNORE, TK_LIKE_KW, TK_EXPLAIN, TK_INSTEAD, TK_ADD, TK_DATABASE, TK_AS, TK_SELECT, TK_TABLE, TK_JOIN_KW, TK_THEN, TK_END, TK_DEFERRABLE, TK_ELSE, TK_EXCEPT, TK_TRANSACTION,TK_ACTION, TK_ON, TK_JOIN_KW, TK_ALTER, TK_RAISE, TK_EXCLUSIVE, TK_EXISTS, TK_SAVEPOINT, TK_INTERSECT, TK_TRIGGER, TK_REFERENCES, TK_CONSTRAINT, TK_INTO, TK_OFFSET, TK_OF, TK_SET, TK_TEMP, TK_TEMP, TK_OR, TK_UNIQUE, TK_QUERY, TK_WITHOUT, TK_WITH, TK_JOIN_KW, TK_RELEASE, TK_ATTACH, TK_HAVING, TK_GROUP, TK_UPDATE, TK_BEGIN, TK_JOIN_KW, TK_RECURSIVE, TK_BETWEEN, TK_NOTNULL, TK_NOT, TK_NO, TK_NULL, TK_LIKE_KW, TK_CASCADE, TK_ASC, TK_DELETE, TK_CASE, TK_COLLATE, TK_CREATE, TK_CTIME_KW, TK_DETACH, TK_IMMEDIATE, TK_JOIN, TK_INSERT, TK_MATCH, TK_PLAN, TK_ANALYZE, TK_PRAGMA, TK_ABORT, TK_VALUES, TK_VIRTUAL, TK_LIMIT, TK_WHEN, TK_WHERE, TK_RENAME, TK_AFTER, TK_REPLACE, TK_AND, TK_DEFAULT, TK_AUTOINCR, TK_TO, TK_IN, TK_CAST, TK_COLUMNKW, TK_COMMIT, TK_CONFLICT, TK_JOIN_KW, TK_CTIME_KW, TK_CTIME_KW, TK_PRIMARY, TK_DEFERRED, TK_DISTINCT, TK_IS, TK_DROP, TK_FAIL, TK_FROM, TK_JOIN_KW, TK_LIKE_KW, TK_BY, TK_IF, TK_ISNULL, TK_ORDER, TK_RESTRICT, TK_JOIN_KW, TK_ROLLBACK, TK_ROW, TK_UNION, TK_USING, TK_VACUUM, TK_VIEW, TK_INITIALLY, TK_ALL, }; int i, j; const char *zKW; if( n>=2 ){ i = ((charMap(z[0])*4) ^ (charMap(z[n-1])*3) ^ n) % 127; for(i=((int)aHash[i])-1; i>=0; i=((int)aNext[i])-1){ if( aLen[i]!=n ) continue; j = 0; zKW = &zText[aOffset[i]]; #ifdef SQLITE_ASCII while( j<n && (z[j]&~0x20)==zKW[j] ){ j++; } #endif #ifdef SQLITE_EBCDIC while( j<n && toupper(z[j])==zKW[j] ){ j++; } #endif if( j<n ) continue; ................................................................................ testcase( i==117 ); /* ROW */ testcase( i==118 ); /* UNION */ testcase( i==119 ); /* USING */ testcase( i==120 ); /* VACUUM */ testcase( i==121 ); /* VIEW */ testcase( i==122 ); /* INITIALLY */ testcase( i==123 ); /* ALL */ *pType = aCode[i]; break; } } return n; } SQLITE_PRIVATE int sqlite3KeywordCode(const unsigned char *z, int n){ int id = TK_ID; ................................................................................ /************** End of sqliteicu.h *******************************************/ /************** Continuing where we left off in main.c ***********************/ #endif #ifdef SQLITE_ENABLE_JSON1 SQLITE_PRIVATE int sqlite3Json1Init(sqlite3*); #endif #ifdef SQLITE_ENABLE_FTS5 SQLITE_PRIVATE int sqlite3Fts5Init(sqlite3*); #endif #ifndef SQLITE_AMALGAMATION /* IMPLEMENTATION-OF: R-46656-45156 The sqlite3_version[] string constant ** contains the text of SQLITE_VERSION macro. ................................................................................ */ SQLITE_API int sqlite3_db_config(sqlite3 *db, int op, ...){ va_list ap; int rc; va_start(ap, op); switch( op ){ case SQLITE_DBCONFIG_MAINDBNAME: { db->aDb[0].zDbSName = va_arg(ap,char*); rc = SQLITE_OK; break; } case SQLITE_DBCONFIG_LOOKASIDE: { void *pBuf = va_arg(ap, void*); /* IMP: R-26835-10964 */ int sz = va_arg(ap, int); /* IMP: R-47871-25994 */ ................................................................................ u32 mask; /* Mask of the bit in sqlite3.flags to set/clear */ } aFlagOp[] = { { SQLITE_DBCONFIG_ENABLE_FKEY, SQLITE_ForeignKeys }, { SQLITE_DBCONFIG_ENABLE_TRIGGER, SQLITE_EnableTrigger }, { SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER, SQLITE_Fts3Tokenizer }, { SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION, SQLITE_LoadExtension }, { SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE, SQLITE_NoCkptOnClose }, }; unsigned int i; rc = SQLITE_ERROR; /* IMP: R-42790-23372 */ for(i=0; i<ArraySize(aFlagOp); i++){ if( aFlagOp[i].op==op ){ int onoff = va_arg(ap, int); int *pRes = va_arg(ap, int*); ................................................................................ int nKey2, const void *pKey2 ){ int rc, n; n = nKey1<nKey2 ? nKey1 : nKey2; /* EVIDENCE-OF: R-65033-28449 The built-in BINARY collation compares ** strings byte by byte using the memcmp() function from the standard C ** library. */ rc = memcmp(pKey1, pKey2, n); if( rc==0 ){ if( padFlag && allSpaces(((char*)pKey1)+n, nKey1-n) && allSpaces(((char*)pKey2)+n, nKey2-n) ){ /* EVIDENCE-OF: R-31624-24737 RTRIM is like BINARY except that extra ................................................................................ /* ** Return a static string that describes the kind of error specified in the ** argument. */ SQLITE_PRIVATE const char *sqlite3ErrStr(int rc){ static const char* const aMsg[] = { /* SQLITE_OK */ "not an error", /* SQLITE_ERROR */ "SQL logic error or missing database", /* SQLITE_INTERNAL */ 0, /* SQLITE_PERM */ "access permission denied", /* SQLITE_ABORT */ "callback requested query abort", /* SQLITE_BUSY */ "database is locked", /* SQLITE_LOCKED */ "database table is locked", /* SQLITE_NOMEM */ "out of memory", /* SQLITE_READONLY */ "attempt to write a readonly database", /* SQLITE_INTERRUPT */ "interrupted", /* SQLITE_IOERR */ "disk I/O error", /* SQLITE_CORRUPT */ "database disk image is malformed", /* SQLITE_NOTFOUND */ "unknown operation", /* SQLITE_FULL */ "database or disk is full", /* SQLITE_CANTOPEN */ "unable to open database file", /* SQLITE_PROTOCOL */ "locking protocol", /* SQLITE_EMPTY */ "table contains no data", /* SQLITE_SCHEMA */ "database schema has changed", /* SQLITE_TOOBIG */ "string or blob too big", /* SQLITE_CONSTRAINT */ "constraint failed", /* SQLITE_MISMATCH */ "datatype mismatch", /* SQLITE_MISUSE */ "library routine called out of sequence", /* SQLITE_NOLFS */ "large file support is disabled", /* SQLITE_AUTH */ "authorization denied", /* SQLITE_FORMAT */ "auxiliary database format error", /* SQLITE_RANGE */ "bind or column index out of range", /* SQLITE_NOTADB */ "file is encrypted or is not a database", }; const char *zErr = "unknown error"; switch( rc ){ case SQLITE_ABORT_ROLLBACK: { zErr = "abort due to ROLLBACK"; break; } ................................................................................ ** error. */ SQLITE_API const void *sqlite3_errmsg16(sqlite3 *db){ static const u16 outOfMem[] = { 'o', 'u', 't', ' ', 'o', 'f', ' ', 'm', 'e', 'm', 'o', 'r', 'y', 0 }; static const u16 misuse[] = { 'l', 'i', 'b', 'r', 'a', 'r', 'y', ' ', 'r', 'o', 'u', 't', 'i', 'n', 'e', ' ', 'c', 'a', 'l', 'l', 'e', 'd', ' ', 'o', 'u', 't', ' ', 'o', 'f', ' ', 's', 'e', 'q', 'u', 'e', 'n', 'c', 'e', 0 }; const void *z; if( !db ){ return (void *)outOfMem; } if( !sqlite3SafetyCheckSickOrOk(db) ){ ................................................................................ #endif *ppDb = 0; #ifndef SQLITE_OMIT_AUTOINIT rc = sqlite3_initialize(); if( rc ) return rc; #endif /* Only allow sensible combinations of bits in the flags argument. ** Throw an error if any non-sense combination is used. If we ** do not block illegal combinations here, it could trigger ** assert() statements in deeper layers. Sensible combinations ** are: ** ** 1: SQLITE_OPEN_READONLY ** 2: SQLITE_OPEN_READWRITE ** 6: SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE */ assert( SQLITE_OPEN_READONLY == 0x01 ); assert( SQLITE_OPEN_READWRITE == 0x02 ); assert( SQLITE_OPEN_CREATE == 0x04 ); testcase( (1<<(flags&7))==0x02 ); /* READONLY */ testcase( (1<<(flags&7))==0x04 ); /* READWRITE */ testcase( (1<<(flags&7))==0x40 ); /* READWRITE | CREATE */ if( ((1<<(flags&7)) & 0x46)==0 ){ return SQLITE_MISUSE_BKPT; /* IMP: R-65497-44594 */ } if( sqlite3GlobalConfig.bCoreMutex==0 ){ isThreadsafe = 0; }else if( flags & SQLITE_OPEN_NOMUTEX ){ isThreadsafe = 0; }else if( flags & SQLITE_OPEN_FULLMUTEX ){ isThreadsafe = 1; }else{ ................................................................................ #endif #if defined(SQLITE_ENABLE_OVERSIZE_CELL_CHECK) | SQLITE_CellSizeCk #endif #if defined(SQLITE_ENABLE_FTS3_TOKENIZER) | SQLITE_Fts3Tokenizer #endif ; sqlite3HashInit(&db->aCollSeq); #ifndef SQLITE_OMIT_VIRTUALTABLE sqlite3HashInit(&db->aModule); #endif /* Add the default collation sequence BINARY. BINARY works for both UTF-8 ................................................................................ } /* EVIDENCE-OF: R-08308-17224 The default collating function for all ** strings is BINARY. */ db->pDfltColl = sqlite3FindCollSeq(db, SQLITE_UTF8, sqlite3StrBINARY, 0); assert( db->pDfltColl!=0 ); /* Parse the filename/URI argument. */ db->openFlags = flags; rc = sqlite3ParseUri(zVfs, zFilename, &flags, &db->pVfs, &zOpen, &zErrMsg); if( rc!=SQLITE_OK ){ if( rc==SQLITE_NOMEM ) sqlite3OomFault(db); sqlite3ErrorWithMsg(db, rc, zErrMsg ? "%s" : 0, zErrMsg); sqlite3_free(zErrMsg); goto opendb_out; } ................................................................................ #endif #ifdef SQLITE_ENABLE_JSON1 if( !db->mallocFailed && rc==SQLITE_OK){ rc = sqlite3Json1Init(db); } #endif /* -DSQLITE_DEFAULT_LOCKING_MODE=1 makes EXCLUSIVE the default locking ** mode. -DSQLITE_DEFAULT_LOCKING_MODE=0 make NORMAL the default locking ** mode. Doing nothing at all also makes NORMAL the default. */ #ifdef SQLITE_DEFAULT_LOCKING_MODE db->dfltLockMode = SQLITE_DEFAULT_LOCKING_MODE; ................................................................................ return reportError(SQLITE_MISUSE, lineno, "misuse"); } SQLITE_PRIVATE int sqlite3CantopenError(int lineno){ testcase( sqlite3GlobalConfig.xLog!=0 ); return reportError(SQLITE_CANTOPEN, lineno, "cannot open file"); } #ifdef SQLITE_DEBUG SQLITE_PRIVATE int sqlite3NomemError(int lineno){ testcase( sqlite3GlobalConfig.xLog!=0 ); return reportError(SQLITE_NOMEM, lineno, "OOM"); } SQLITE_PRIVATE int sqlite3IoerrnomemError(int lineno){ testcase( sqlite3GlobalConfig.xLog!=0 ); return reportError(SQLITE_IOERR_NOMEM, lineno, "I/O OOM error"); ................................................................................ ** Free a snapshot handle obtained from sqlite3_snapshot_get(). */ SQLITE_API void sqlite3_snapshot_free(sqlite3_snapshot *pSnapshot){ sqlite3_free(pSnapshot); } #endif /* SQLITE_ENABLE_SNAPSHOT */ /************** End of main.c ************************************************/ /************** Begin file notify.c ******************************************/ /* ** 2009 March 3 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ................................................................................ sqlite3_reset(pCsr->pStmt); pCsr->pStmt = 0; } pCsr->bSeekStmt = 0; } sqlite3_finalize(pCsr->pStmt); } /* ** Close the cursor. For additional information see the documentation ** on the xClose method of the virtual table interface. */ static int fts3CloseMethod(sqlite3_vtab_cursor *pCursor){ Fts3Cursor *pCsr = (Fts3Cursor *)pCursor; assert( ((Fts3Table *)pCsr->base.pVtab)->pSegments==0 ); fts3CursorFinalizeStmt(pCsr); sqlite3Fts3ExprFree(pCsr->pExpr); sqlite3Fts3FreeDeferredTokens(pCsr); sqlite3_free(pCsr->aDoclist); sqlite3Fts3MIBufferFree(pCsr->pMIBuffer); assert( ((Fts3Table *)pCsr->base.pVtab)->pSegments==0 ); sqlite3_free(pCsr); return SQLITE_OK; } /* ** If pCsr->pStmt has not been prepared (i.e. if pCsr->pStmt==0), then ................................................................................ char *zSql; if( p->pSeekStmt ){ pCsr->pStmt = p->pSeekStmt; p->pSeekStmt = 0; }else{ zSql = sqlite3_mprintf("SELECT %s WHERE rowid = ?", p->zReadExprlist); if( !zSql ) return SQLITE_NOMEM; rc = sqlite3_prepare_v2(p->db, zSql, -1, &pCsr->pStmt, 0); sqlite3_free(zSql); } if( rc==SQLITE_OK ) pCsr->bSeekStmt = 1; } return rc; } ................................................................................ if( eSearch!=FTS3_FULLSCAN_SEARCH ) pCons = apVal[iIdx++]; if( idxNum & FTS3_HAVE_LANGID ) pLangid = apVal[iIdx++]; if( idxNum & FTS3_HAVE_DOCID_GE ) pDocidGe = apVal[iIdx++]; if( idxNum & FTS3_HAVE_DOCID_LE ) pDocidLe = apVal[iIdx++]; assert( iIdx==nVal ); /* In case the cursor has been used before, clear it now. */ fts3CursorFinalizeStmt(pCsr); sqlite3_free(pCsr->aDoclist); sqlite3Fts3MIBufferFree(pCsr->pMIBuffer); sqlite3Fts3ExprFree(pCsr->pExpr); memset(&pCursor[1], 0, sizeof(Fts3Cursor)-sizeof(sqlite3_vtab_cursor)); /* Set the lower and upper bounds on docids to return */ pCsr->iMinDocid = fts3DocidRange(pDocidGe, SMALLEST_INT64); pCsr->iMaxDocid = fts3DocidRange(pDocidLe, LARGEST_INT64); if( idxStr ){ pCsr->bDesc = (idxStr[0]=='D'); ................................................................................ ); }else{ zSql = sqlite3_mprintf("SELECT %s ORDER BY rowid %s", p->zReadExprlist, (pCsr->bDesc ? "DESC" : "ASC") ); } if( zSql ){ rc = sqlite3_prepare_v2(p->db, zSql, -1, &pCsr->pStmt, 0); sqlite3_free(zSql); }else{ rc = SQLITE_NOMEM; } }else if( eSearch==FTS3_DOCID_SEARCH ){ rc = fts3CursorSeekStmt(pCsr); if( rc==SQLITE_OK ){ ................................................................................ } /* ** This is the xEof method of the virtual table. SQLite calls this ** routine to find out if it has reached the end of a result set. */ static int fts3EofMethod(sqlite3_vtab_cursor *pCursor){ return ((Fts3Cursor *)pCursor)->isEof; } /* ** This is the xRowid method. The SQLite core calls this routine to ** retrieve the rowid for the current row of the result set. fts3 ** exposes %_content.docid as the rowid for the virtual table. The ** rowid should be written to *pRowid. ................................................................................ /* The column value supplied by SQLite must be in range. */ assert( iCol>=0 && iCol<=p->nColumn+2 ); switch( iCol-p->nColumn ){ case 0: /* The special 'table-name' column */ sqlite3_result_blob(pCtx, &pCsr, sizeof(Fts3Cursor*), SQLITE_TRANSIENT); sqlite3_result_subtype(pCtx, SQLITE_BLOB); break; case 1: /* The docid column */ sqlite3_result_int64(pCtx, pCsr->iPrevId); break; ................................................................................ */ static int fts3FunctionArg( sqlite3_context *pContext, /* SQL function call context */ const char *zFunc, /* Function name */ sqlite3_value *pVal, /* argv[0] passed to function */ Fts3Cursor **ppCsr /* OUT: Store cursor handle here */ ){ int rc = SQLITE_OK; if( sqlite3_value_subtype(pVal)==SQLITE_BLOB ){ *ppCsr = *(Fts3Cursor**)sqlite3_value_blob(pVal); }else{ char *zErr = sqlite3_mprintf("illegal first argument to %s", zFunc); sqlite3_result_error(pContext, zErr, -1); sqlite3_free(zErr); rc = SQLITE_ERROR; } return rc; ................................................................................ zSql = sqlite3_mprintf(azSql[eStmt], p->zReadExprlist); }else{ zSql = sqlite3_mprintf(azSql[eStmt], p->zDb, p->zName); } if( !zSql ){ rc = SQLITE_NOMEM; }else{ rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, NULL); sqlite3_free(zSql); assert( rc==SQLITE_OK || pStmt==0 ); p->aStmt[eStmt] = pStmt; } } if( apVal ){ int i; ................................................................................ struct RtreeGeomCallback { int (*xGeom)(sqlite3_rtree_geometry*, int, RtreeDValue*, int*); int (*xQueryFunc)(sqlite3_rtree_query_info*); void (*xDestructor)(void*); void *pContext; }; /* ** Value for the first field of every RtreeMatchArg object. The MATCH ** operator tests that the first field of a blob operand matches this ** value to avoid operating on invalid blobs (which could cause a segfault). */ #define RTREE_GEOMETRY_MAGIC 0x891245AB /* ** An instance of this structure (in the form of a BLOB) is returned by ** the SQL functions that sqlite3_rtree_geometry_callback() and ** sqlite3_rtree_query_callback() create, and is read as the right-hand ** operand to the MATCH operator of an R-Tree. */ struct RtreeMatchArg { u32 magic; /* Always RTREE_GEOMETRY_MAGIC */ RtreeGeomCallback cb; /* Info about the callback functions */ int nParam; /* Number of parameters to the SQL function */ sqlite3_value **apSqlParam; /* Original SQL parameter values */ RtreeDValue aParam[1]; /* Values for parameters to the SQL function */ }; #ifndef MAX ................................................................................ /* ** This function is called to configure the RtreeConstraint object passed ** as the second argument for a MATCH constraint. The value passed as the ** first argument to this function is the right-hand operand to the MATCH ** operator. */ static int deserializeGeometry(sqlite3_value *pValue, RtreeConstraint *pCons){ RtreeMatchArg *pBlob; /* BLOB returned by geometry function */ sqlite3_rtree_query_info *pInfo; /* Callback information */ int nBlob; /* Size of the geometry function blob */ int nExpected; /* Expected size of the BLOB */ /* Check that value is actually a blob. */ if( sqlite3_value_type(pValue)!=SQLITE_BLOB ) return SQLITE_ERROR; /* Check that the blob is roughly the right size. */ nBlob = sqlite3_value_bytes(pValue); if( nBlob<(int)sizeof(RtreeMatchArg) ){ return SQLITE_ERROR; } pInfo = (sqlite3_rtree_query_info*)sqlite3_malloc( sizeof(*pInfo)+nBlob ); if( !pInfo ) return SQLITE_NOMEM; memset(pInfo, 0, sizeof(*pInfo)); pBlob = (RtreeMatchArg*)&pInfo[1]; memcpy(pBlob, sqlite3_value_blob(pValue), nBlob); nExpected = (int)(sizeof(RtreeMatchArg) + pBlob->nParam*sizeof(sqlite3_value*) + (pBlob->nParam-1)*sizeof(RtreeDValue)); if( pBlob->magic!=RTREE_GEOMETRY_MAGIC || nBlob!=nExpected ){ sqlite3_free(pInfo); return SQLITE_ERROR; } pInfo->pContext = pBlob->cb.pContext; pInfo->nParam = pBlob->nParam; pInfo->aParam = pBlob->aParam; pInfo->apSqlParam = pBlob->apSqlParam; if( pBlob->cb.xGeom ){ pCons->u.xGeom = pBlob->cb.xGeom; ................................................................................ appStmt[6] = &pRtree->pWriteParent; appStmt[7] = &pRtree->pDeleteParent; rc = rtreeQueryStat1(db, pRtree); for(i=0; i<N_STATEMENT && rc==SQLITE_OK; i++){ char *zSql = sqlite3_mprintf(azSql[i], zDb, zPrefix); if( zSql ){ rc = sqlite3_prepare_v2(db, zSql, -1, appStmt[i], 0); }else{ rc = SQLITE_NOMEM; } sqlite3_free(zSql); } return rc; ................................................................................ zSql = sqlite3_mprintf( "SELECT length(data) FROM '%q'.'%q_node' WHERE nodeno = 1", pRtree->zDb, pRtree->zName ); rc = getIntFromStmt(db, zSql, &pRtree->iNodeSize); if( rc!=SQLITE_OK ){ *pzErr = sqlite3_mprintf("%s", sqlite3_errmsg(db)); } } sqlite3_free(zSql); return rc; } ................................................................................ nBlob = sizeof(RtreeMatchArg) + (nArg-1)*sizeof(RtreeDValue) + nArg*sizeof(sqlite3_value*); pBlob = (RtreeMatchArg *)sqlite3_malloc(nBlob); if( !pBlob ){ sqlite3_result_error_nomem(ctx); }else{ int i; pBlob->magic = RTREE_GEOMETRY_MAGIC; pBlob->cb = pGeomCtx[0]; pBlob->apSqlParam = (sqlite3_value**)&pBlob->aParam[nArg]; pBlob->nParam = nArg; for(i=0; i<nArg; i++){ pBlob->apSqlParam[i] = sqlite3_value_dup(aArg[i]); if( pBlob->apSqlParam[i]==0 ) memErr = 1; #ifdef SQLITE_RTREE_INT_ONLY ................................................................................ pBlob->aParam[i] = sqlite3_value_double(aArg[i]); #endif } if( memErr ){ sqlite3_result_error_nomem(ctx); rtreeMatchArgFree(pBlob); }else{ sqlite3_result_blob(ctx, pBlob, nBlob, rtreeMatchArgFree); } } } /* ** Register a new geometry function for use with the r-tree MATCH operator. */ ................................................................................ ** ** If the RBU update has been completely applied, mark the RBU database ** as fully applied. Otherwise, assuming no error has occurred, save the ** current state of the RBU update appliation to the RBU database. ** ** If an error has already occurred as part of an sqlite3rbu_step() ** or sqlite3rbu_open() call, or if one occurs within this function, an ** SQLite error code is returned. Additionally, *pzErrmsg may be set to ** point to a buffer containing a utf-8 formatted English language error ** message. It is the responsibility of the caller to eventually free any ** such buffer using sqlite3_free(). ** ** Otherwise, if no error occurs, this function returns SQLITE_OK if the ** update has been partially applied, or SQLITE_DONE if it has been ** completely applied. */ SQLITE_API int sqlite3rbu_close(sqlite3rbu *pRbu, char **pzErrmsg); ................................................................................ sqlite3_close(p->dbMain); rbuDeleteVfs(p); sqlite3_free(p->aBuf); sqlite3_free(p->aFrame); rbuEditErrmsg(p); rc = p->rc; *pzErrmsg = p->zErrmsg; sqlite3_free(p->zState); sqlite3_free(p); }else{ rc = SQLITE_NOMEM; *pzErrmsg = 0; } return rc; ................................................................................ 0, /* xUpdate */ 0, /* xBegin */ 0, /* xSync */ 0, /* xCommit */ 0, /* xRollback */ 0, /* xFindMethod */ 0, /* xRename */ }; return sqlite3_create_module(db, "dbstat", &dbstat_module, 0); } #elif defined(SQLITE_ENABLE_DBSTAT_VTAB) SQLITE_PRIVATE int sqlite3DbstatRegister(sqlite3 *db){ return SQLITE_OK; } #endif /* SQLITE_ENABLE_DBSTAT_VTAB */ ................................................................................ return SQLITE_DONE; } sessionDiscardData(&p->in); p->in.iCurrent = p->in.iNext; op = p->in.aData[p->in.iNext++]; if( op=='T' || op=='P' ){ p->bPatchset = (op=='P'); if( sessionChangesetReadTblhdr(p) ) return p->rc; if( (p->rc = sessionInputBuffer(&p->in, 2)) ) return p->rc; p->in.iCurrent = p->in.iNext; op = p->in.aData[p->in.iNext++]; } p->op = op; p->bIndirect = p->in.aData[p->in.iNext++]; if( p->op!=SQLITE_UPDATE && p->op!=SQLITE_DELETE && p->op!=SQLITE_INSERT ){ return (p->rc = SQLITE_CORRUPT_BKPT); ................................................................................ ** fts5yy_reduce_ofst[] For each state, the offset into fts5yy_action for ** shifting non-terminals after a reduce. ** fts5yy_default[] Default action for each state. ** *********** Begin parsing tables **********************************************/ #define fts5YY_ACTTAB_COUNT (98) static const fts5YYACTIONTYPE fts5yy_action[] = { /* 0 */ 105, 19, 63, 6, 26, 66, 65, 24, 24, 17, /* 10 */ 63, 6, 26, 16, 65, 54, 24, 18, 63, 6, /* 20 */ 26, 10, 65, 12, 24, 75, 59, 63, 6, 26, /* 30 */ 13, 65, 75, 24, 20, 63, 6, 26, 74, 65, /* 40 */ 56, 24, 27, 63, 6, 26, 73, 65, 21, 24, /* 50 */ 23, 15, 30, 11, 1, 64, 22, 25, 9, 65, /* 60 */ 7, 24, 3, 4, 5, 3, 4, 5, 3, 77, /* 70 */ 4, 5, 3, 61, 23, 15, 60, 11, 80, 12, /* 80 */ 2, 13, 68, 10, 29, 52, 55, 75, 31, 32, /* 90 */ 8, 28, 5, 3, 51, 55, 72, 14, }; static const fts5YYCODETYPE fts5yy_lookahead[] = { /* 0 */ 16, 17, 18, 19, 20, 22, 22, 24, 24, 17, ................................................................................ sqlite3Fts5ParserARG_SDECL /* A place to hold %extra_argument */ #if fts5YYSTACKDEPTH<=0 int fts5yystksz; /* Current side of the stack */ fts5yyStackEntry *fts5yystack; /* The parser's stack */ fts5yyStackEntry fts5yystk0; /* First stack entry */ #else fts5yyStackEntry fts5yystack[fts5YYSTACKDEPTH]; /* The parser's stack */ #endif }; typedef struct fts5yyParser fts5yyParser; #ifndef NDEBUG /* #include <stdio.h> */ static FILE *fts5yyTraceFILE = 0; ................................................................................ #endif #ifndef fts5YYNOERRORRECOVERY pParser->fts5yyerrcnt = -1; #endif pParser->fts5yytos = pParser->fts5yystack; pParser->fts5yystack[0].stateno = 0; pParser->fts5yystack[0].major = 0; } #ifndef sqlite3Fts5Parser_ENGINEALWAYSONSTACK /* ** This function allocates a new parser. ** The only argument is a pointer to a function which works like ** malloc. ................................................................................ #ifdef fts5YYTRACKMAXSTACKDEPTH if( (int)(fts5yypParser->fts5yytos - fts5yypParser->fts5yystack)>fts5yypParser->fts5yyhwm ){ fts5yypParser->fts5yyhwm++; assert( fts5yypParser->fts5yyhwm == (int)(fts5yypParser->fts5yytos - fts5yypParser->fts5yystack) ); } #endif #if fts5YYSTACKDEPTH>0 if( fts5yypParser->fts5yytos>=&fts5yypParser->fts5yystack[fts5YYSTACKDEPTH] ){ fts5yypParser->fts5yytos--; fts5yyStackOverflow(fts5yypParser); return; } #else if( fts5yypParser->fts5yytos>=&fts5yypParser->fts5yystack[fts5yypParser->fts5yystksz] ){ if( fts5yyGrowStack(fts5yypParser) ){ ................................................................................ fts5yyTraceShift(fts5yypParser, fts5yyNewState); } /* The following table contains information about every rule that ** is used during the reduce. */ static const struct { fts5YYCODETYPE lhs; /* Symbol on the left-hand side of the rule */ unsigned char nrhs; /* Number of right-hand side symbols in the rule */ } fts5yyRuleInfo[] = { { 16, 1 }, { 20, 4 }, { 20, 3 }, { 20, 1 }, { 20, 2 }, { 21, 2 }, { 21, 1 }, { 17, 3 }, { 17, 3 }, { 17, 3 }, { 17, 5 }, { 17, 3 }, { 17, 1 }, { 19, 1 }, { 19, 2 }, { 18, 1 }, { 18, 3 }, { 22, 1 }, { 22, 5 }, { 23, 1 }, { 23, 2 }, { 25, 0 }, { 25, 2 }, { 24, 4 }, { 24, 2 }, { 26, 1 }, { 26, 0 }, }; static void fts5yy_accept(fts5yyParser*); /* Forward Declaration */ /* ** Perform a reduce action and the shift that must immediately ................................................................................ int fts5yysize; /* Amount to pop the stack */ sqlite3Fts5ParserARG_FETCH; fts5yymsp = fts5yypParser->fts5yytos; #ifndef NDEBUG if( fts5yyTraceFILE && fts5yyruleno<(int)(sizeof(fts5yyRuleName)/sizeof(fts5yyRuleName[0])) ){ fts5yysize = fts5yyRuleInfo[fts5yyruleno].nrhs; fprintf(fts5yyTraceFILE, "%sReduce [%s], go to state %d.\n", fts5yyTracePrompt, fts5yyRuleName[fts5yyruleno], fts5yymsp[-fts5yysize].stateno); } #endif /* NDEBUG */ /* Check that the stack is large enough to grow by a single entry ** if the RHS of the rule is empty. This ensures that there is room ** enough on the stack to push the LHS value */ if( fts5yyRuleInfo[fts5yyruleno].nrhs==0 ){ ................................................................................ #ifdef fts5YYTRACKMAXSTACKDEPTH if( (int)(fts5yypParser->fts5yytos - fts5yypParser->fts5yystack)>fts5yypParser->fts5yyhwm ){ fts5yypParser->fts5yyhwm++; assert( fts5yypParser->fts5yyhwm == (int)(fts5yypParser->fts5yytos - fts5yypParser->fts5yystack)); } #endif #if fts5YYSTACKDEPTH>0 if( fts5yypParser->fts5yytos>=&fts5yypParser->fts5yystack[fts5YYSTACKDEPTH-1] ){ fts5yyStackOverflow(fts5yypParser); return; } #else if( fts5yypParser->fts5yytos>=&fts5yypParser->fts5yystack[fts5yypParser->fts5yystksz-1] ){ if( fts5yyGrowStack(fts5yypParser) ){ fts5yyStackOverflow(fts5yypParser); ................................................................................ default: break; /********** End reduce actions ************************************************/ }; assert( fts5yyruleno<sizeof(fts5yyRuleInfo)/sizeof(fts5yyRuleInfo[0]) ); fts5yygoto = fts5yyRuleInfo[fts5yyruleno].lhs; fts5yysize = fts5yyRuleInfo[fts5yyruleno].nrhs; fts5yyact = fts5yy_find_reduce_action(fts5yymsp[-fts5yysize].stateno,(fts5YYCODETYPE)fts5yygoto); if( fts5yyact <= fts5YY_MAX_SHIFTREDUCE ){ if( fts5yyact>fts5YY_MAX_SHIFT ){ fts5yyact += fts5YY_MIN_REDUCE - fts5YY_MIN_SHIFTREDUCE; } fts5yymsp -= fts5yysize-1; fts5yypParser->fts5yytos = fts5yymsp; fts5yymsp->stateno = (fts5YYACTIONTYPE)fts5yyact; fts5yymsp->major = (fts5YYCODETYPE)fts5yygoto; fts5yyTraceShift(fts5yypParser, fts5yyact); }else{ assert( fts5yyact == fts5YY_ACCEPT_ACTION ); fts5yypParser->fts5yytos -= fts5yysize; fts5yy_accept(fts5yypParser); } } /* ** The following code executes when the parse fails */ #ifndef fts5YYNOERRORRECOVERY ................................................................................ apNew = (Fts5HashEntry**)sqlite3_malloc(nNew*sizeof(Fts5HashEntry*)); if( !apNew ) return SQLITE_NOMEM; memset(apNew, 0, nNew*sizeof(Fts5HashEntry*)); for(i=0; i<pHash->nSlot; i++){ while( apOld[i] ){ int iHash; Fts5HashEntry *p = apOld[i]; apOld[i] = p->pHashNext; iHash = fts5HashKey(nNew, (u8*)fts5EntryKey(p), strlen(fts5EntryKey(p))); p->pHashNext = apNew[iHash]; apNew[iHash] = p; } } sqlite3_free(apOld); pHash->nSlot = nNew; ................................................................................ static int sqlite3Fts5HashQuery( Fts5Hash *pHash, /* Hash table to query */ const char *pTerm, int nTerm, /* Query term */ const u8 **ppDoclist, /* OUT: Pointer to doclist for pTerm */ int *pnDoclist /* OUT: Size of doclist in bytes */ ){ unsigned int iHash = fts5HashKey(pHash->nSlot, (const u8*)pTerm, nTerm); char *zKey; Fts5HashEntry *p; for(p=pHash->aSlot[iHash]; p; p=p->pHashNext){ zKey = fts5EntryKey(p); if( memcmp(zKey, pTerm, nTerm)==0 && zKey[nTerm]==0 ) break; } ................................................................................ static int fts5IndexPrepareStmt( Fts5Index *p, sqlite3_stmt **ppStmt, char *zSql ){ if( p->rc==SQLITE_OK ){ if( zSql ){ p->rc = sqlite3_prepare_v2(p->pConfig->db, zSql, -1, ppStmt, 0); }else{ p->rc = SQLITE_NOMEM; } } sqlite3_free(zSql); return p->rc; } ................................................................................ char *zSql = sqlite3_mprintf( "DELETE FROM '%q'.'%q_data' WHERE id>=? AND id<=?", pConfig->zDb, pConfig->zName ); if( zSql==0 ){ rc = SQLITE_NOMEM; }else{ rc = sqlite3_prepare_v2(pConfig->db, zSql, -1, &p->pDeleter, 0); sqlite3_free(zSql); } if( rc!=SQLITE_OK ){ p->rc = rc; return; } } ................................................................................ va_list ap; va_start(ap, zFmt); zSql = sqlite3_vmprintf(zFmt, ap); if( zSql==0 ){ rc = SQLITE_NOMEM; }else{ rc = sqlite3_prepare_v2(pConfig->db, zSql, -1, &pRet, 0); if( rc!=SQLITE_OK ){ *pConfig->pzErrmsg = sqlite3_mprintf("%s", sqlite3_errmsg(pConfig->db)); } sqlite3_free(zSql); } va_end(ap); ................................................................................ const char *zRank = pCsr->zRank; const char *zRankArgs = pCsr->zRankArgs; if( zRankArgs ){ char *zSql = sqlite3Fts5Mprintf(&rc, "SELECT %s", zRankArgs); if( zSql ){ sqlite3_stmt *pStmt = 0; rc = sqlite3_prepare_v2(pConfig->db, zSql, -1, &pStmt, 0); sqlite3_free(zSql); assert( rc==SQLITE_OK || pCsr->pRankArgStmt==0 ); if( rc==SQLITE_OK ){ if( SQLITE_ROW==sqlite3_step(pStmt) ){ int nByte; pCsr->nRankArg = sqlite3_column_count(pStmt); nByte = sizeof(sqlite3_value*)*pCsr->nRankArg; ................................................................................ sqlite3_free(pGlobal); } static void fts5Fts5Func( sqlite3_context *pCtx, /* Function call context */ int nArg, /* Number of args */ sqlite3_value **apUnused /* Function arguments */ ){ Fts5Global *pGlobal = (Fts5Global*)sqlite3_user_data(pCtx); char buf[8]; UNUSED_PARAM2(nArg, apUnused); assert( nArg==0 ); assert( sizeof(buf)>=sizeof(pGlobal) ); memcpy(buf, (void*)&pGlobal, sizeof(pGlobal)); sqlite3_result_blob(pCtx, buf, sizeof(pGlobal), SQLITE_TRANSIENT); } /* ** Implementation of fts5_source_id() function. */ static void fts5SourceIdFunc( sqlite3_context *pCtx, /* Function call context */ int nArg, /* Number of args */ sqlite3_value **apUnused /* Function arguments */ ){ assert( nArg==0 ); UNUSED_PARAM2(nArg, apUnused); sqlite3_result_text(pCtx, "fts5: 2017-06-08 14:26:16 0ee482a1e0eae22e08edc8978c9733a96603d4509645f348ebf55b579e89636b", -1, SQLITE_TRANSIENT); } static int fts5Init(sqlite3 *db){ static const sqlite3_module fts5Mod = { /* iVersion */ 2, /* xCreate */ fts5CreateMethod, /* xConnect */ fts5ConnectMethod, ................................................................................ if( rc==SQLITE_OK ) rc = sqlite3Fts5IndexInit(db); if( rc==SQLITE_OK ) rc = sqlite3Fts5ExprInit(pGlobal, db); if( rc==SQLITE_OK ) rc = sqlite3Fts5AuxInit(&pGlobal->api); if( rc==SQLITE_OK ) rc = sqlite3Fts5TokenizerInit(&pGlobal->api); if( rc==SQLITE_OK ) rc = sqlite3Fts5VocabInit(pGlobal, db); if( rc==SQLITE_OK ){ rc = sqlite3_create_function( db, "fts5", 0, SQLITE_UTF8, p, fts5Fts5Func, 0, 0 ); } if( rc==SQLITE_OK ){ rc = sqlite3_create_function( db, "fts5_source_id", 0, SQLITE_UTF8, p, fts5SourceIdFunc, 0, 0 ); } ................................................................................ zSql = sqlite3_mprintf(azStmt[eStmt], pC->zDb, pC->zName); break; } if( zSql==0 ){ rc = SQLITE_NOMEM; }else{ rc = sqlite3_prepare_v2(pC->db, zSql, -1, &p->aStmt[eStmt], 0); sqlite3_free(zSql); if( rc!=SQLITE_OK && pzErrMsg ){ *pzErrMsg = sqlite3_mprintf("%s", sqlite3_errmsg(pC->db)); } } } ................................................................................ #endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS5) */ /************** End of fts5.c ************************************************/ |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | < < < > > > | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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1 2 3 4 5 6 7 8 9 10 .. 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 .... 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 .... 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 .... 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 .... 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 .... 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 .... 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 .... 4506 4507 4508 4509 4510 4511 4512 4513 4514 4515 4516 4517 4518 4519 4520 4521 4522 4523 4524 4525 4526 4527 4528 4529 4530 4531 4532 4533 4534 4535 4536 4537 4538 4539 4540 4541 4542 4543 4544 4545 4546 4547 4548 4549 4550 4551 4552 4553 4554 4555 4556 4557 4558 4559 4560 4561 4562 4563 4564 4565 4566 4567 4568 4569 4570 4571 4572 .... 4585 4586 4587 4588 4589 4590 4591 4592 4593 4594 4595 4596 4597 4598 4599 4600 4601 4602 4603 .... 4622 4623 4624 4625 4626 4627 4628 4629 4630 4631 4632 4633 4634 4635 4636 4637 4638 4639 4640 4641 4642 4643 4644 4645 4646 4647 4648 4649 4650 4651 4652 4653 4654 4655 4656 4657 4658 4659 4660 4661 4662 .... 4666 4667 4668 4669 4670 4671 4672 4673 4674 4675 4676 4677 4678 4679 4680 4681 4682 4683 4684 4685 4686 4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 .... 4907 4908 4909 4910 4911 4912 4913 4914 4915 4916 4917 4918 4919 4920 4921 4922 4923 4924 4925 4926 4927 4928 4929 .... 4950 4951 4952 4953 4954 4955 4956 4957 4958 4959 4960 4961 4962 4963 4964 .... 4994 4995 4996 4997 4998 4999 5000 5001 5002 5003 5004 5005 5006 5007 5008 5009 .... 5012 5013 5014 5015 5016 5017 5018 5019 5020 5021 5022 5023 5024 5025 5026 5027 .... 5167 5168 5169 5170 5171 5172 5173 5174 5175 5176 5177 5178 5179 5180 5181 5182 5183 5184 5185 5186 5187 5188 5189 5190 5191 5192 .... 5224 5225 5226 5227 5228 5229 5230 5231 5232 5233 5234 5235 5236 5237 5238 .... 5239 5240 5241 5242 5243 5244 5245 5246 5247 5248 5249 5250 5251 5252 5253 5254 5255 5256 5257 .... 5304 5305 5306 5307 5308 5309 5310 5311 5312 5313 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323 5324 5325 5326 5327 5328 5329 5330 5331 5332 5333 5334 5335 5336 5337 5338 5339 .... 5348 5349 5350 5351 5352 5353 5354 5355 5356 5357 5358 5359 5360 5361 5362 5363 5364 5365 5366 5367 5368 5369 5370 5371 5372 5373 5374 5375 5376 5377 5378 5379 5380 5381 5382 5383 .... 5407 5408 5409 5410 5411 5412 5413 5414 5415 5416 5417 5418 5419 5420 5421 5422 5423 5424 5425 5426 5427 .... 5485 5486 5487 5488 5489 5490 5491 5492 5493 5494 5495 5496 5497 5498 5499 5500 5501 5502 5503 5504 5505 5506 5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 .... 5738 5739 5740 5741 5742 5743 5744 5745 5746 5747 5748 5749 5750 5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761 5762 5763 5764 5765 5766 5767 5768 5769 5770 5771 5772 5773 5774 5775 5776 5777 5778 5779 5780 5781 5782 5783 5784 5785 5786 5787 5788 5789 5790 5791 5792 5793 5794 5795 5796 5797 5798 5799 5800 5801 5802 5803 5804 5805 5806 5807 5808 5809 5810 5811 5812 5813 .... 5818 5819 5820 5821 5822 5823 5824 5825 5826 5827 5828 5829 5830 5831 5832 5833 5834 5835 5836 5837 5838 5839 5840 5841 5842 5843 5844 5845 5846 5847 5848 5849 5850 5851 5852 5853 .... 6109 6110 6111 6112 6113 6114 6115 6116 6117 6118 6119 6120 6121 6122 6123 6124 6125 6126 6127 6128 6129 6130 6131 6132 6133 6134 6135 6136 6137 6138 6139 6140 6141 6142 6143 6144 6145 6146 .... 6156 6157 6158 6159 6160 6161 6162 6163 6164 6165 6166 6167 6168 6169 6170 .... 6816 6817 6818 6819 6820 6821 6822 6823 6824 6825 6826 6827 6828 6829 6830 6831 6832 .... 8331 8332 8333 8334 8335 8336 8337 8338 8339 8340 8341 8342 8343 8344 8345 8346 8347 8348 8349 8350 8351 8352 8353 8354 8355 8356 8357 8358 8359 8360 8361 8362 8363 8364 8365 8366 8367 8368 8369 8370 8371 8372 ..... 11725 11726 11727 11728 11729 11730 11731 11732 11733 11734 11735 11736 11737 11738 11739 11740 11741 ..... 12037 12038 12039 12040 12041 12042 12043 12044 12045 12046 12047 12048 12049 12050 12051 12052 12053 12054 12055 ..... 12632 12633 12634 12635 12636 12637 12638 12639 12640 12641 12642 12643 12644 12645 ..... 12932 12933 12934 12935 12936 12937 12938 12939 12940 12941 12942 12943 12944 12945 12946 12947 12948 12949 12950 12951 12952 12953 12954 ..... 13425 13426 13427 13428 13429 13430 13431 13432 13433 13434 13435 13436 13437 13438 13439 13440 13441 ..... 13578 13579 13580 13581 13582 13583 13584 13585 13586 13587 13588 13589 13590 13591 13592 ..... 13622 13623 13624 13625 13626 13627 13628 13629 13630 13631 13632 13633 13634 13635 13636 13637 13638 13639 13640 13641 13642 13643 13644 13645 13646 13647 13648 13649 13650 13651 13652 13653 13654 13655 ..... 13753 13754 13755 13756 13757 13758 13759 13760 13761 13762 13763 13764 13765 13766 13767 13768 13769 13770 13771 13772 ..... 13778 13779 13780 13781 13782 13783 13784 13785 13786 13787 13788 13789 13790 13791 13792 13793 13794 13795 13796 13797 13798 13799 13800 13801 13802 13803 13804 13805 13806 13807 13808 13809 13810 13811 13812 13813 13814 13815 13816 13817 13818 13819 13820 13821 13822 13823 13824 13825 13826 13827 13828 13829 13830 13831 13832 13833 13834 13835 13836 13837 13838 13839 13840 13841 13842 13843 13844 13845 13846 13847 13848 13849 13850 13851 13852 13853 13854 13855 13856 13857 13858 13859 13860 13861 13862 13863 13864 13865 ..... 13872 13873 13874 13875 13876 13877 13878 13879 13880 13881 13882 13883 13884 13885 13886 13887 13888 13889 13890 13891 13892 13893 13894 13895 13896 13897 13898 13899 13900 13901 13902 13903 13904 13905 13906 13907 13908 13909 13910 13911 13912 13913 13914 13915 13916 13917 ..... 13961 13962 13963 13964 13965 13966 13967 13968 13969 13970 13971 13972 13973 13974 13975 13976 ..... 13983 13984 13985 13986 13987 13988 13989 13990 13991 13992 13993 13994 13995 13996 13997 13998 ..... 14330 14331 14332 14333 14334 14335 14336 14337 14338 14339 14340 14341 14342 14343 14344 14345 14346 14347 14348 14349 14350 14351 14352 14353 14354 14355 14356 14357 14358 ..... 15186 15187 15188 15189 15190 15191 15192 15193 15194 15195 15196 15197 15198 15199 15200 15201 15202 15203 15204 15205 15206 15207 15208 15209 15210 15211 15212 15213 15214 15215 15216 15217 15218 15219 15220 15221 15222 15223 15224 15225 15226 15227 15228 15229 15230 15231 15232 15233 15234 15235 15236 15237 15238 15239 ..... 15245 15246 15247 15248 15249 15250 15251 15252 15253 15254 15255 15256 15257 15258 15259 ..... 15364 15365 15366 15367 15368 15369 15370 15371 15372 15373 15374 15375 15376 15377 15378 15379 15380 15381 15382 15383 15384 15385 ..... 15394 15395 15396 15397 15398 15399 15400 15401 15402 15403 15404 15405 15406 15407 15408 15409 15410 15411 15412 ..... 16118 16119 16120 16121 16122 16123 16124 16125 16126 16127 16128 16129 16130 16131 16132 16133 ..... 16586 16587 16588 16589 16590 16591 16592 16593 16594 16595 16596 16597 16598 16599 16600 16601 16602 16603 ..... 16699 16700 16701 16702 16703 16704 16705 16706 16707 16708 16709 16710 16711 16712 16713 16714 ..... 17092 17093 17094 17095 17096 17097 17098 17099 17100 17101 17102 17103 17104 17105 17106 17107 17108 17109 ..... 17157 17158 17159 17160 17161 17162 17163 17164 17165 17166 17167 17168 17169 17170 17171 17172 17173 17174 17175 17176 17177 17178 ..... 17533 17534 17535 17536 17537 17538 17539 17540 17541 17542 17543 17544 17545 17546 17547 17548 17549 17550 17551 17552 17553 17554 17555 17556 17557 17558 17559 17560 17561 17562 17563 17564 ..... 17671 17672 17673 17674 17675 17676 17677 17678 17679 17680 17681 17682 17683 17684 17685 17686 17687 ..... 17762 17763 17764 17765 17766 17767 17768 17769 17770 17771 17772 17773 17774 17775 17776 17777 17778 ..... 18127 18128 18129 18130 18131 18132 18133 18134 18135 18136 18137 18138 18139 18140 18141 18142 18143 18144 ..... 18436 18437 18438 18439 18440 18441 18442 18443 18444 18445 18446 18447 18448 18449 ..... 18646 18647 18648 18649 18650 18651 18652 18653 18654 18655 18656 18657 18658 18659 18660 18661 ..... 18679 18680 18681 18682 18683 18684 18685 18686 18687 18688 18689 18690 18691 18692 18693 18694 18695 18696 18697 18698 18699 18700 18701 18702 18703 18704 18705 18706 18707 18708 18709 18710 18711 18712 18713 18714 18715 18716 18717 18718 18719 18720 ..... 18841 18842 18843 18844 18845 18846 18847 18848 18849 18850 18851 18852 18853 18854 18855 18856 18857 18858 18859 18860 18861 18862 18863 18864 18865 18866 ..... 18934 18935 18936 18937 18938 18939 18940 18941 18942 18943 18944 18945 18946 18947 18948 ..... 18966 18967 18968 18969 18970 18971 18972 18973 18974 18975 18976 18977 18978 18979 18980 ..... 18994 18995 18996 18997 18998 18999 19000 19001 19002 19003 19004 19005 19006 19007 19008 19009 19010 19011 19012 19013 19014 19015 ..... 19740 19741 19742 19743 19744 19745 19746 19747 19748 19749 19750 19751 19752 19753 19754 ..... 20023 20024 20025 20026 20027 20028 20029 20030 20031 20032 20033 20034 20035 20036 20037 ..... 20049 20050 20051 20052 20053 20054 20055 20056 20057 20058 20059 20060 20061 20062 20063 ..... 20585 20586 20587 20588 20589 20590 20591 20592 20593 20594 20595 20596 20597 20598 20599 20600 20601 20602 20603 ..... 27085 27086 27087 27088 27089 27090 27091 27092 27093 27094 27095 27096 27097 27098 27099 27100 27101 27102 27103 27104 27105 27106 27107 27108 27109 ..... 27983 27984 27985 27986 27987 27988 27989 27990 27991 27992 27993 27994 27995 27996 27997 27998 27999 ..... 29896 29897 29898 29899 29900 29901 29902 29903 29904 29905 29906 29907 29908 29909 29910 29911 29912 29913 29914 29915 29916 29917 29918 29919 29920 29921 29922 29923 29924 29925 29926 29927 29928 29929 29930 29931 29932 29933 29934 29935 29936 29937 29938 29939 29940 29941 29942 29943 ..... 29971 29972 29973 29974 29975 29976 29977 29978 29979 29980 29981 29982 29983 29984 29985 29986 29987 ..... 29998 29999 30000 30001 30002 30003 30004 30005 30006 30007 30008 30009 30010 30011 30012 ..... 30107 30108 30109 30110 30111 30112 30113 30114 30115 30116 30117 30118 30119 30120 30121 30122 30123 30124 30125 30126 ..... 30132 30133 30134 30135 30136 30137 30138 30139 30140 30141 30142 30143 30144 30145 30146 30147 30148 30149 30150 30151 30152 30153 30154 30155 30156 30157 30158 30159 30160 30161 30162 30163 30164 30165 30166 30167 30168 30169 30170 30171 30172 30173 30174 30175 30176 30177 30178 30179 30180 30181 30182 30183 30184 30185 30186 30187 30188 30189 30190 30191 30192 30193 30194 30195 30196 30197 30198 30199 30200 30201 30202 30203 30204 30205 30206 30207 30208 30209 30210 30211 30212 30213 30214 30215 30216 30217 30218 30219 ..... 50700 50701 50702 50703 50704 50705 50706 50707 50708 50709 50710 50711 50712 50713 50714 ..... 50751 50752 50753 50754 50755 50756 50757 50758 50759 50760 50761 50762 50763 50764 50765 50766 50767 50768 50769 50770 50771 50772 50773 50774 50775 50776 50777 50778 50779 ..... 52708 52709 52710 52711 52712 52713 52714 52715 52716 52717 52718 52719 52720 52721 52722 52723 52724 52725 52726 52727 52728 52729 ..... 59008 59009 59010 59011 59012 59013 59014 59015 59016 59017 59018 59019 59020 59021 59022 59023 59024 59025 59026 59027 ..... 59711 59712 59713 59714 59715 59716 59717 59718 59719 59720 59721 59722 59723 59724 59725 ..... 59788 59789 59790 59791 59792 59793 59794 59795 59796 59797 59798 59799 59800 59801 59802 ..... 59810 59811 59812 59813 59814 59815 59816 59817 59818 59819 59820 59821 59822 59823 59824 ..... 59888 59889 59890 59891 59892 59893 59894 59895 59896 59897 59898 59899 59900 59901 59902 ..... 60330 60331 60332 60333 60334 60335 60336 60337 60338 60339 60340 60341 60342 60343 60344 ..... 60559 60560 60561 60562 60563 60564 60565 60566 60567 60568 60569 60570 60571 60572 60573 ..... 60944 60945 60946 60947 60948 60949 60950 60951 60952 60953 60954 60955 60956 60957 60958 ..... 60975 60976 60977 60978 60979 60980 60981 60982 60983 60984 60985 60986 60987 60988 60989 60990 60991 60992 60993 60994 60995 ..... 61001 61002 61003 61004 61005 61006 61007 61008 61009 61010 61011 61012 61013 61014 61015 ..... 61040 61041 61042 61043 61044 61045 61046 61047 61048 61049 61050 61051 61052 61053 61054 61055 61056 61057 61058 61059 61060 61061 61062 61063 61064 61065 ..... 61118 61119 61120 61121 61122 61123 61124 61125 61126 61127 61128 61129 61130 61131 61132 ..... 61199 61200 61201 61202 61203 61204 61205 61206 61207 61208 61209 61210 61211 61212 61213 ..... 61214 61215 61216 61217 61218 61219 61220 61221 61222 61223 61224 61225 61226 61227 61228 61229 61230 61231 61232 61233 61234 61235 61236 61237 61238 61239 61240 61241 61242 61243 61244 61245 61246 61247 61248 61249 61250 61251 61252 61253 61254 61255 61256 61257 61258 61259 61260 61261 61262 61263 61264 61265 61266 61267 61268 61269 61270 61271 61272 ..... 61326 61327 61328 61329 61330 61331 61332 61333 61334 61335 61336 61337 61338 61339 61340 ..... 61342 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61641 61642 61643 61644 61645 61646 61647 61648 61649 ..... 61913 61914 61915 61916 61917 61918 61919 61920 61921 61922 61923 61924 61925 61926 61927 61928 61929 61930 ..... 62364 62365 62366 62367 62368 62369 62370 62371 62372 62373 62374 62375 62376 62377 62378 62379 62380 62381 62382 62383 62384 62385 62386 62387 62388 62389 62390 62391 62392 62393 62394 62395 62396 62397 62398 62399 62400 62401 62402 62403 62404 62405 ..... 62597 62598 62599 62600 62601 62602 62603 62604 62605 62606 62607 62608 62609 62610 62611 ..... 62940 62941 62942 62943 62944 62945 62946 62947 62948 62949 62950 62951 62952 62953 62954 ..... 62983 62984 62985 62986 62987 62988 62989 62990 62991 62992 62993 62994 62995 62996 62997 62998 62999 63000 63001 63002 63003 63004 63005 63006 63007 63008 63009 63010 63011 63012 63013 63014 63015 63016 ..... 63020 63021 63022 63023 63024 63025 63026 63027 63028 63029 63030 63031 63032 63033 63034 ..... 64128 64129 64130 64131 64132 64133 64134 64135 64136 64137 64138 64139 64140 64141 64142 ..... 64275 64276 64277 64278 64279 64280 64281 64282 64283 64284 64285 64286 64287 64288 64289 64290 ..... 64542 64543 64544 64545 64546 64547 64548 64549 64550 64551 64552 64553 64554 64555 64556 ..... 64747 64748 64749 64750 64751 64752 64753 64754 64755 64756 64757 64758 64759 64760 64761 64762 64763 64764 64765 64766 64767 64768 64769 64770 64771 64772 64773 ..... 64815 64816 64817 64818 64819 64820 64821 64822 64823 64824 64825 64826 64827 64828 64829 64830 64831 ..... 64890 64891 64892 64893 64894 64895 64896 64897 64898 64899 64900 64901 64902 64903 64904 ..... 64995 64996 64997 64998 64999 65000 65001 65002 65003 65004 65005 65006 65007 65008 65009 65010 65011 65012 65013 65014 65015 65016 65017 65018 65019 65020 65021 65022 65023 65024 65025 65026 65027 65028 65029 65030 65031 65032 65033 65034 65035 65036 65037 65038 65039 65040 65041 65042 ..... 65060 65061 65062 65063 65064 65065 65066 65067 65068 65069 65070 65071 65072 65073 65074 65075 65076 65077 65078 65079 65080 65081 65082 65083 65084 65085 65086 65087 65088 65089 65090 65091 65092 65093 65094 65095 65096 65097 65098 65099 65100 65101 65102 65103 65104 65105 65106 65107 65108 65109 65110 65111 65112 65113 65114 65115 65116 65117 65118 65119 65120 65121 65122 65123 65124 65125 65126 65127 65128 65129 65130 65131 65132 65133 65134 65135 65136 65137 65138 65139 65140 65141 65142 65143 65144 65145 65146 65147 ..... 65157 65158 65159 65160 65161 65162 65163 65164 65165 65166 65167 65168 65169 65170 65171 65172 65173 65174 65175 65176 65177 65178 65179 65180 65181 65182 65183 65184 65185 65186 65187 65188 65189 65190 65191 65192 65193 65194 65195 65196 65197 65198 65199 ..... 65293 65294 65295 65296 65297 65298 65299 65300 65301 65302 65303 65304 65305 65306 65307 ..... 65322 65323 65324 65325 65326 65327 65328 65329 65330 65331 65332 65333 65334 65335 65336 ..... 65356 65357 65358 65359 65360 65361 65362 65363 65364 65365 65366 65367 65368 65369 65370 ..... 65421 65422 65423 65424 65425 65426 65427 65428 65429 65430 65431 65432 65433 65434 65435 ..... 65691 65692 65693 65694 65695 65696 65697 65698 65699 65700 65701 65702 65703 65704 65705 65706 ..... 66787 66788 66789 66790 66791 66792 66793 66794 66795 66796 66797 66798 66799 66800 66801 ..... 67907 67908 67909 67910 67911 67912 67913 67914 67915 67916 67917 67918 67919 67920 67921 67922 ..... 70270 70271 70272 70273 70274 70275 70276 70277 70278 70279 70280 70281 70282 70283 70284 70285 70286 70287 70288 70289 70290 70291 70292 70293 70294 70295 70296 70297 70298 70299 70300 70301 70302 70303 70304 70305 70306 70307 70308 70309 70310 70311 70312 70313 70314 70315 70316 70317 70318 70319 70320 70321 70322 70323 70324 ..... 70972 70973 70974 70975 70976 70977 70978 70979 70980 70981 70982 70983 70984 70985 70986 70987 70988 70989 70990 70991 70992 70993 70994 70995 70996 70997 70998 70999 71000 71001 71002 71003 71004 71005 71006 ..... 71614 71615 71616 71617 71618 71619 71620 71621 71622 71623 71624 71625 71626 71627 71628 ..... 71771 71772 71773 71774 71775 71776 71777 71778 71779 71780 71781 71782 71783 71784 71785 71786 71787 71788 71789 71790 71791 71792 71793 71794 71795 71796 71797 71798 71799 ..... 72059 72060 72061 72062 72063 72064 72065 72066 72067 72068 72069 72070 72071 72072 72073 72074 72075 72076 72077 72078 72079 72080 ..... 72088 72089 72090 72091 72092 72093 72094 72095 72096 72097 72098 72099 72100 72101 72102 72103 72104 72105 ..... 72247 72248 72249 72250 72251 72252 72253 72254 72255 72256 72257 72258 72259 72260 72261 72262 72263 72264 72265 72266 72267 72268 72269 72270 72271 72272 72273 72274 72275 72276 72277 72278 72279 72280 72281 ..... 72891 72892 72893 72894 72895 72896 72897 72898 72899 72900 72901 72902 72903 72904 72905 ..... 74171 74172 74173 74174 74175 74176 74177 74178 74179 74180 74181 74182 74183 74184 74185 74186 74187 74188 74189 74190 74191 74192 74193 74194 74195 74196 ..... 74832 74833 74834 74835 74836 74837 74838 74839 74840 74841 74842 74843 74844 74845 74846 74847 74848 74849 ..... 75743 75744 75745 75746 75747 75748 75749 75750 75751 75752 75753 75754 75755 75756 75757 75758 75759 75760 75761 75762 75763 75764 75765 75766 75767 75768 75769 75770 ..... 76540 76541 76542 76543 76544 76545 76546 76547 76548 76549 76550 76551 76552 76553 76554 76555 76556 76557 76558 76559 76560 76561 76562 76563 76564 76565 76566 76567 76568 76569 76570 76571 76572 76573 76574 ..... 76580 76581 76582 76583 76584 76585 76586 76587 76588 76589 76590 76591 76592 76593 76594 76595 76596 76597 76598 76599 76600 76601 76602 76603 76604 76605 76606 76607 76608 76609 76610 76611 76612 76613 76614 76615 76616 76617 76618 76619 76620 76621 76622 ..... 76874 76875 76876 76877 76878 76879 76880 76881 76882 76883 76884 76885 76886 76887 76888 ..... 76918 76919 76920 76921 76922 76923 76924 76925 76926 76927 76928 76929 76930 76931 76932 76933 76934 76935 76936 76937 76938 76939 76940 76941 76942 76943 76944 ..... 77110 77111 77112 77113 77114 77115 77116 77117 77118 77119 77120 77121 77122 77123 77124 77125 77126 77127 77128 77129 77130 77131 77132 77133 77134 ..... 77377 77378 77379 77380 77381 77382 77383 77384 77385 77386 77387 77388 77389 77390 77391 77392 77393 77394 77395 ..... 78020 78021 78022 78023 78024 78025 78026 78027 78028 78029 78030 78031 78032 78033 78034 ..... 78050 78051 78052 78053 78054 78055 78056 78057 78058 78059 78060 78061 78062 78063 78064 78065 78066 78067 ..... 78123 78124 78125 78126 78127 78128 78129 78130 78131 78132 78133 78134 78135 78136 78137 78138 78139 78140 78141 78142 78143 78144 78145 78146 78147 78148 78149 78150 78151 78152 78153 78154 ..... 78304 78305 78306 78307 78308 78309 78310 78311 78312 78313 78314 78315 78316 78317 78318 78319 78320 78321 78322 ..... 78378 78379 78380 78381 78382 78383 78384 78385 78386 78387 78388 78389 78390 78391 78392 78393 78394 78395 78396 78397 78398 78399 78400 78401 78402 78403 78404 ..... 79545 79546 79547 79548 79549 79550 79551 79552 79553 79554 79555 79556 79557 79558 79559 ..... 79577 79578 79579 79580 79581 79582 79583 79584 79585 79586 79587 79588 79589 79590 79591 79592 ..... 79756 79757 79758 79759 79760 79761 79762 79763 79764 79765 79766 79767 79768 79769 79770 ..... 80298 80299 80300 80301 80302 80303 80304 80305 80306 80307 80308 80309 80310 80311 80312 ..... 80562 80563 80564 80565 80566 80567 80568 80569 80570 80571 80572 80573 80574 80575 ..... 81358 81359 81360 81361 81362 81363 81364 81365 81366 81367 81368 81369 81370 81371 81372 81373 81374 ..... 82842 82843 82844 82845 82846 82847 82848 82849 82850 82851 82852 82853 82854 82855 82856 82857 82858 82859 82860 82861 82862 82863 82864 82865 82866 82867 82868 82869 82870 82871 82872 82873 82874 82875 82876 82877 82878 82879 82880 ..... 83972 83973 83974 83975 83976 83977 83978 83979 83980 83981 83982 83983 83984 83985 83986 83987 83988 83989 83990 83991 83992 83993 83994 83995 83996 83997 83998 83999 84000 84001 84002 ..... 84003 84004 84005 84006 84007 84008 84009 84010 84011 84012 84013 84014 84015 84016 84017 84018 84019 84020 84021 84022 84023 84024 84025 84026 84027 84028 84029 84030 84031 ..... 84128 84129 84130 84131 84132 84133 84134 84135 84136 84137 84138 84139 84140 84141 84142 84143 ..... 84156 84157 84158 84159 84160 84161 84162 84163 84164 84165 84166 84167 84168 84169 84170 84171 84172 84173 84174 ..... 84186 84187 84188 84189 84190 84191 84192 84193 84194 84195 84196 84197 84198 84199 84200 ..... 85432 85433 85434 85435 85436 85437 85438 85439 85440 85441 85442 85443 85444 85445 85446 ..... 85861 85862 85863 85864 85865 85866 85867 85868 85869 85870 85871 85872 85873 85874 85875 85876 85877 85878 85879 85880 85881 85882 85883 85884 85885 85886 85887 85888 85889 85890 85891 85892 85893 85894 85895 85896 85897 85898 85899 85900 85901 85902 85903 85904 85905 85906 85907 85908 85909 85910 85911 85912 85913 85914 85915 85916 85917 85918 85919 85920 85921 85922 85923 85924 85925 85926 85927 85928 85929 85930 85931 85932 85933 85934 85935 85936 85937 85938 85939 85940 85941 85942 85943 85944 85945 85946 85947 85948 85949 85950 85951 85952 85953 85954 85955 85956 85957 85958 85959 85960 85961 85962 85963 85964 85965 85966 85967 85968 85969 85970 85971 85972 85973 85974 85975 85976 85977 85978 85979 85980 85981 85982 85983 85984 85985 85986 85987 85988 85989 ..... 86055 86056 86057 86058 86059 86060 86061 86062 86063 86064 86065 86066 86067 86068 86069 ..... 87529 87530 87531 87532 87533 87534 87535 87536 87537 87538 87539 87540 87541 87542 87543 87544 87545 ..... 89326 89327 89328 89329 89330 89331 89332 89333 89334 89335 89336 89337 89338 89339 89340 89341 89342 89343 89344 89345 89346 89347 89348 89349 89350 89351 89352 89353 89354 89355 89356 89357 89358 89359 89360 89361 89362 89363 89364 89365 89366 89367 89368 89369 89370 89371 89372 89373 89374 89375 ..... 89932 89933 89934 89935 89936 89937 89938 89939 89940 89941 89942 89943 89944 89945 89946 89947 89948 89949 89950 89951 89952 89953 89954 89955 89956 ..... 89997 89998 89999 90000 90001 90002 90003 90004 90005 90006 90007 90008 90009 90010 90011 ..... 90017 90018 90019 90020 90021 90022 90023 90024 90025 90026 90027 90028 90029 90030 90031 90032 90033 90034 90035 90036 90037 90038 90039 90040 90041 90042 90043 90044 90045 90046 90047 90048 90049 90050 90051 90052 90053 90054 90055 90056 90057 90058 ..... 90529 90530 90531 90532 90533 90534 90535 90536 90537 90538 90539 90540 90541 90542 90543 ..... 90568 90569 90570 90571 90572 90573 90574 90575 90576 90577 90578 90579 90580 90581 ..... 90627 90628 90629 90630 90631 90632 90633 90634 90635 90636 90637 90638 90639 90640 ..... 90959 90960 90961 90962 90963 90964 90965 90966 90967 90968 90969 90970 90971 90972 90973 ..... 91193 91194 91195 91196 91197 91198 91199 91200 91201 91202 91203 91204 91205 91206 91207 ..... 91479 91480 91481 91482 91483 91484 91485 91486 91487 91488 91489 91490 91491 91492 91493 91494 91495 91496 91497 91498 91499 91500 91501 91502 91503 91504 91505 91506 91507 91508 91509 91510 91511 91512 91513 91514 91515 ..... 91542 91543 91544 91545 91546 91547 91548 91549 91550 91551 91552 91553 91554 91555 91556 91557 91558 ..... 92333 92334 92335 92336 92337 92338 92339 92340 92341 92342 92343 92344 92345 92346 92347 ..... 92614 92615 92616 92617 92618 92619 92620 92621 92622 92623 92624 92625 92626 92627 92628 92629 92630 ..... 93078 93079 93080 93081 93082 93083 93084 93085 93086 93087 93088 93089 93090 93091 93092 93093 93094 ..... 93364 93365 93366 93367 93368 93369 93370 93371 93372 93373 93374 93375 93376 93377 93378 93379 93380 93381 93382 93383 ..... 93419 93420 93421 93422 93423 93424 93425 93426 93427 93428 93429 93430 93431 93432 93433 ..... 93457 93458 93459 93460 93461 93462 93463 93464 93465 93466 93467 93468 93469 93470 93471 93472 93473 ..... 93487 93488 93489 93490 93491 93492 93493 93494 93495 93496 93497 93498 93499 93500 93501 93502 93503 93504 93505 93506 ..... 94827 94828 94829 94830 94831 94832 94833 94834 94835 94836 94837 94838 94839 94840 94841 94842 94843 ..... 95073 95074 95075 95076 95077 95078 95079 95080 95081 95082 95083 95084 95085 95086 95087 95088 95089 95090 95091 95092 95093 ..... 95416 95417 95418 95419 95420 95421 95422 95423 95424 95425 95426 95427 95428 95429 95430 95431 ..... 95696 95697 95698 95699 95700 95701 95702 95703 95704 95705 95706 95707 95708 95709 95710 ..... 96251 96252 96253 96254 96255 96256 96257 96258 96259 96260 96261 96262 96263 96264 96265 96266 96267 96268 96269 96270 96271 96272 96273 96274 96275 96276 96277 96278 96279 96280 96281 96282 96283 96284 96285 96286 96287 96288 96289 96290 96291 96292 96293 96294 96295 96296 96297 96298 96299 ..... 96308 96309 96310 96311 96312 96313 96314 96315 96316 96317 96318 96319 96320 96321 96322 96323 96324 96325 96326 96327 96328 96329 96330 96331 96332 96333 96334 96335 96336 96337 96338 96339 96340 96341 96342 96343 96344 96345 96346 96347 96348 96349 ..... 96350 96351 96352 96353 96354 96355 96356 96357 96358 96359 96360 96361 96362 96363 96364 96365 ..... 96386 96387 96388 96389 96390 96391 96392 96393 96394 96395 96396 96397 96398 96399 96400 96401 96402 96403 96404 96405 96406 96407 96408 96409 96410 ..... 96418 96419 96420 96421 96422 96423 96424 96425 96426 96427 96428 96429 96430 96431 96432 96433 96434 96435 96436 96437 96438 96439 96440 96441 96442 96443 96444 96445 96446 96447 96448 96449 96450 96451 96452 96453 96454 ..... 96548 96549 96550 96551 96552 96553 96554 96555 96556 96557 96558 96559 96560 96561 96562 96563 ..... 96681 96682 96683 96684 96685 96686 96687 96688 96689 96690 96691 96692 96693 96694 96695 ..... 96721 96722 96723 96724 96725 96726 96727 96728 96729 96730 96731 96732 96733 96734 96735 96736 96737 96738 96739 96740 96741 96742 96743 96744 96745 96746 96747 96748 96749 96750 96751 96752 96753 96754 96755 96756 96757 96758 ..... 96845 96846 96847 96848 96849 96850 96851 96852 96853 96854 96855 96856 96857 96858 96859 96860 ..... 97238 97239 97240 97241 97242 97243 97244 97245 97246 97247 97248 97249 97250 97251 97252 ..... 99657 99658 99659 99660 99661 99662 99663 99664 99665 99666 99667 99668 99669 99670 99671 99672 ..... 99706 99707 99708 99709 99710 99711 99712 99713 99714 99715 99716 99717 99718 99719 99720 99721 ..... 99723 99724 99725 99726 99727 99728 99729 99730 99731 99732 99733 99734 99735 99736 99737 99738 99739 99740 99741 99742 99743 99744 99745 99746 99747 99748 99749 99750 99751 99752 99753 99754 99755 99756 99757 99758 99759 99760 99761 99762 99763 99764 99765 99766 99767 ...... 101390 101391 101392 101393 101394 101395 101396 101397 101398 101399 101400 101401 101402 101403 101404 101405 101406 101407 101408 ...... 102189 102190 102191 102192 102193 102194 102195 102196 102197 102198 102199 102200 102201 102202 ...... 102207 102208 102209 102210 102211 102212 102213 102214 102215 102216 102217 102218 102219 102220 102221 102222 102223 102224 102225 102226 102227 102228 102229 ...... 104223 104224 104225 104226 104227 104228 104229 104230 104231 104232 104233 104234 104235 104236 104237 104238 104239 104240 104241 104242 ...... 104417 104418 104419 104420 104421 104422 104423 104424 104425 104426 104427 104428 104429 104430 104431 104432 104433 104434 104435 104436 104437 104438 104439 104440 104441 104442 104443 104444 104445 104446 104447 104448 104449 ...... 104625 104626 104627 104628 104629 104630 104631 104632 104633 104634 104635 104636 104637 104638 104639 104640 104641 ...... 105016 105017 105018 105019 105020 105021 105022 105023 105024 105025 105026 105027 105028 105029 105030 ...... 105052 105053 105054 105055 105056 105057 105058 105059 105060 105061 105062 105063 105064 105065 105066 105067 105068 105069 105070 105071 105072 105073 105074 105075 105076 ...... 105202 105203 105204 105205 105206 105207 105208 105209 105210 105211 105212 105213 105214 105215 105216 105217 ...... 105736 105737 105738 105739 105740 105741 105742 105743 105744 105745 105746 105747 105748 105749 105750 ...... 105842 105843 105844 105845 105846 105847 105848 105849 105850 105851 105852 105853 105854 105855 105856 ...... 106235 106236 106237 106238 106239 106240 106241 106242 106243 106244 106245 106246 106247 106248 106249 106250 106251 106252 106253 ...... 106367 106368 106369 106370 106371 106372 106373 106374 106375 106376 106377 106378 106379 106380 106381 106382 106383 106384 106385 106386 106387 106388 106389 106390 106391 106392 106393 106394 ...... 108801 108802 108803 108804 108805 108806 108807 108808 108809 108810 108811 108812 108813 108814 108815 108816 108817 108818 108819 108820 ...... 110113 110114 110115 110116 110117 110118 110119 110120 110121 110122 110123 110124 110125 110126 110127 110128 110129 110130 ...... 110925 110926 110927 110928 110929 110930 110931 110932 110933 110934 110935 110936 110937 110938 110939 ...... 110945 110946 110947 110948 110949 110950 110951 110952 110953 110954 110955 110956 110957 110958 110959 ...... 111090 111091 111092 111093 111094 111095 111096 111097 111098 111099 111100 111101 111102 111103 111104 111105 111106 111107 111108 111109 111110 111111 111112 111113 111114 111115 111116 111117 111118 111119 111120 ...... 111491 111492 111493 111494 111495 111496 111497 111498 111499 111500 111501 111502 111503 111504 111505 111506 111507 111508 111509 111510 111511 111512 111513 111514 111515 111516 111517 ...... 111983 111984 111985 111986 111987 111988 111989 111990 111991 111992 111993 111994 111995 111996 111997 111998 ...... 112305 112306 112307 112308 112309 112310 112311 112312 112313 112314 112315 112316 112317 112318 112319 112320 112321 112322 112323 112324 112325 112326 ...... 112573 112574 112575 112576 112577 112578 112579 112580 112581 112582 112583 112584 112585 112586 112587 112588 112589 112590 112591 112592 ...... 112634 112635 112636 112637 112638 112639 112640 112641 112642 112643 112644 112645 112646 112647 112648 ...... 113007 113008 113009 113010 113011 113012 113013 113014 113015 113016 113017 113018 113019 113020 113021 113022 113023 113024 113025 113026 113027 ...... 113435 113436 113437 113438 113439 113440 113441 113442 113443 113444 113445 113446 113447 113448 113449 113450 113451 113452 113453 113454 113455 113456 113457 113458 113459 113460 113461 113462 113463 113464 113465 113466 113467 113468 113469 113470 113471 113472 113473 113474 113475 113476 113477 113478 113479 113480 ...... 113512 113513 113514 113515 113516 113517 113518 113519 113520 113521 113522 113523 113524 113525 113526 113527 113528 113529 113530 113531 113532 113533 113534 113535 113536 113537 113538 113539 113540 113541 113542 113543 113544 113545 113546 113547 113548 ...... 113580 113581 113582 113583 113584 113585 113586 113587 113588 113589 113590 113591 113592 113593 113594 ...... 113617 113618 113619 113620 113621 113622 113623 113624 113625 113626 113627 113628 113629 113630 113631 ...... 113688 113689 113690 113691 113692 113693 113694 113695 113696 113697 113698 113699 113700 113701 113702 113703 113704 113705 113706 113707 113708 113709 113710 ...... 113726 113727 113728 113729 113730 113731 113732 113733 113734 113735 113736 113737 113738 113739 113740 113741 113742 113743 113744 113745 113746 113747 113748 ...... 113784 113785 113786 113787 113788 113789 113790 113791 113792 113793 113794 113795 113796 113797 113798 ...... 113825 113826 113827 113828 113829 113830 113831 113832 113833 113834 113835 113836 113837 113838 113839 ...... 113844 113845 113846 113847 113848 113849 113850 113851 113852 113853 113854 113855 113856 113857 113858 113859 113860 113861 113862 113863 113864 113865 113866 113867 113868 ...... 113879 113880 113881 113882 113883 113884 113885 113886 113887 113888 113889 113890 113891 113892 113893 113894 113895 113896 113897 113898 113899 113900 113901 113902 113903 113904 113905 113906 113907 113908 113909 113910 113911 113912 113913 113914 113915 113916 113917 113918 113919 113920 ...... 114050 114051 114052 114053 114054 114055 114056 114057 114058 114059 114060 114061 114062 114063 114064 114065 114066 114067 114068 114069 114070 114071 114072 114073 114074 114075 ...... 114551 114552 114553 114554 114555 114556 114557 114558 114559 114560 114561 114562 114563 114564 114565 114566 114567 114568 114569 114570 114571 114572 114573 114574 114575 114576 114577 114578 114579 114580 ...... 115148 115149 115150 115151 115152 115153 115154 115155 115156 115157 115158 115159 115160 115161 ...... 115167 115168 115169 115170 115171 115172 115173 115174 115175 115176 115177 115178 115179 115180 115181 115182 ...... 115201 115202 115203 115204 115205 115206 115207 115208 115209 115210 115211 115212 115213 115214 115215 115216 115217 115218 ...... 115231 115232 115233 115234 115235 115236 115237 115238 115239 115240 115241 115242 115243 115244 ...... 115246 115247 115248 115249 115250 115251 115252 115253 115254 115255 115256 115257 115258 115259 115260 115261 115262 115263 115264 115265 115266 115267 115268 115269 115270 115271 115272 115273 115274 115275 115276 115277 115278 115279 115280 115281 115282 115283 115284 115285 115286 115287 115288 115289 115290 115291 115292 115293 115294 115295 115296 115297 115298 115299 115300 115301 115302 115303 115304 115305 115306 115307 115308 115309 115310 115311 115312 115313 115314 115315 115316 115317 ...... 115329 115330 115331 115332 115333 115334 115335 115336 115337 115338 115339 115340 115341 115342 ...... 115438 115439 115440 115441 115442 115443 115444 115445 115446 115447 115448 115449 115450 115451 115452 ...... 115564 115565 115566 115567 115568 115569 115570 115571 115572 115573 115574 115575 115576 115577 115578 ...... 115630 115631 115632 115633 115634 115635 115636 115637 115638 115639 115640 115641 115642 115643 115644 115645 115646 115647 115648 115649 115650 115651 115652 ...... 115980 115981 115982 115983 115984 115985 115986 115987 115988 115989 115990 115991 115992 115993 115994 115995 ...... 116143 116144 116145 116146 116147 116148 116149 116150 116151 116152 116153 116154 116155 116156 ...... 116408 116409 116410 116411 116412 116413 116414 116415 116416 116417 116418 116419 116420 116421 116422 116423 116424 116425 116426 116427 116428 116429 ...... 116548 116549 116550 116551 116552 116553 116554 116555 116556 116557 116558 116559 116560 116561 116562 ...... 116835 116836 116837 116838 116839 116840 116841 116842 116843 116844 116845 116846 116847 116848 116849 116850 ...... 117036 117037 117038 117039 117040 117041 117042 117043 117044 117045 117046 117047 117048 117049 117050 ...... 117052 117053 117054 117055 117056 117057 117058 117059 117060 117061 117062 117063 117064 117065 117066 117067 117068 117069 117070 117071 117072 117073 ...... 117092 117093 117094 117095 117096 117097 117098 117099 117100 117101 117102 117103 117104 117105 117106 ...... 117160 117161 117162 117163 117164 117165 117166 117167 117168 117169 117170 117171 117172 117173 117174 ...... 117194 117195 117196 117197 117198 117199 117200 117201 117202 117203 117204 117205 117206 117207 117208 ...... 117210 117211 117212 117213 117214 117215 117216 117217 117218 117219 117220 117221 117222 117223 117224 117225 117226 117227 ...... 117234 117235 117236 117237 117238 117239 117240 117241 117242 117243 117244 117245 117246 117247 117248 117249 117250 117251 117252 117253 117254 117255 117256 ...... 117288 117289 117290 117291 117292 117293 117294 117295 117296 117297 117298 117299 117300 117301 117302 117303 117304 117305 117306 117307 117308 117309 117310 117311 117312 117313 117314 117315 117316 117317 117318 117319 117320 117321 117322 117323 117324 117325 117326 117327 117328 117329 117330 117331 117332 117333 117334 117335 117336 117337 117338 117339 117340 117341 117342 117343 117344 ...... 117358 117359 117360 117361 117362 117363 117364 117365 117366 117367 117368 117369 117370 117371 117372 ...... 117404 117405 117406 117407 117408 117409 117410 117411 117412 117413 117414 117415 117416 117417 117418 117419 117420 117421 117422 117423 117424 117425 117426 117427 117428 117429 117430 117431 117432 117433 ...... 118461 118462 118463 118464 118465 118466 118467 118468 118469 118470 118471 118472 118473 118474 118475 ...... 118868 118869 118870 118871 118872 118873 118874 118875 118876 118877 118878 118879 118880 118881 118882 118883 118884 118885 ...... 118981 118982 118983 118984 118985 118986 118987 118988 118989 118990 118991 118992 118993 118994 118995 118996 118997 118998 118999 119000 119001 119002 119003 119004 119005 119006 119007 119008 119009 119010 119011 119012 119013 119014 119015 119016 119017 119018 119019 119020 119021 119022 119023 119024 119025 119026 119027 119028 119029 119030 119031 119032 119033 119034 119035 119036 119037 119038 119039 119040 119041 119042 119043 119044 119045 119046 119047 119048 119049 119050 119051 119052 119053 119054 119055 119056 119057 119058 119059 119060 119061 119062 119063 119064 119065 119066 119067 119068 119069 119070 119071 119072 119073 119074 119075 119076 119077 ...... 119091 119092 119093 119094 119095 119096 119097 119098 119099 119100 119101 119102 119103 119104 119105 119106 119107 119108 119109 119110 119111 119112 119113 119114 119115 119116 119117 119118 119119 119120 119121 119122 119123 119124 119125 ...... 119132 119133 119134 119135 119136 119137 119138 119139 119140 119141 119142 119143 119144 119145 119146 119147 119148 119149 119150 119151 119152 119153 119154 119155 119156 119157 119158 119159 119160 119161 119162 119163 119164 119165 119166 119167 119168 119169 119170 119171 119172 ...... 119887 119888 119889 119890 119891 119892 119893 119894 119895 119896 119897 119898 119899 119900 ...... 119957 119958 119959 119960 119961 119962 119963 119964 119965 119966 119967 119968 119969 119970 ...... 120564 120565 120566 120567 120568 120569 120570 120571 120572 120573 120574 120575 120576 120577 ...... 120641 120642 120643 120644 120645 120646 120647 120648 120649 120650 120651 120652 120653 120654 120655 120656 120657 120658 120659 120660 ...... 120740 120741 120742 120743 120744 120745 120746 120747 120748 120749 120750 120751 120752 120753 120754 120755 120756 ...... 120858 120859 120860 120861 120862 120863 120864 120865 120866 120867 120868 120869 120870 120871 ...... 120939 120940 120941 120942 120943 120944 120945 120946 120947 120948 120949 120950 120951 120952 120953 120954 120955 120956 120957 120958 120959 120960 ...... 121182 121183 121184 121185 121186 121187 121188 121189 121190 121191 121192 121193 121194 121195 ...... 122041 122042 122043 122044 122045 122046 122047 122048 122049 122050 122051 122052 122053 122054 122055 122056 122057 122058 122059 122060 122061 122062 122063 122064 122065 122066 122067 122068 122069 122070 122071 122072 122073 ...... 122075 122076 122077 122078 122079 122080 122081 122082 122083 122084 122085 122086 122087 122088 122089 122090 122091 122092 122093 ...... 122139 122140 122141 122142 122143 122144 122145 122146 122147 122148 122149 122150 122151 122152 122153 ...... 122433 122434 122435 122436 122437 122438 122439 122440 122441 122442 122443 122444 122445 122446 122447 122448 122449 122450 122451 122452 122453 122454 122455 122456 122457 122458 122459 122460 122461 122462 122463 122464 122465 122466 122467 122468 122469 122470 122471 122472 122473 122474 122475 122476 122477 122478 122479 122480 122481 122482 122483 122484 122485 122486 122487 122488 122489 122490 122491 122492 122493 122494 122495 122496 122497 122498 122499 122500 122501 122502 122503 122504 122505 122506 122507 122508 122509 122510 122511 122512 122513 122514 122515 122516 122517 122518 122519 122520 122521 122522 122523 122524 122525 122526 122527 122528 122529 122530 122531 122532 122533 122534 122535 122536 122537 122538 122539 122540 ...... 122610 122611 122612 122613 122614 122615 122616 122617 122618 122619 122620 122621 122622 122623 122624 122625 122626 122627 122628 122629 122630 122631 ...... 122654 122655 122656 122657 122658 122659 122660 122661 122662 122663 122664 122665 122666 122667 ...... 122807 122808 122809 122810 122811 122812 122813 122814 122815 122816 122817 122818 122819 122820 122821 122822 122823 ...... 122841 122842 122843 122844 122845 122846 122847 122848 122849 122850 122851 122852 122853 122854 122855 122856 122857 122858 122859 122860 122861 122862 122863 122864 ...... 123453 123454 123455 123456 123457 123458 123459 123460 123461 123462 123463 123464 123465 123466 ...... 123973 123974 123975 123976 123977 123978 123979 123980 123981 123982 123983 123984 123985 123986 123987 ...... 125841 125842 125843 125844 125845 125846 125847 125848 125849 125850 125851 125852 125853 125854 125855 ...... 127559 127560 127561 127562 127563 127564 127565 127566 127567 127568 127569 127570 127571 127572 127573 ...... 127649 127650 127651 127652 127653 127654 127655 127656 127657 127658 127659 127660 127661 127662 127663 ...... 128783 128784 128785 128786 128787 128788 128789 128790 128791 128792 128793 128794 128795 128796 128797 128798 128799 128800 ...... 128805 128806 128807 128808 128809 128810 128811 128812 128813 128814 128815 128816 128817 128818 128819 ...... 128875 128876 128877 128878 128879 128880 128881 128882 128883 128884 128885 128886 128887 128888 128889 ...... 128947 128948 128949 128950 128951 128952 128953 128954 128955 128956 128957 128958 128959 128960 128961 ...... 129842 129843 129844 129845 129846 129847 129848 129849 129850 129851 129852 129853 129854 129855 129856 129857 129858 129859 129860 129861 129862 129863 129864 129865 129866 129867 129868 129869 ...... 129873 129874 129875 129876 129877 129878 129879 129880 129881 129882 129883 129884 129885 129886 129887 129888 129889 129890 129891 129892 129893 129894 129895 129896 ...... 129898 129899 129900 129901 129902 129903 129904 129905 129906 129907 129908 129909 129910 129911 129912 129913 129914 129915 129916 129917 129918 129919 129920 129921 129922 129923 ...... 130188 130189 130190 130191 130192 130193 130194 130195 130196 130197 130198 130199 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140594 140595 140596 ...... 140714 140715 140716 140717 140718 140719 140720 140721 140722 140723 140724 140725 140726 140727 140728 ...... 141617 141618 141619 141620 141621 141622 141623 141624 141625 141626 141627 141628 141629 141630 141631 141632 141633 ...... 142382 142383 142384 142385 142386 142387 142388 142389 142390 142391 142392 142393 142394 142395 142396 142397 ...... 142405 142406 142407 142408 142409 142410 142411 142412 142413 142414 142415 142416 142417 142418 142419 ...... 142462 142463 142464 142465 142466 142467 142468 142469 142470 142471 142472 142473 142474 142475 142476 ...... 142995 142996 142997 142998 142999 143000 143001 143002 143003 143004 143005 143006 143007 143008 143009 143010 143011 143012 143013 143014 143015 143016 143017 143018 143019 143020 143021 143022 143023 143024 143025 143026 143027 143028 143029 143030 143031 143032 143033 143034 143035 143036 143037 143038 ...... 143864 143865 143866 143867 143868 143869 143870 143871 143872 143873 143874 143875 143876 143877 143878 143879 143880 ...... 144401 144402 144403 144404 144405 144406 144407 144408 144409 144410 144411 144412 144413 144414 ...... 144492 144493 144494 144495 144496 144497 144498 144499 144500 144501 144502 144503 144504 144505 144506 144507 144508 ...... 144522 144523 144524 144525 144526 144527 144528 144529 144530 144531 144532 144533 144534 144535 144536 144537 144538 144539 144540 144541 144542 144543 144544 144545 144546 144547 144548 144549 144550 144551 144552 144553 144554 144555 144556 144557 144558 144559 ...... 144653 144654 144655 144656 144657 144658 144659 144660 144661 144662 144663 144664 144665 144666 144667 144668 144669 144670 144671 144672 ...... 144944 144945 144946 144947 144948 144949 144950 144951 144952 144953 144954 144955 144956 144957 144958 144959 144960 144961 144962 144963 ...... 145709 145710 145711 145712 145713 145714 145715 145716 145717 145718 145719 145720 145721 145722 145723 145724 145725 145726 145727 145728 145729 145730 145731 145732 145733 145734 145735 145736 145737 145738 145739 145740 145741 145742 145743 145744 145745 145746 145747 145748 145749 145750 145751 145752 145753 145754 145755 145756 145757 145758 145759 145760 145761 145762 145763 145764 145765 145766 145767 145768 145769 145770 145771 145772 145773 145774 ...... 148710 148711 148712 148713 148714 148715 148716 148717 148718 148719 148720 148721 148722 148723 148724 148725 148726 148727 148728 148729 148730 148731 148732 148733 148734 148735 148736 148737 148738 148739 148740 148741 148742 148743 148744 148745 ...... 148757 148758 148759 148760 148761 148762 148763 148764 148765 148766 148767 148768 148769 148770 148771 ...... 150232 150233 150234 150235 150236 150237 150238 150239 150240 150241 150242 150243 150244 150245 150246 ...... 150290 150291 150292 150293 150294 150295 150296 150297 150298 150299 150300 150301 150302 150303 150304 ...... 150311 150312 150313 150314 150315 150316 150317 150318 150319 150320 150321 150322 150323 150324 150325 150326 150327 150328 150329 150330 ...... 150357 150358 150359 150360 150361 150362 150363 150364 150365 150366 150367 150368 150369 150370 150371 ...... 150575 150576 150577 150578 150579 150580 150581 150582 150583 150584 150585 150586 150587 150588 150589 150590 150591 150592 ...... 157502 157503 157504 157505 157506 157507 157508 157509 157510 157511 157512 157513 157514 157515 157516 157517 ...... 165591 165592 165593 165594 165595 165596 165597 165598 165599 165600 165601 165602 165603 165604 165605 165606 165607 165608 165609 165610 165611 165612 ...... 166893 166894 166895 166896 166897 166898 166899 166900 166901 166902 166903 166904 166905 166906 166907 166908 166909 166910 166911 166912 166913 166914 166915 166916 166917 ...... 168589 168590 168591 168592 168593 168594 168595 168596 168597 168598 168599 168600 168601 168602 168603 168604 ...... 168665 168666 168667 168668 168669 168670 168671 168672 168673 168674 168675 168676 168677 168678 168679 168680 168681 168682 ...... 168941 168942 168943 168944 168945 168946 168947 168948 168949 168950 168951 168952 168953 168954 168955 ...... 168958 168959 168960 168961 168962 168963 168964 168965 168966 168967 168968 168969 168970 168971 168972 ...... 170356 170357 170358 170359 170360 170361 170362 170363 170364 170365 170366 170367 170368 170369 170370 170371 170372 170373 ...... 174215 174216 174217 174218 174219 174220 174221 174222 174223 174224 174225 174226 174227 174228 174229 174230 174231 174232 174233 ...... 175930 175931 175932 175933 175934 175935 175936 175937 175938 175939 175940 175941 175942 175943 175944 175945 175946 ...... 178780 178781 178782 178783 178784 178785 178786 178787 178788 178789 178790 178791 178792 178793 178794 178795 178796 178797 178798 178799 ...... 184643 184644 184645 184646 184647 184648 184649 184650 184651 184652 184653 184654 184655 184656 184657 184658 184659 184660 184661 184662 ...... 184753 184754 184755 184756 184757 184758 184759 184760 184761 184762 184763 184764 184765 184766 184767 ...... 184903 184904 184905 184906 184907 184908 184909 184910 184911 184912 184913 184914 184915 184916 184917 184918 184919 ...... 185204 185205 185206 185207 185208 185209 185210 185211 185212 185213 185214 185215 185216 185217 185218 ...... 185232 185233 185234 185235 185236 185237 185238 185239 185240 185241 185242 185243 185244 185245 185246 185247 185248 185249 185250 185251 185252 185253 185254 185255 185256 185257 185258 185259 185260 185261 185262 185263 185264 185265 185266 185267 185268 185269 185270 185271 185272 185273 185274 ...... 185284 185285 185286 185287 185288 185289 185290 185291 185292 185293 185294 185295 185296 185297 185298 ...... 185299 185300 185301 185302 185303 185304 185305 185306 185307 185308 185309 185310 185311 185312 185313 ...... 185466 185467 185468 185469 185470 185471 185472 185473 185474 185475 185476 185477 185478 185479 185480 185481 185482 185483 185484 185485 185486 185487 185488 185489 185490 185491 185492 185493 185494 185495 185496 185497 ...... 190780 190781 190782 190783 190784 190785 190786 190787 190788 190789 190790 190791 190792 190793 190794 190795 190796 190797 190798 ...... 191087 191088 191089 191090 191091 191092 191093 191094 191095 191096 191097 191098 191099 191100 191101 ...... 191875 191876 191877 191878 191879 191880 191881 191882 191883 191884 191885 191886 191887 191888 191889 191890 ...... 191925 191926 191927 191928 191929 191930 191931 191932 191933 191934 191935 191936 191937 191938 191939 191940 ...... 198525 198526 198527 198528 198529 198530 198531 198532 198533 198534 198535 198536 198537 198538 198539 198540 ...... 198662 198663 198664 198665 198666 198667 198668 198669 198670 198671 198672 198673 198674 198675 198676 198677 ...... 200251 200252 200253 200254 200255 200256 200257 200258 200259 200260 200261 200262 200263 200264 200265 200266 200267 200268 200269 200270 200271 200272 200273 200274 200275 200276 200277 200278 200279 200280 200281 200282 200283 200284 200285 ...... 200323 200324 200325 200326 200327 200328 200329 200330 200331 200332 200333 200334 200335 200336 200337 ...... 200525 200526 200527 200528 200529 200530 200531 200532 200533 200534 200535 200536 200537 200538 200539 200540 ...... 204126 204127 204128 204129 204130 204131 204132 204133 204134 204135 204136 204137 204138 204139 204140 204141 204142 204143 204144 204145 204146 204147 204148 204149 204150 204151 204152 204153 204154 204155 204156 204157 204158 204159 204160 204161 204162 204163 204164 204165 204166 204167 204168 204169 204170 204171 204172 204173 204174 204175 204176 204177 204178 204179 204180 204181 204182 204183 204184 204185 204186 204187 204188 204189 204190 204191 204192 204193 204194 204195 204196 204197 204198 204199 204200 204201 204202 204203 204204 204205 204206 204207 204208 204209 204210 204211 204212 204213 204214 204215 204216 204217 204218 204219 204220 204221 204222 204223 204224 204225 204226 204227 204228 204229 204230 204231 204232 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/****************************************************************************** ** This file is an amalgamation of many separate C source files from SQLite ** version 3.20.0. By combining all the individual C code files into this ** single large file, the entire code can be compiled as a single translation ** unit. This allows many compilers to do optimizations that would not be ** possible if the files were compiled separately. Performance improvements ** of 5% or more are commonly seen when SQLite is compiled as a single ** translation unit. ** ** This file is all you need to compile SQLite. To use SQLite in other ................................................................................ ** separate file. This file contains only code for the core SQLite library. */ #define SQLITE_CORE 1 #define SQLITE_AMALGAMATION 1 #ifndef SQLITE_PRIVATE # define SQLITE_PRIVATE static #endif /************** Begin file ctime.c *******************************************/ /* ** 2010 February 23 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** ** This file implements routines used to report what compile-time options ** SQLite was built with. */ #ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS /* ** Include the configuration header output by 'configure' if we're using the ** autoconf-based build */ #if defined(_HAVE_SQLITE_CONFIG_H) && !defined(SQLITECONFIG_H) #include "config.h" #define SQLITECONFIG_H 1 #endif /* These macros are provided to "stringify" the value of the define ** for those options in which the value is meaningful. */ #define CTIMEOPT_VAL_(opt) #opt #define CTIMEOPT_VAL(opt) CTIMEOPT_VAL_(opt) /* ** An array of names of all compile-time options. This array should ** be sorted A-Z. ** ** This array looks large, but in a typical installation actually uses ** only a handful of compile-time options, so most times this array is usually ** rather short and uses little memory space. */ static const char * const sqlite3azCompileOpt[] = { /* ** BEGIN CODE GENERATED BY tool/mkctime.tcl */ #if SQLITE_32BIT_ROWID "32BIT_ROWID", #endif #if SQLITE_4_BYTE_ALIGNED_MALLOC "4_BYTE_ALIGNED_MALLOC", #endif #if SQLITE_64BIT_STATS "64BIT_STATS", #endif #if SQLITE_ALLOW_COVERING_INDEX_SCAN "ALLOW_COVERING_INDEX_SCAN", #endif #if SQLITE_ALLOW_URI_AUTHORITY "ALLOW_URI_AUTHORITY", #endif #ifdef SQLITE_BITMASK_TYPE "BITMASK_TYPE=" CTIMEOPT_VAL(SQLITE_BITMASK_TYPE), #endif #if SQLITE_BUG_COMPATIBLE_20160819 "BUG_COMPATIBLE_20160819", #endif #if SQLITE_CASE_SENSITIVE_LIKE "CASE_SENSITIVE_LIKE", #endif #if SQLITE_CHECK_PAGES "CHECK_PAGES", #endif #if defined(__clang__) && defined(__clang_major__) "COMPILER=clang-" CTIMEOPT_VAL(__clang_major__) "." CTIMEOPT_VAL(__clang_minor__) "." CTIMEOPT_VAL(__clang_patchlevel__), #elif defined(_MSC_VER) "COMPILER=msvc-" CTIMEOPT_VAL(_MSC_VER), #elif defined(__GNUC__) && defined(__VERSION__) "COMPILER=gcc-" __VERSION__, #endif #if SQLITE_COVERAGE_TEST "COVERAGE_TEST", #endif #if SQLITE_DEBUG "DEBUG", #endif #if SQLITE_DEFAULT_AUTOMATIC_INDEX "DEFAULT_AUTOMATIC_INDEX", #endif #if SQLITE_DEFAULT_AUTOVACUUM "DEFAULT_AUTOVACUUM", #endif #ifdef SQLITE_DEFAULT_CACHE_SIZE "DEFAULT_CACHE_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_CACHE_SIZE), #endif #if SQLITE_DEFAULT_CKPTFULLFSYNC "DEFAULT_CKPTFULLFSYNC", #endif #ifdef SQLITE_DEFAULT_FILE_FORMAT "DEFAULT_FILE_FORMAT=" CTIMEOPT_VAL(SQLITE_DEFAULT_FILE_FORMAT), #endif #ifdef SQLITE_DEFAULT_FILE_PERMISSIONS "DEFAULT_FILE_PERMISSIONS=" CTIMEOPT_VAL(SQLITE_DEFAULT_FILE_PERMISSIONS), #endif #if SQLITE_DEFAULT_FOREIGN_KEYS "DEFAULT_FOREIGN_KEYS", #endif #ifdef SQLITE_DEFAULT_JOURNAL_SIZE_LIMIT "DEFAULT_JOURNAL_SIZE_LIMIT=" CTIMEOPT_VAL(SQLITE_DEFAULT_JOURNAL_SIZE_LIMIT), #endif #ifdef SQLITE_DEFAULT_LOCKING_MODE "DEFAULT_LOCKING_MODE=" CTIMEOPT_VAL(SQLITE_DEFAULT_LOCKING_MODE), #endif #ifdef SQLITE_DEFAULT_LOOKASIDE "DEFAULT_LOOKASIDE=" CTIMEOPT_VAL(SQLITE_DEFAULT_LOOKASIDE), #endif #if SQLITE_DEFAULT_MEMSTATUS "DEFAULT_MEMSTATUS", #endif #ifdef SQLITE_DEFAULT_MMAP_SIZE "DEFAULT_MMAP_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_MMAP_SIZE), #endif #ifdef SQLITE_DEFAULT_PAGE_SIZE "DEFAULT_PAGE_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_PAGE_SIZE), #endif #ifdef SQLITE_DEFAULT_PCACHE_INITSZ "DEFAULT_PCACHE_INITSZ=" CTIMEOPT_VAL(SQLITE_DEFAULT_PCACHE_INITSZ), #endif #ifdef SQLITE_DEFAULT_PROXYDIR_PERMISSIONS "DEFAULT_PROXYDIR_PERMISSIONS=" CTIMEOPT_VAL(SQLITE_DEFAULT_PROXYDIR_PERMISSIONS), #endif #if SQLITE_DEFAULT_RECURSIVE_TRIGGERS "DEFAULT_RECURSIVE_TRIGGERS", #endif #ifdef SQLITE_DEFAULT_ROWEST "DEFAULT_ROWEST=" CTIMEOPT_VAL(SQLITE_DEFAULT_ROWEST), #endif #ifdef SQLITE_DEFAULT_SECTOR_SIZE "DEFAULT_SECTOR_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_SECTOR_SIZE), #endif #ifdef SQLITE_DEFAULT_SYNCHRONOUS "DEFAULT_SYNCHRONOUS=" CTIMEOPT_VAL(SQLITE_DEFAULT_SYNCHRONOUS), #endif #ifdef SQLITE_DEFAULT_WAL_AUTOCHECKPOINT "DEFAULT_WAL_AUTOCHECKPOINT=" CTIMEOPT_VAL(SQLITE_DEFAULT_WAL_AUTOCHECKPOINT), #endif #ifdef SQLITE_DEFAULT_WAL_SYNCHRONOUS "DEFAULT_WAL_SYNCHRONOUS=" CTIMEOPT_VAL(SQLITE_DEFAULT_WAL_SYNCHRONOUS), #endif #ifdef SQLITE_DEFAULT_WORKER_THREADS "DEFAULT_WORKER_THREADS=" CTIMEOPT_VAL(SQLITE_DEFAULT_WORKER_THREADS), #endif #if SQLITE_DIRECT_OVERFLOW_READ "DIRECT_OVERFLOW_READ", #endif #if SQLITE_DISABLE_DIRSYNC "DISABLE_DIRSYNC", #endif #if SQLITE_DISABLE_FTS3_UNICODE "DISABLE_FTS3_UNICODE", #endif #if SQLITE_DISABLE_FTS4_DEFERRED "DISABLE_FTS4_DEFERRED", #endif #if SQLITE_DISABLE_INTRINSIC "DISABLE_INTRINSIC", #endif #if SQLITE_DISABLE_LFS "DISABLE_LFS", #endif #if SQLITE_DISABLE_PAGECACHE_OVERFLOW_STATS "DISABLE_PAGECACHE_OVERFLOW_STATS", #endif #if SQLITE_DISABLE_SKIPAHEAD_DISTINCT "DISABLE_SKIPAHEAD_DISTINCT", #endif #ifdef SQLITE_ENABLE_8_3_NAMES "ENABLE_8_3_NAMES=" CTIMEOPT_VAL(SQLITE_ENABLE_8_3_NAMES), #endif #if SQLITE_ENABLE_API_ARMOR "ENABLE_API_ARMOR", #endif #if SQLITE_ENABLE_ATOMIC_WRITE "ENABLE_ATOMIC_WRITE", #endif #if SQLITE_ENABLE_CEROD "ENABLE_CEROD", #endif #if SQLITE_ENABLE_COLUMN_METADATA "ENABLE_COLUMN_METADATA", #endif #if SQLITE_ENABLE_COLUMN_USED_MASK "ENABLE_COLUMN_USED_MASK", #endif #if SQLITE_ENABLE_COSTMULT "ENABLE_COSTMULT", #endif #if SQLITE_ENABLE_CURSOR_HINTS "ENABLE_CURSOR_HINTS", #endif #if SQLITE_ENABLE_DBSTAT_VTAB "ENABLE_DBSTAT_VTAB", #endif #if SQLITE_ENABLE_EXPENSIVE_ASSERT "ENABLE_EXPENSIVE_ASSERT", #endif #if SQLITE_ENABLE_FTS1 "ENABLE_FTS1", #endif #if SQLITE_ENABLE_FTS2 "ENABLE_FTS2", #endif #if SQLITE_ENABLE_FTS3 "ENABLE_FTS3", #endif #if SQLITE_ENABLE_FTS3_PARENTHESIS "ENABLE_FTS3_PARENTHESIS", #endif #if SQLITE_ENABLE_FTS3_TOKENIZER "ENABLE_FTS3_TOKENIZER", #endif #if SQLITE_ENABLE_FTS4 "ENABLE_FTS4", #endif #if SQLITE_ENABLE_FTS5 "ENABLE_FTS5", #endif #if SQLITE_ENABLE_HIDDEN_COLUMNS "ENABLE_HIDDEN_COLUMNS", #endif #if SQLITE_ENABLE_ICU "ENABLE_ICU", #endif #if SQLITE_ENABLE_IOTRACE "ENABLE_IOTRACE", #endif #if SQLITE_ENABLE_JSON1 "ENABLE_JSON1", #endif #if SQLITE_ENABLE_LOAD_EXTENSION "ENABLE_LOAD_EXTENSION", #endif #ifdef SQLITE_ENABLE_LOCKING_STYLE "ENABLE_LOCKING_STYLE=" CTIMEOPT_VAL(SQLITE_ENABLE_LOCKING_STYLE), #endif #if SQLITE_ENABLE_MEMORY_MANAGEMENT "ENABLE_MEMORY_MANAGEMENT", #endif #if SQLITE_ENABLE_MEMSYS3 "ENABLE_MEMSYS3", #endif #if SQLITE_ENABLE_MEMSYS5 "ENABLE_MEMSYS5", #endif #if SQLITE_ENABLE_MULTIPLEX "ENABLE_MULTIPLEX", #endif #if SQLITE_ENABLE_NULL_TRIM "ENABLE_NULL_TRIM", #endif #if SQLITE_ENABLE_OVERSIZE_CELL_CHECK "ENABLE_OVERSIZE_CELL_CHECK", #endif #if SQLITE_ENABLE_PREUPDATE_HOOK "ENABLE_PREUPDATE_HOOK", #endif #if SQLITE_ENABLE_QPSG "ENABLE_QPSG", #endif #if SQLITE_ENABLE_RBU "ENABLE_RBU", #endif #if SQLITE_ENABLE_RTREE "ENABLE_RTREE", #endif #if SQLITE_ENABLE_SELECTTRACE "ENABLE_SELECTTRACE", #endif #if SQLITE_ENABLE_SESSION "ENABLE_SESSION", #endif #if SQLITE_ENABLE_SNAPSHOT "ENABLE_SNAPSHOT", #endif #if SQLITE_ENABLE_SQLLOG "ENABLE_SQLLOG", #endif #if defined(SQLITE_ENABLE_STAT4) "ENABLE_STAT4", #elif defined(SQLITE_ENABLE_STAT3) "ENABLE_STAT3", #endif #if SQLITE_ENABLE_STMTVTAB "ENABLE_STMTVTAB", #endif #if SQLITE_ENABLE_STMT_SCANSTATUS "ENABLE_STMT_SCANSTATUS", #endif #if SQLITE_ENABLE_UNKNOWN_SQL_FUNCTION "ENABLE_UNKNOWN_SQL_FUNCTION", #endif #if SQLITE_ENABLE_UNLOCK_NOTIFY "ENABLE_UNLOCK_NOTIFY", #endif #if SQLITE_ENABLE_UPDATE_DELETE_LIMIT "ENABLE_UPDATE_DELETE_LIMIT", #endif #if SQLITE_ENABLE_URI_00_ERROR "ENABLE_URI_00_ERROR", #endif #if SQLITE_ENABLE_VFSTRACE "ENABLE_VFSTRACE", #endif #if SQLITE_ENABLE_WHERETRACE "ENABLE_WHERETRACE", #endif #if SQLITE_ENABLE_ZIPVFS "ENABLE_ZIPVFS", #endif #if SQLITE_EXPLAIN_ESTIMATED_ROWS "EXPLAIN_ESTIMATED_ROWS", #endif #if SQLITE_EXTRA_IFNULLROW "EXTRA_IFNULLROW", #endif #ifdef SQLITE_EXTRA_INIT "EXTRA_INIT=" CTIMEOPT_VAL(SQLITE_EXTRA_INIT), #endif #ifdef SQLITE_EXTRA_SHUTDOWN "EXTRA_SHUTDOWN=" CTIMEOPT_VAL(SQLITE_EXTRA_SHUTDOWN), #endif #ifdef SQLITE_FTS3_MAX_EXPR_DEPTH "FTS3_MAX_EXPR_DEPTH=" CTIMEOPT_VAL(SQLITE_FTS3_MAX_EXPR_DEPTH), #endif #if SQLITE_FTS5_ENABLE_TEST_MI "FTS5_ENABLE_TEST_MI", #endif #if SQLITE_FTS5_NO_WITHOUT_ROWID "FTS5_NO_WITHOUT_ROWID", #endif #if SQLITE_HAS_CODEC "HAS_CODEC", #endif #if HAVE_ISNAN || SQLITE_HAVE_ISNAN "HAVE_ISNAN", #endif #if SQLITE_HOMEGROWN_RECURSIVE_MUTEX "HOMEGROWN_RECURSIVE_MUTEX", #endif #if SQLITE_IGNORE_AFP_LOCK_ERRORS "IGNORE_AFP_LOCK_ERRORS", #endif #if SQLITE_IGNORE_FLOCK_LOCK_ERRORS "IGNORE_FLOCK_LOCK_ERRORS", #endif #if SQLITE_INLINE_MEMCPY "INLINE_MEMCPY", #endif #if SQLITE_INT64_TYPE "INT64_TYPE", #endif #ifdef SQLITE_INTEGRITY_CHECK_ERROR_MAX "INTEGRITY_CHECK_ERROR_MAX=" CTIMEOPT_VAL(SQLITE_INTEGRITY_CHECK_ERROR_MAX), #endif #if SQLITE_LIKE_DOESNT_MATCH_BLOBS "LIKE_DOESNT_MATCH_BLOBS", #endif #if SQLITE_LOCK_TRACE "LOCK_TRACE", #endif #if SQLITE_LOG_CACHE_SPILL "LOG_CACHE_SPILL", #endif #ifdef SQLITE_MALLOC_SOFT_LIMIT "MALLOC_SOFT_LIMIT=" CTIMEOPT_VAL(SQLITE_MALLOC_SOFT_LIMIT), #endif #ifdef SQLITE_MAX_ATTACHED "MAX_ATTACHED=" CTIMEOPT_VAL(SQLITE_MAX_ATTACHED), #endif #ifdef SQLITE_MAX_COLUMN "MAX_COLUMN=" CTIMEOPT_VAL(SQLITE_MAX_COLUMN), #endif #ifdef SQLITE_MAX_COMPOUND_SELECT "MAX_COMPOUND_SELECT=" CTIMEOPT_VAL(SQLITE_MAX_COMPOUND_SELECT), #endif #ifdef SQLITE_MAX_DEFAULT_PAGE_SIZE "MAX_DEFAULT_PAGE_SIZE=" CTIMEOPT_VAL(SQLITE_MAX_DEFAULT_PAGE_SIZE), #endif #ifdef SQLITE_MAX_EXPR_DEPTH "MAX_EXPR_DEPTH=" CTIMEOPT_VAL(SQLITE_MAX_EXPR_DEPTH), #endif #ifdef SQLITE_MAX_FUNCTION_ARG "MAX_FUNCTION_ARG=" CTIMEOPT_VAL(SQLITE_MAX_FUNCTION_ARG), #endif #ifdef SQLITE_MAX_LENGTH "MAX_LENGTH=" CTIMEOPT_VAL(SQLITE_MAX_LENGTH), #endif #ifdef SQLITE_MAX_LIKE_PATTERN_LENGTH "MAX_LIKE_PATTERN_LENGTH=" CTIMEOPT_VAL(SQLITE_MAX_LIKE_PATTERN_LENGTH), #endif #ifdef SQLITE_MAX_MEMORY "MAX_MEMORY=" CTIMEOPT_VAL(SQLITE_MAX_MEMORY), #endif #ifdef SQLITE_MAX_MMAP_SIZE "MAX_MMAP_SIZE=" CTIMEOPT_VAL(SQLITE_MAX_MMAP_SIZE), #endif #ifdef SQLITE_MAX_MMAP_SIZE_ "MAX_MMAP_SIZE_=" CTIMEOPT_VAL(SQLITE_MAX_MMAP_SIZE_), #endif #ifdef SQLITE_MAX_PAGE_COUNT "MAX_PAGE_COUNT=" CTIMEOPT_VAL(SQLITE_MAX_PAGE_COUNT), #endif #ifdef SQLITE_MAX_PAGE_SIZE "MAX_PAGE_SIZE=" CTIMEOPT_VAL(SQLITE_MAX_PAGE_SIZE), #endif #ifdef SQLITE_MAX_SCHEMA_RETRY "MAX_SCHEMA_RETRY=" CTIMEOPT_VAL(SQLITE_MAX_SCHEMA_RETRY), #endif #ifdef SQLITE_MAX_SQL_LENGTH "MAX_SQL_LENGTH=" CTIMEOPT_VAL(SQLITE_MAX_SQL_LENGTH), #endif #ifdef SQLITE_MAX_TRIGGER_DEPTH "MAX_TRIGGER_DEPTH=" CTIMEOPT_VAL(SQLITE_MAX_TRIGGER_DEPTH), #endif #ifdef SQLITE_MAX_VARIABLE_NUMBER "MAX_VARIABLE_NUMBER=" CTIMEOPT_VAL(SQLITE_MAX_VARIABLE_NUMBER), #endif #ifdef SQLITE_MAX_VDBE_OP "MAX_VDBE_OP=" CTIMEOPT_VAL(SQLITE_MAX_VDBE_OP), #endif #ifdef SQLITE_MAX_WORKER_THREADS "MAX_WORKER_THREADS=" CTIMEOPT_VAL(SQLITE_MAX_WORKER_THREADS), #endif #if SQLITE_MEMDEBUG "MEMDEBUG", #endif #if SQLITE_MIXED_ENDIAN_64BIT_FLOAT "MIXED_ENDIAN_64BIT_FLOAT", #endif #if SQLITE_MMAP_READWRITE "MMAP_READWRITE", #endif #if SQLITE_MUTEX_NOOP "MUTEX_NOOP", #endif #if SQLITE_MUTEX_NREF "MUTEX_NREF", #endif #if SQLITE_MUTEX_OMIT "MUTEX_OMIT", #endif #if SQLITE_MUTEX_PTHREADS "MUTEX_PTHREADS", #endif #if SQLITE_MUTEX_W32 "MUTEX_W32", #endif #if SQLITE_NEED_ERR_NAME "NEED_ERR_NAME", #endif #if SQLITE_NOINLINE "NOINLINE", #endif #if SQLITE_NO_SYNC "NO_SYNC", #endif #if SQLITE_OMIT_ALTERTABLE "OMIT_ALTERTABLE", #endif #if SQLITE_OMIT_ANALYZE "OMIT_ANALYZE", #endif #if SQLITE_OMIT_ATTACH "OMIT_ATTACH", #endif #if SQLITE_OMIT_AUTHORIZATION "OMIT_AUTHORIZATION", #endif #if SQLITE_OMIT_AUTOINCREMENT "OMIT_AUTOINCREMENT", #endif #if SQLITE_OMIT_AUTOINIT "OMIT_AUTOINIT", #endif #if SQLITE_OMIT_AUTOMATIC_INDEX "OMIT_AUTOMATIC_INDEX", #endif #if SQLITE_OMIT_AUTORESET "OMIT_AUTORESET", #endif #if SQLITE_OMIT_AUTOVACUUM "OMIT_AUTOVACUUM", #endif #if SQLITE_OMIT_BETWEEN_OPTIMIZATION "OMIT_BETWEEN_OPTIMIZATION", #endif #if SQLITE_OMIT_BLOB_LITERAL "OMIT_BLOB_LITERAL", #endif #if SQLITE_OMIT_BTREECOUNT "OMIT_BTREECOUNT", #endif #if SQLITE_OMIT_CAST "OMIT_CAST", #endif #if SQLITE_OMIT_CHECK "OMIT_CHECK", #endif #if SQLITE_OMIT_COMPLETE "OMIT_COMPLETE", #endif #if SQLITE_OMIT_COMPOUND_SELECT "OMIT_COMPOUND_SELECT", #endif #if SQLITE_OMIT_CONFLICT_CLAUSE "OMIT_CONFLICT_CLAUSE", #endif #if SQLITE_OMIT_CTE "OMIT_CTE", #endif #if SQLITE_OMIT_DATETIME_FUNCS "OMIT_DATETIME_FUNCS", #endif #if SQLITE_OMIT_DECLTYPE "OMIT_DECLTYPE", #endif #if SQLITE_OMIT_DEPRECATED "OMIT_DEPRECATED", #endif #if SQLITE_OMIT_DISKIO "OMIT_DISKIO", #endif #if SQLITE_OMIT_EXPLAIN "OMIT_EXPLAIN", #endif #if SQLITE_OMIT_FLAG_PRAGMAS "OMIT_FLAG_PRAGMAS", #endif #if SQLITE_OMIT_FLOATING_POINT "OMIT_FLOATING_POINT", #endif #if SQLITE_OMIT_FOREIGN_KEY "OMIT_FOREIGN_KEY", #endif #if SQLITE_OMIT_GET_TABLE "OMIT_GET_TABLE", #endif #if SQLITE_OMIT_HEX_INTEGER "OMIT_HEX_INTEGER", #endif #if SQLITE_OMIT_INCRBLOB "OMIT_INCRBLOB", #endif #if SQLITE_OMIT_INTEGRITY_CHECK "OMIT_INTEGRITY_CHECK", #endif #if SQLITE_OMIT_LIKE_OPTIMIZATION "OMIT_LIKE_OPTIMIZATION", #endif #if SQLITE_OMIT_LOAD_EXTENSION "OMIT_LOAD_EXTENSION", #endif #if SQLITE_OMIT_LOCALTIME "OMIT_LOCALTIME", #endif #if SQLITE_OMIT_LOOKASIDE "OMIT_LOOKASIDE", #endif #if SQLITE_OMIT_MEMORYDB "OMIT_MEMORYDB", #endif #if SQLITE_OMIT_OR_OPTIMIZATION "OMIT_OR_OPTIMIZATION", #endif #if SQLITE_OMIT_PAGER_PRAGMAS "OMIT_PAGER_PRAGMAS", #endif #if SQLITE_OMIT_PARSER_TRACE "OMIT_PARSER_TRACE", #endif #if SQLITE_OMIT_POPEN "OMIT_POPEN", #endif #if SQLITE_OMIT_PRAGMA "OMIT_PRAGMA", #endif #if SQLITE_OMIT_PROGRESS_CALLBACK "OMIT_PROGRESS_CALLBACK", #endif #if SQLITE_OMIT_QUICKBALANCE "OMIT_QUICKBALANCE", #endif #if SQLITE_OMIT_REINDEX "OMIT_REINDEX", #endif #if SQLITE_OMIT_SCHEMA_PRAGMAS "OMIT_SCHEMA_PRAGMAS", #endif #if SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS "OMIT_SCHEMA_VERSION_PRAGMAS", #endif #if SQLITE_OMIT_SHARED_CACHE "OMIT_SHARED_CACHE", #endif #if SQLITE_OMIT_SHUTDOWN_DIRECTORIES "OMIT_SHUTDOWN_DIRECTORIES", #endif #if SQLITE_OMIT_SUBQUERY "OMIT_SUBQUERY", #endif #if SQLITE_OMIT_TCL_VARIABLE "OMIT_TCL_VARIABLE", #endif #if SQLITE_OMIT_TEMPDB "OMIT_TEMPDB", #endif #if SQLITE_OMIT_TEST_CONTROL "OMIT_TEST_CONTROL", #endif #if SQLITE_OMIT_TRACE "OMIT_TRACE", #endif #if SQLITE_OMIT_TRIGGER "OMIT_TRIGGER", #endif #if SQLITE_OMIT_TRUNCATE_OPTIMIZATION "OMIT_TRUNCATE_OPTIMIZATION", #endif #if SQLITE_OMIT_UTF16 "OMIT_UTF16", #endif #if SQLITE_OMIT_VACUUM "OMIT_VACUUM", #endif #if SQLITE_OMIT_VIEW "OMIT_VIEW", #endif #if SQLITE_OMIT_VIRTUALTABLE "OMIT_VIRTUALTABLE", #endif #if SQLITE_OMIT_WAL "OMIT_WAL", #endif #if SQLITE_OMIT_WSD "OMIT_WSD", #endif #if SQLITE_OMIT_XFER_OPT "OMIT_XFER_OPT", #endif #if SQLITE_PCACHE_SEPARATE_HEADER "PCACHE_SEPARATE_HEADER", #endif #if SQLITE_PERFORMANCE_TRACE "PERFORMANCE_TRACE", #endif #if SQLITE_POWERSAFE_OVERWRITE "POWERSAFE_OVERWRITE", #endif #if SQLITE_PREFER_PROXY_LOCKING "PREFER_PROXY_LOCKING", #endif #if SQLITE_PROXY_DEBUG "PROXY_DEBUG", #endif #if SQLITE_REVERSE_UNORDERED_SELECTS "REVERSE_UNORDERED_SELECTS", #endif #if SQLITE_RTREE_INT_ONLY "RTREE_INT_ONLY", #endif #if SQLITE_SECURE_DELETE "SECURE_DELETE", #endif #if SQLITE_SMALL_STACK "SMALL_STACK", #endif #ifdef SQLITE_SORTER_PMASZ "SORTER_PMASZ=" CTIMEOPT_VAL(SQLITE_SORTER_PMASZ), #endif #if SQLITE_SOUNDEX "SOUNDEX", #endif #ifdef SQLITE_STAT4_SAMPLES "STAT4_SAMPLES=" CTIMEOPT_VAL(SQLITE_STAT4_SAMPLES), #endif #ifdef SQLITE_STMTJRNL_SPILL "STMTJRNL_SPILL=" CTIMEOPT_VAL(SQLITE_STMTJRNL_SPILL), #endif #if SQLITE_SUBSTR_COMPATIBILITY "SUBSTR_COMPATIBILITY", #endif #if SQLITE_SYSTEM_MALLOC "SYSTEM_MALLOC", #endif #if SQLITE_TCL "TCL", #endif #ifdef SQLITE_TEMP_STORE "TEMP_STORE=" CTIMEOPT_VAL(SQLITE_TEMP_STORE), #endif #if SQLITE_TEST "TEST", #endif #if defined(SQLITE_THREADSAFE) "THREADSAFE=" CTIMEOPT_VAL(SQLITE_THREADSAFE), #elif defined(THREADSAFE) "THREADSAFE=" CTIMEOPT_VAL(THREADSAFE), #else "THREADSAFE=1", #endif #if SQLITE_UNLINK_AFTER_CLOSE "UNLINK_AFTER_CLOSE", #endif #if SQLITE_UNTESTABLE "UNTESTABLE", #endif #if SQLITE_USER_AUTHENTICATION "USER_AUTHENTICATION", #endif #if SQLITE_USE_ALLOCA "USE_ALLOCA", #endif #if SQLITE_USE_FCNTL_TRACE "USE_FCNTL_TRACE", #endif #if SQLITE_USE_URI "USE_URI", #endif #if SQLITE_VDBE_COVERAGE "VDBE_COVERAGE", #endif #if SQLITE_WIN32_MALLOC "WIN32_MALLOC", #endif #if SQLITE_ZERO_MALLOC "ZERO_MALLOC", #endif /* ** END CODE GENERATED BY tool/mkctime.tcl */ }; SQLITE_PRIVATE const char **sqlite3CompileOptions(int *pnOpt){ *pnOpt = sizeof(sqlite3azCompileOpt) / sizeof(sqlite3azCompileOpt[0]); return (const char**)sqlite3azCompileOpt; } #endif /* SQLITE_OMIT_COMPILEOPTION_DIAGS */ /************** End of ctime.c ***********************************************/ /************** Begin file sqliteInt.h ***************************************/ /* ** 2001 September 15 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ** ................................................................................ /* The public SQLite interface. The _FILE_OFFSET_BITS macro must appear ** first in QNX. Also, the _USE_32BIT_TIME_T macro must appear first for ** MinGW. */ /************** Include sqlite3.h in the middle of sqliteInt.h ***************/ /************** Begin file sqlite3.h *****************************************/ /* ** 2001-09-15 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ................................................................................ ** string contains the date and time of the check-in (UTC) and a SHA1 ** or SHA3-256 hash of the entire source tree. ** ** See also: [sqlite3_libversion()], ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ #define SQLITE_VERSION "3.20.0" #define SQLITE_VERSION_NUMBER 3020000 #define SQLITE_SOURCE_ID "2017-08-01 13:24:15 9501e22dfeebdcefa783575e47c60b514d7c2e0cad73b2a496c0bc4b680900a8" /* ** CAPI3REF: Run-Time Library Version Numbers ** KEYWORDS: sqlite3_version sqlite3_sourceid ** ** These interfaces provide the same information as the [SQLITE_VERSION], ** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros ................................................................................ ** ** New error codes may be added in future versions of SQLite. ** ** See also: [extended result code definitions] */ #define SQLITE_OK 0 /* Successful result */ /* beginning-of-error-codes */ #define SQLITE_ERROR 1 /* Generic error */ #define SQLITE_INTERNAL 2 /* Internal logic error in SQLite */ #define SQLITE_PERM 3 /* Access permission denied */ #define SQLITE_ABORT 4 /* Callback routine requested an abort */ #define SQLITE_BUSY 5 /* The database file is locked */ #define SQLITE_LOCKED 6 /* A table in the database is locked */ #define SQLITE_NOMEM 7 /* A malloc() failed */ #define SQLITE_READONLY 8 /* Attempt to write a readonly database */ ................................................................................ #define SQLITE_INTERRUPT 9 /* Operation terminated by sqlite3_interrupt()*/ #define SQLITE_IOERR 10 /* Some kind of disk I/O error occurred */ #define SQLITE_CORRUPT 11 /* The database disk image is malformed */ #define SQLITE_NOTFOUND 12 /* Unknown opcode in sqlite3_file_control() */ #define SQLITE_FULL 13 /* Insertion failed because database is full */ #define SQLITE_CANTOPEN 14 /* Unable to open the database file */ #define SQLITE_PROTOCOL 15 /* Database lock protocol error */ #define SQLITE_EMPTY 16 /* Not used */ #define SQLITE_SCHEMA 17 /* The database schema changed */ #define SQLITE_TOOBIG 18 /* String or BLOB exceeds size limit */ #define SQLITE_CONSTRAINT 19 /* Abort due to constraint violation */ #define SQLITE_MISMATCH 20 /* Data type mismatch */ #define SQLITE_MISUSE 21 /* Library used incorrectly */ #define SQLITE_NOLFS 22 /* Uses OS features not supported on host */ #define SQLITE_AUTH 23 /* Authorization denied */ #define SQLITE_FORMAT 24 /* Not used */ #define SQLITE_RANGE 25 /* 2nd parameter to sqlite3_bind out of range */ #define SQLITE_NOTADB 26 /* File opened that is not a database file */ #define SQLITE_NOTICE 27 /* Notifications from sqlite3_log() */ #define SQLITE_WARNING 28 /* Warnings from sqlite3_log() */ #define SQLITE_ROW 100 /* sqlite3_step() has another row ready */ #define SQLITE_DONE 101 /* sqlite3_step() has finished executing */ /* end-of-error-codes */ ................................................................................ ** override this behaviour. The first parameter passed to this operation ** is an integer - non-zero to disable checkpoints-on-close, or zero (the ** default) to enable them. The second parameter is a pointer to an integer ** into which is written 0 or 1 to indicate whether checkpoints-on-close ** have been disabled - 0 if they are not disabled, 1 if they are. ** </dd> ** ** <dt>SQLITE_DBCONFIG_ENABLE_QPSG</dt> ** <dd>^(The SQLITE_DBCONFIG_ENABLE_QPSG option activates or deactivates ** the [query planner stability guarantee] (QPSG). When the QPSG is active, ** a single SQL query statement will always use the same algorithm regardless ** of values of [bound parameters].)^ The QPSG disables some query optimizations ** that look at the values of bound parameters, which can make some queries ** slower. But the QPSG has the advantage of more predictable behavior. With ** the QPSG active, SQLite will always use the same query plan in the field as ** was used during testing in the lab. ** </dd> ** ** </dl> */ #define SQLITE_DBCONFIG_MAINDBNAME 1000 /* const char* */ #define SQLITE_DBCONFIG_LOOKASIDE 1001 /* void* int int */ #define SQLITE_DBCONFIG_ENABLE_FKEY 1002 /* int int* */ #define SQLITE_DBCONFIG_ENABLE_TRIGGER 1003 /* int int* */ #define SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER 1004 /* int int* */ #define SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION 1005 /* int int* */ #define SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE 1006 /* int int* */ #define SQLITE_DBCONFIG_ENABLE_QPSG 1007 /* int int* */ /* ** CAPI3REF: Enable Or Disable Extended Result Codes ** METHOD: sqlite3 ** ** ^The sqlite3_extended_result_codes() routine enables or disables the ................................................................................ ** METHOD: sqlite3 ** KEYWORDS: {authorizer callback} ** ** ^This routine registers an authorizer callback with a particular ** [database connection], supplied in the first argument. ** ^The authorizer callback is invoked as SQL statements are being compiled ** by [sqlite3_prepare()] or its variants [sqlite3_prepare_v2()], ** [sqlite3_prepare_v3()], [sqlite3_prepare16()], [sqlite3_prepare16_v2()], ** and [sqlite3_prepare16_v3()]. ^At various ** points during the compilation process, as logic is being created ** to perform various actions, the authorizer callback is invoked to ** see if those actions are allowed. ^The authorizer callback should ** return [SQLITE_OK] to allow the action, [SQLITE_IGNORE] to disallow the ** specific action but allow the SQL statement to continue to be ** compiled, or [SQLITE_DENY] to cause the entire SQL statement to be ** rejected with an error. ^If the authorizer callback returns ................................................................................ #define SQLITE_LIMIT_FUNCTION_ARG 6 #define SQLITE_LIMIT_ATTACHED 7 #define SQLITE_LIMIT_LIKE_PATTERN_LENGTH 8 #define SQLITE_LIMIT_VARIABLE_NUMBER 9 #define SQLITE_LIMIT_TRIGGER_DEPTH 10 #define SQLITE_LIMIT_WORKER_THREADS 11 /* ** CAPI3REF: Prepare Flags ** ** These constants define various flags that can be passed into ** "prepFlags" parameter of the [sqlite3_prepare_v3()] and ** [sqlite3_prepare16_v3()] interfaces. ** ** New flags may be added in future releases of SQLite. ** ** <dl> ** [[SQLITE_PREPARE_PERSISTENT]] ^(<dt>SQLITE_PREPARE_PERSISTENT</dt> ** <dd>The SQLITE_PREPARE_PERSISTENT flag is a hint to the query planner ** that the prepared statement will be retained for a long time and ** probably reused many times.)^ ^Without this flag, [sqlite3_prepare_v3()] ** and [sqlite3_prepare16_v3()] assume that the prepared statement will ** be used just once or at most a few times and then destroyed using ** [sqlite3_finalize()] relatively soon. The current implementation acts ** on this hint by avoiding the use of [lookaside memory] so as not to ** deplete the limited store of lookaside memory. Future versions of ** SQLite may act on this hint differently. ** </dl> */ #define SQLITE_PREPARE_PERSISTENT 0x01 /* ** CAPI3REF: Compiling An SQL Statement ** KEYWORDS: {SQL statement compiler} ** METHOD: sqlite3 ** CONSTRUCTOR: sqlite3_stmt ** ** To execute an SQL statement, it must first be compiled into a byte-code ** program using one of these routines. Or, in other words, these routines ** are constructors for the [prepared statement] object. ** ** The preferred routine to use is [sqlite3_prepare_v2()]. The ** [sqlite3_prepare()] interface is legacy and should be avoided. ** [sqlite3_prepare_v3()] has an extra "prepFlags" option that is used ** for special purposes. ** ** The use of the UTF-8 interfaces is preferred, as SQLite currently ** does all parsing using UTF-8. The UTF-16 interfaces are provided ** as a convenience. The UTF-16 interfaces work by converting the ** input text into UTF-8, then invoking the corresponding UTF-8 interface. ** ** The first argument, "db", is a [database connection] obtained from a ** prior successful call to [sqlite3_open()], [sqlite3_open_v2()] or ** [sqlite3_open16()]. The database connection must not have been closed. ** ** The second argument, "zSql", is the statement to be compiled, encoded ** as either UTF-8 or UTF-16. The sqlite3_prepare(), sqlite3_prepare_v2(), ** and sqlite3_prepare_v3() ** interfaces use UTF-8, and sqlite3_prepare16(), sqlite3_prepare16_v2(), ** and sqlite3_prepare16_v3() use UTF-16. ** ** ^If the nByte argument is negative, then zSql is read up to the ** first zero terminator. ^If nByte is positive, then it is the ** number of bytes read from zSql. ^If nByte is zero, then no prepared ** statement is generated. ** If the caller knows that the supplied string is nul-terminated, then ** there is a small performance advantage to passing an nByte parameter that ................................................................................ ** The calling procedure is responsible for deleting the compiled ** SQL statement using [sqlite3_finalize()] after it has finished with it. ** ppStmt may not be NULL. ** ** ^On success, the sqlite3_prepare() family of routines return [SQLITE_OK]; ** otherwise an [error code] is returned. ** ** The sqlite3_prepare_v2(), sqlite3_prepare_v3(), sqlite3_prepare16_v2(), ** and sqlite3_prepare16_v3() interfaces are recommended for all new programs. ** The older interfaces (sqlite3_prepare() and sqlite3_prepare16()) ** are retained for backwards compatibility, but their use is discouraged. ** ^In the "vX" interfaces, the prepared statement ** that is returned (the [sqlite3_stmt] object) contains a copy of the ** original SQL text. This causes the [sqlite3_step()] interface to ** behave differently in three ways: ** ** <ol> ** <li> ** ^If the database schema changes, instead of returning [SQLITE_SCHEMA] as it ................................................................................ ** a schema change, on the first [sqlite3_step()] call following any change ** to the [sqlite3_bind_text | bindings] of that [parameter]. ** ^The specific value of WHERE-clause [parameter] might influence the ** choice of query plan if the parameter is the left-hand side of a [LIKE] ** or [GLOB] operator or if the parameter is compared to an indexed column ** and the [SQLITE_ENABLE_STAT3] compile-time option is enabled. ** </li> ** ** <p>^sqlite3_prepare_v3() differs from sqlite3_prepare_v2() only in having ** the extra prepFlags parameter, which is a bit array consisting of zero or ** more of the [SQLITE_PREPARE_PERSISTENT|SQLITE_PREPARE_*] flags. ^The ** sqlite3_prepare_v2() interface works exactly the same as ** sqlite3_prepare_v3() with a zero prepFlags parameter. ** </ol> */ SQLITE_API int sqlite3_prepare( sqlite3 *db, /* Database handle */ const char *zSql, /* SQL statement, UTF-8 encoded */ int nByte, /* Maximum length of zSql in bytes. */ sqlite3_stmt **ppStmt, /* OUT: Statement handle */ const char **pzTail /* OUT: Pointer to unused portion of zSql */ ); SQLITE_API int sqlite3_prepare_v2( sqlite3 *db, /* Database handle */ const char *zSql, /* SQL statement, UTF-8 encoded */ int nByte, /* Maximum length of zSql in bytes. */ sqlite3_stmt **ppStmt, /* OUT: Statement handle */ const char **pzTail /* OUT: Pointer to unused portion of zSql */ ); SQLITE_API int sqlite3_prepare_v3( sqlite3 *db, /* Database handle */ const char *zSql, /* SQL statement, UTF-8 encoded */ int nByte, /* Maximum length of zSql in bytes. */ unsigned int prepFlags, /* Zero or more SQLITE_PREPARE_ flags */ sqlite3_stmt **ppStmt, /* OUT: Statement handle */ const char **pzTail /* OUT: Pointer to unused portion of zSql */ ); SQLITE_API int sqlite3_prepare16( sqlite3 *db, /* Database handle */ const void *zSql, /* SQL statement, UTF-16 encoded */ int nByte, /* Maximum length of zSql in bytes. */ ................................................................................ SQLITE_API int sqlite3_prepare16_v2( sqlite3 *db, /* Database handle */ const void *zSql, /* SQL statement, UTF-16 encoded */ int nByte, /* Maximum length of zSql in bytes. */ sqlite3_stmt **ppStmt, /* OUT: Statement handle */ const void **pzTail /* OUT: Pointer to unused portion of zSql */ ); SQLITE_API int sqlite3_prepare16_v3( sqlite3 *db, /* Database handle */ const void *zSql, /* SQL statement, UTF-16 encoded */ int nByte, /* Maximum length of zSql in bytes. */ unsigned int prepFlags, /* Zero or more SQLITE_PREPARE_ flags */ sqlite3_stmt **ppStmt, /* OUT: Statement handle */ const void **pzTail /* OUT: Pointer to unused portion of zSql */ ); /* ** CAPI3REF: Retrieving Statement SQL ** METHOD: sqlite3_stmt ** ** ^The sqlite3_sql(P) interface returns a pointer to a copy of the UTF-8 ** SQL text used to create [prepared statement] P if P was ** created by [sqlite3_prepare_v2()], [sqlite3_prepare_v3()], ** [sqlite3_prepare16_v2()], or [sqlite3_prepare16_v3()]. ** ^The sqlite3_expanded_sql(P) interface returns a pointer to a UTF-8 ** string containing the SQL text of prepared statement P with ** [bound parameters] expanded. ** ** ^(For example, if a prepared statement is created using the SQL ** text "SELECT $abc,:xyz" and if parameter $abc is bound to integer 2345 ** and parameter :xyz is unbound, then sqlite3_sql() will return ................................................................................ ** ^The sqlite3_bind_zeroblob() routine binds a BLOB of length N that ** is filled with zeroes. ^A zeroblob uses a fixed amount of memory ** (just an integer to hold its size) while it is being processed. ** Zeroblobs are intended to serve as placeholders for BLOBs whose ** content is later written using ** [sqlite3_blob_open | incremental BLOB I/O] routines. ** ^A negative value for the zeroblob results in a zero-length BLOB. ** ** ^The sqlite3_bind_pointer(S,I,P,T,D) routine causes the I-th parameter in ** [prepared statement] S to have an SQL value of NULL, but to also be ** associated with the pointer P of type T. ^D is either a NULL pointer or ** a pointer to a destructor function for P. ^SQLite will invoke the ** destructor D with a single argument of P when it is finished using ** P. The T parameter should be a static string, preferably a string ** literal. The sqlite3_bind_pointer() routine is part of the ** [pointer passing interface] added for SQLite 3.20.0. ** ** ^If any of the sqlite3_bind_*() routines are called with a NULL pointer ** for the [prepared statement] or with a prepared statement for which ** [sqlite3_step()] has been called more recently than [sqlite3_reset()], ** then the call will return [SQLITE_MISUSE]. If any sqlite3_bind_() ** routine is passed a [prepared statement] that has been finalized, the ** result is undefined and probably harmful. ................................................................................ SQLITE_API int sqlite3_bind_int64(sqlite3_stmt*, int, sqlite3_int64); SQLITE_API int sqlite3_bind_null(sqlite3_stmt*, int); SQLITE_API int sqlite3_bind_text(sqlite3_stmt*,int,const char*,int,void(*)(void*)); SQLITE_API int sqlite3_bind_text16(sqlite3_stmt*, int, const void*, int, void(*)(void*)); SQLITE_API int sqlite3_bind_text64(sqlite3_stmt*, int, const char*, sqlite3_uint64, void(*)(void*), unsigned char encoding); SQLITE_API int sqlite3_bind_value(sqlite3_stmt*, int, const sqlite3_value*); SQLITE_API int sqlite3_bind_pointer(sqlite3_stmt*, int, void*, const char*,void(*)(void*)); SQLITE_API int sqlite3_bind_zeroblob(sqlite3_stmt*, int, int n); SQLITE_API int sqlite3_bind_zeroblob64(sqlite3_stmt*, int, sqlite3_uint64); /* ** CAPI3REF: Number Of SQL Parameters ** METHOD: sqlite3_stmt ** ................................................................................ ** and are referred to as "nameless" or "anonymous parameters". ** ** ^The first host parameter has an index of 1, not 0. ** ** ^If the value N is out of range or if the N-th parameter is ** nameless, then NULL is returned. ^The returned string is ** always in UTF-8 encoding even if the named parameter was ** originally specified as UTF-16 in [sqlite3_prepare16()], ** [sqlite3_prepare16_v2()], or [sqlite3_prepare16_v3()]. ** ** See also: [sqlite3_bind_blob|sqlite3_bind()], ** [sqlite3_bind_parameter_count()], and ** [sqlite3_bind_parameter_index()]. */ SQLITE_API const char *sqlite3_bind_parameter_name(sqlite3_stmt*, int); ................................................................................ ** METHOD: sqlite3_stmt ** ** ^Return the index of an SQL parameter given its name. ^The ** index value returned is suitable for use as the second ** parameter to [sqlite3_bind_blob|sqlite3_bind()]. ^A zero ** is returned if no matching parameter is found. ^The parameter ** name must be given in UTF-8 even if the original statement ** was prepared from UTF-16 text using [sqlite3_prepare16_v2()] or ** [sqlite3_prepare16_v3()]. ** ** See also: [sqlite3_bind_blob|sqlite3_bind()], ** [sqlite3_bind_parameter_count()], and ** [sqlite3_bind_parameter_name()]. */ SQLITE_API int sqlite3_bind_parameter_index(sqlite3_stmt*, const char *zName); ................................................................................ SQLITE_API const char *sqlite3_column_decltype(sqlite3_stmt*,int); SQLITE_API const void *sqlite3_column_decltype16(sqlite3_stmt*,int); /* ** CAPI3REF: Evaluate An SQL Statement ** METHOD: sqlite3_stmt ** ** After a [prepared statement] has been prepared using any of ** [sqlite3_prepare_v2()], [sqlite3_prepare_v3()], [sqlite3_prepare16_v2()], ** or [sqlite3_prepare16_v3()] or one of the legacy ** interfaces [sqlite3_prepare()] or [sqlite3_prepare16()], this function ** must be called one or more times to evaluate the statement. ** ** The details of the behavior of the sqlite3_step() interface depend ** on whether the statement was prepared using the newer "vX" interfaces ** [sqlite3_prepare_v3()], [sqlite3_prepare_v2()], [sqlite3_prepare16_v3()], ** [sqlite3_prepare16_v2()] or the older legacy ** interfaces [sqlite3_prepare()] and [sqlite3_prepare16()]. The use of the ** new "vX" interface is recommended for new applications but the legacy ** interface will continue to be supported. ** ** ^In the legacy interface, the return value will be either [SQLITE_BUSY], ** [SQLITE_DONE], [SQLITE_ROW], [SQLITE_ERROR], or [SQLITE_MISUSE]. ** ^With the "v2" interface, any of the other [result codes] or ** [extended result codes] might be returned as well. ** ................................................................................ ** more threads at the same moment in time. ** ** For all versions of SQLite up to and including 3.6.23.1, a call to ** [sqlite3_reset()] was required after sqlite3_step() returned anything ** other than [SQLITE_ROW] before any subsequent invocation of ** sqlite3_step(). Failure to reset the prepared statement using ** [sqlite3_reset()] would result in an [SQLITE_MISUSE] return from ** sqlite3_step(). But after [version 3.6.23.1] ([dateof:3.6.23.1]), ** sqlite3_step() began ** calling [sqlite3_reset()] automatically in this circumstance rather ** than returning [SQLITE_MISUSE]. This is not considered a compatibility ** break because any application that ever receives an SQLITE_MISUSE error ** is broken by definition. The [SQLITE_OMIT_AUTORESET] compile-time option ** can be used to restore the legacy behavior. ** ................................................................................ ** <b>Goofy Interface Alert:</b> In the legacy interface, the sqlite3_step() ** API always returns a generic error code, [SQLITE_ERROR], following any ** error other than [SQLITE_BUSY] and [SQLITE_MISUSE]. You must call ** [sqlite3_reset()] or [sqlite3_finalize()] in order to find one of the ** specific [error codes] that better describes the error. ** We admit that this is a goofy design. The problem has been fixed ** with the "v2" interface. If you prepare all of your SQL statements ** using [sqlite3_prepare_v3()] or [sqlite3_prepare_v2()] ** or [sqlite3_prepare16_v2()] or [sqlite3_prepare16_v3()] instead ** of the legacy [sqlite3_prepare()] and [sqlite3_prepare16()] interfaces, ** then the more specific [error codes] are returned directly ** by sqlite3_step(). The use of the "vX" interfaces is recommended. */ SQLITE_API int sqlite3_step(sqlite3_stmt*); /* ** CAPI3REF: Number of columns in a result set ** METHOD: sqlite3_stmt ** ................................................................................ #endif #define SQLITE3_TEXT 3 /* ** CAPI3REF: Result Values From A Query ** KEYWORDS: {column access functions} ** METHOD: sqlite3_stmt ** ** <b>Summary:</b> ** <blockquote><table border=0 cellpadding=0 cellspacing=0> ** <tr><td><b>sqlite3_column_blob</b><td>→<td>BLOB result ** <tr><td><b>sqlite3_column_double</b><td>→<td>REAL result ** <tr><td><b>sqlite3_column_int</b><td>→<td>32-bit INTEGER result ** <tr><td><b>sqlite3_column_int64</b><td>→<td>64-bit INTEGER result ** <tr><td><b>sqlite3_column_text</b><td>→<td>UTF-8 TEXT result ** <tr><td><b>sqlite3_column_text16</b><td>→<td>UTF-16 TEXT result ** <tr><td><b>sqlite3_column_value</b><td>→<td>The result as an ** [sqlite3_value|unprotected sqlite3_value] object. ** <tr><td> <td> <td> ** <tr><td><b>sqlite3_column_bytes</b><td>→<td>Size of a BLOB ** or a UTF-8 TEXT result in bytes ** <tr><td><b>sqlite3_column_bytes16 </b> ** <td>→ <td>Size of UTF-16 ** TEXT in bytes ** <tr><td><b>sqlite3_column_type</b><td>→<td>Default ** datatype of the result ** </table></blockquote> ** ** <b>Details:</b> ** ** ^These routines return information about a single column of the current ** result row of a query. ^In every case the first argument is a pointer ** to the [prepared statement] that is being evaluated (the [sqlite3_stmt*] ** that was returned from [sqlite3_prepare_v2()] or one of its variants) ** and the second argument is the index of the column for which information ** should be returned. ^The leftmost column of the result set has the index 0. ................................................................................ ** If any of these routines are called after [sqlite3_reset()] or ** [sqlite3_finalize()] or after [sqlite3_step()] has returned ** something other than [SQLITE_ROW], the results are undefined. ** If [sqlite3_step()] or [sqlite3_reset()] or [sqlite3_finalize()] ** are called from a different thread while any of these routines ** are pending, then the results are undefined. ** ** The first six interfaces (_blob, _double, _int, _int64, _text, and _text16) ** each return the value of a result column in a specific data format. If ** the result column is not initially in the requested format (for example, ** if the query returns an integer but the sqlite3_column_text() interface ** is used to extract the value) then an automatic type conversion is performed. ** ** ^The sqlite3_column_type() routine returns the ** [SQLITE_INTEGER | datatype code] for the initial data type ** of the result column. ^The returned value is one of [SQLITE_INTEGER], ** [SQLITE_FLOAT], [SQLITE_TEXT], [SQLITE_BLOB], or [SQLITE_NULL]. ** The return value of sqlite3_column_type() can be used to decide which ** of the first six interface should be used to extract the column value. ** The value returned by sqlite3_column_type() is only meaningful if no ** automatic type conversions have occurred for the value in question. ** After a type conversion, the result of calling sqlite3_column_type() ** is undefined, though harmless. Future ** versions of SQLite may change the behavior of sqlite3_column_type() ** following a type conversion. ** ** If the result is a BLOB or a TEXT string, then the sqlite3_column_bytes() ** or sqlite3_column_bytes16() interfaces can be used to determine the size ** of that BLOB or string. ** ** ^If the result is a BLOB or UTF-8 string then the sqlite3_column_bytes() ** routine returns the number of bytes in that BLOB or string. ** ^If the result is a UTF-16 string, then sqlite3_column_bytes() converts ** the string to UTF-8 and then returns the number of bytes. ** ^If the result is a numeric value then sqlite3_column_bytes() uses ** [sqlite3_snprintf()] to convert that value to a UTF-8 string and returns ................................................................................ ** [unprotected sqlite3_value] object. In a multithreaded environment, ** an unprotected sqlite3_value object may only be used safely with ** [sqlite3_bind_value()] and [sqlite3_result_value()]. ** If the [unprotected sqlite3_value] object returned by ** [sqlite3_column_value()] is used in any other way, including calls ** to routines like [sqlite3_value_int()], [sqlite3_value_text()], ** or [sqlite3_value_bytes()], the behavior is not threadsafe. ** Hence, the sqlite3_column_value() interface ** is normally only useful within the implementation of ** [application-defined SQL functions] or [virtual tables], not within ** top-level application code. ** ** The these routines may attempt to convert the datatype of the result. ** ^For example, if the internal representation is FLOAT and a text result ** is requested, [sqlite3_snprintf()] is used internally to perform the ** conversion automatically. ^(The following table details the conversions ** that are applied: ** ** <blockquote> ** <table border="1"> ** <tr><th> Internal<br>Type <th> Requested<br>Type <th> Conversion ................................................................................ ** to sqlite3_column_text() or sqlite3_column_blob() with calls to ** sqlite3_column_bytes16(), and do not mix calls to sqlite3_column_text16() ** with calls to sqlite3_column_bytes(). ** ** ^The pointers returned are valid until a type conversion occurs as ** described above, or until [sqlite3_step()] or [sqlite3_reset()] or ** [sqlite3_finalize()] is called. ^The memory space used to hold strings ** and BLOBs is freed automatically. Do not pass the pointers returned ** from [sqlite3_column_blob()], [sqlite3_column_text()], etc. into ** [sqlite3_free()]. ** ** ^(If a memory allocation error occurs during the evaluation of any ** of these routines, a default value is returned. The default value ** is either the integer 0, the floating point number 0.0, or a NULL ** pointer. Subsequent calls to [sqlite3_errcode()] will return ** [SQLITE_NOMEM].)^ */ SQLITE_API const void *sqlite3_column_blob(sqlite3_stmt*, int iCol); SQLITE_API double sqlite3_column_double(sqlite3_stmt*, int iCol); SQLITE_API int sqlite3_column_int(sqlite3_stmt*, int iCol); SQLITE_API sqlite3_int64 sqlite3_column_int64(sqlite3_stmt*, int iCol); SQLITE_API const unsigned char *sqlite3_column_text(sqlite3_stmt*, int iCol); SQLITE_API const void *sqlite3_column_text16(sqlite3_stmt*, int iCol); SQLITE_API sqlite3_value *sqlite3_column_value(sqlite3_stmt*, int iCol); SQLITE_API int sqlite3_column_bytes(sqlite3_stmt*, int iCol); SQLITE_API int sqlite3_column_bytes16(sqlite3_stmt*, int iCol); SQLITE_API int sqlite3_column_type(sqlite3_stmt*, int iCol); /* ** CAPI3REF: Destroy A Prepared Statement Object ** DESTRUCTOR: sqlite3_stmt ** ** ^The sqlite3_finalize() function is called to delete a [prepared statement]. ** ^If the most recent evaluation of the statement encountered no errors ................................................................................ void*,sqlite3_int64); #endif /* ** CAPI3REF: Obtaining SQL Values ** METHOD: sqlite3_value ** ** <b>Summary:</b> ** <blockquote><table border=0 cellpadding=0 cellspacing=0> ** <tr><td><b>sqlite3_value_blob</b><td>→<td>BLOB value ** <tr><td><b>sqlite3_value_double</b><td>→<td>REAL value ** <tr><td><b>sqlite3_value_int</b><td>→<td>32-bit INTEGER value ** <tr><td><b>sqlite3_value_int64</b><td>→<td>64-bit INTEGER value ** <tr><td><b>sqlite3_value_pointer</b><td>→<td>Pointer value ** <tr><td><b>sqlite3_value_text</b><td>→<td>UTF-8 TEXT value ** <tr><td><b>sqlite3_value_text16</b><td>→<td>UTF-16 TEXT value in ** the native byteorder ** <tr><td><b>sqlite3_value_text16be</b><td>→<td>UTF-16be TEXT value ** <tr><td><b>sqlite3_value_text16le</b><td>→<td>UTF-16le TEXT value ** <tr><td> <td> <td> ** <tr><td><b>sqlite3_value_bytes</b><td>→<td>Size of a BLOB ** or a UTF-8 TEXT in bytes ** <tr><td><b>sqlite3_value_bytes16 </b> ** <td>→ <td>Size of UTF-16 ** TEXT in bytes ** <tr><td><b>sqlite3_value_type</b><td>→<td>Default ** datatype of the value ** <tr><td><b>sqlite3_value_numeric_type </b> ** <td>→ <td>Best numeric datatype of the value ** </table></blockquote> ** ** <b>Details:</b> ** ** These routines extract type, size, and content information from ** [protected sqlite3_value] objects. Protected sqlite3_value objects ** are used to pass parameter information into implementation of ** [application-defined SQL functions] and [virtual tables]. ** ** These routines work only with [protected sqlite3_value] objects. ** Any attempt to use these routines on an [unprotected sqlite3_value] ** is not threadsafe. ** ** ^These routines work just like the corresponding [column access functions] ** except that these routines take a single [protected sqlite3_value] object ** pointer instead of a [sqlite3_stmt*] pointer and an integer column number. ** ** ^The sqlite3_value_text16() interface extracts a UTF-16 string ** in the native byte-order of the host machine. ^The ** sqlite3_value_text16be() and sqlite3_value_text16le() interfaces ** extract UTF-16 strings as big-endian and little-endian respectively. ** ** ^If [sqlite3_value] object V was initialized ** using [sqlite3_bind_pointer(S,I,P,X,D)] or [sqlite3_result_pointer(C,P,X,D)] ** and if X and Y are strings that compare equal according to strcmp(X,Y), ** then sqlite3_value_pointer(V,Y) will return the pointer P. ^Otherwise, ** sqlite3_value_pointer(V,Y) returns a NULL. The sqlite3_bind_pointer() ** routine is part of the [pointer passing interface] added for SQLite 3.20.0. ** ** ^(The sqlite3_value_type(V) interface returns the ** [SQLITE_INTEGER | datatype code] for the initial datatype of the ** [sqlite3_value] object V. The returned value is one of [SQLITE_INTEGER], ** [SQLITE_FLOAT], [SQLITE_TEXT], [SQLITE_BLOB], or [SQLITE_NULL].)^ ** Other interfaces might change the datatype for an sqlite3_value object. ** For example, if the datatype is initially SQLITE_INTEGER and ** sqlite3_value_text(V) is called to extract a text value for that ** integer, then subsequent calls to sqlite3_value_type(V) might return ** SQLITE_TEXT. Whether or not a persistent internal datatype conversion ** occurs is undefined and may change from one release of SQLite to the next. ** ** ^(The sqlite3_value_numeric_type() interface attempts to apply ** numeric affinity to the value. This means that an attempt is ** made to convert the value to an integer or floating point. If ** such a conversion is possible without loss of information (in other ** words, if the value is a string that looks like a number) ** then the conversion is performed. Otherwise no conversion occurs. ** The [SQLITE_INTEGER | datatype] after conversion is returned.)^ ................................................................................ ** [sqlite3_value_bytes()], [sqlite3_value_bytes16()], [sqlite3_value_text()], ** or [sqlite3_value_text16()]. ** ** These routines must be called from the same thread as ** the SQL function that supplied the [sqlite3_value*] parameters. */ SQLITE_API const void *sqlite3_value_blob(sqlite3_value*); SQLITE_API double sqlite3_value_double(sqlite3_value*); SQLITE_API int sqlite3_value_int(sqlite3_value*); SQLITE_API sqlite3_int64 sqlite3_value_int64(sqlite3_value*); SQLITE_API void *sqlite3_value_pointer(sqlite3_value*, const char*); SQLITE_API const unsigned char *sqlite3_value_text(sqlite3_value*); SQLITE_API const void *sqlite3_value_text16(sqlite3_value*); SQLITE_API const void *sqlite3_value_text16le(sqlite3_value*); SQLITE_API const void *sqlite3_value_text16be(sqlite3_value*); SQLITE_API int sqlite3_value_bytes(sqlite3_value*); SQLITE_API int sqlite3_value_bytes16(sqlite3_value*); SQLITE_API int sqlite3_value_type(sqlite3_value*); SQLITE_API int sqlite3_value_numeric_type(sqlite3_value*); /* ** CAPI3REF: Finding The Subtype Of SQL Values ** METHOD: sqlite3_value ** ** The sqlite3_value_subtype(V) function returns the subtype for ** an [application-defined SQL function] argument V. The subtype ** information can be used to pass a limited amount of context from ** one SQL function to another. Use the [sqlite3_result_subtype()] ** routine to set the subtype for the return value of an SQL function. */ SQLITE_API unsigned int sqlite3_value_subtype(sqlite3_value*); /* ** CAPI3REF: Copy And Free SQL Values ** METHOD: sqlite3_value ** ................................................................................ ** ^If the 4th parameter to the sqlite3_result_text* interfaces or to ** sqlite3_result_blob is the special constant SQLITE_STATIC, then SQLite ** assumes that the text or BLOB result is in constant space and does not ** copy the content of the parameter nor call a destructor on the content ** when it has finished using that result. ** ^If the 4th parameter to the sqlite3_result_text* interfaces ** or sqlite3_result_blob is the special constant SQLITE_TRANSIENT ** then SQLite makes a copy of the result into space obtained ** from [sqlite3_malloc()] before it returns. ** ** ^The sqlite3_result_value() interface sets the result of ** the application-defined function to be a copy of the ** [unprotected sqlite3_value] object specified by the 2nd parameter. ^The ** sqlite3_result_value() interface makes a copy of the [sqlite3_value] ** so that the [sqlite3_value] specified in the parameter may change or ** be deallocated after sqlite3_result_value() returns without harm. ** ^A [protected sqlite3_value] object may always be used where an ** [unprotected sqlite3_value] object is required, so either ** kind of [sqlite3_value] object can be used with this interface. ** ** ^The sqlite3_result_pointer(C,P,T,D) interface sets the result to an ** SQL NULL value, just like [sqlite3_result_null(C)], except that it ** also associates the host-language pointer P or type T with that ** NULL value such that the pointer can be retrieved within an ** [application-defined SQL function] using [sqlite3_value_pointer()]. ** ^If the D parameter is not NULL, then it is a pointer to a destructor ** for the P parameter. ^SQLite invokes D with P as its only argument ** when SQLite is finished with P. The T parameter should be a static ** string and preferably a string literal. The sqlite3_result_pointer() ** routine is part of the [pointer passing interface] added for SQLite 3.20.0. ** ** If these routines are called from within the different thread ** than the one containing the application-defined function that received ** the [sqlite3_context] pointer, the results are undefined. */ SQLITE_API void sqlite3_result_blob(sqlite3_context*, const void*, int, void(*)(void*)); SQLITE_API void sqlite3_result_blob64(sqlite3_context*,const void*, sqlite3_uint64,void(*)(void*)); ................................................................................ SQLITE_API void sqlite3_result_text(sqlite3_context*, const char*, int, void(*)(void*)); SQLITE_API void sqlite3_result_text64(sqlite3_context*, const char*,sqlite3_uint64, void(*)(void*), unsigned char encoding); SQLITE_API void sqlite3_result_text16(sqlite3_context*, const void*, int, void(*)(void*)); SQLITE_API void sqlite3_result_text16le(sqlite3_context*, const void*, int,void(*)(void*)); SQLITE_API void sqlite3_result_text16be(sqlite3_context*, const void*, int,void(*)(void*)); SQLITE_API void sqlite3_result_value(sqlite3_context*, sqlite3_value*); SQLITE_API void sqlite3_result_pointer(sqlite3_context*, void*,const char*,void(*)(void*)); SQLITE_API void sqlite3_result_zeroblob(sqlite3_context*, int n); SQLITE_API int sqlite3_result_zeroblob64(sqlite3_context*, sqlite3_uint64 n); /* ** CAPI3REF: Setting The Subtype Of An SQL Function ** METHOD: sqlite3_context ................................................................................ ** interface returns SQLITE_OK and fills in the non-NULL pointers in ** the final five arguments with appropriate values if the specified ** column exists. ^The sqlite3_table_column_metadata() interface returns ** SQLITE_ERROR and if the specified column does not exist. ** ^If the column-name parameter to sqlite3_table_column_metadata() is a ** NULL pointer, then this routine simply checks for the existence of the ** table and returns SQLITE_OK if the table exists and SQLITE_ERROR if it ** does not. If the table name parameter T in a call to ** sqlite3_table_column_metadata(X,D,T,C,...) is NULL then the result is ** undefined behavior. ** ** ^The column is identified by the second, third and fourth parameters to ** this function. ^(The second parameter is either the name of the database ** (i.e. "main", "temp", or an attached database) containing the specified ** table or NULL.)^ ^If it is NULL, then all attached databases are searched ** for the table using the same algorithm used by the database engine to ** resolve unqualified table references. ................................................................................ ** [[SQLITE_STMTSTATUS_VM_STEP]] <dt>SQLITE_STMTSTATUS_VM_STEP</dt> ** <dd>^This is the number of virtual machine operations executed ** by the prepared statement if that number is less than or equal ** to 2147483647. The number of virtual machine operations can be ** used as a proxy for the total work done by the prepared statement. ** If the number of virtual machine operations exceeds 2147483647 ** then the value returned by this statement status code is undefined. ** ** [[SQLITE_STMTSTATUS_REPREPARE]] <dt>SQLITE_STMTSTATUS_REPREPARE</dt> ** <dd>^This is the number of times that the prepare statement has been ** automatically regenerated due to schema changes or change to ** [bound parameters] that might affect the query plan. ** ** [[SQLITE_STMTSTATUS_RUN]] <dt>SQLITE_STMTSTATUS_RUN</dt> ** <dd>^This is the number of times that the prepared statement has ** been run. A single "run" for the purposes of this counter is one ** or more calls to [sqlite3_step()] followed by a call to [sqlite3_reset()]. ** The counter is incremented on the first [sqlite3_step()] call of each ** cycle. ** ** [[SQLITE_STMTSTATUS_MEMUSED]] <dt>SQLITE_STMTSTATUS_MEMUSED</dt> ** <dd>^This is the approximate number of bytes of heap memory ** used to store the prepared statement. ^This value is not actually ** a counter, and so the resetFlg parameter to sqlite3_stmt_status() ** is ignored when the opcode is SQLITE_STMTSTATUS_MEMUSED. ** </dd> ** </dl> */ #define SQLITE_STMTSTATUS_FULLSCAN_STEP 1 #define SQLITE_STMTSTATUS_SORT 2 #define SQLITE_STMTSTATUS_AUTOINDEX 3 #define SQLITE_STMTSTATUS_VM_STEP 4 #define SQLITE_STMTSTATUS_REPREPARE 5 #define SQLITE_STMTSTATUS_RUN 6 #define SQLITE_STMTSTATUS_MEMUSED 99 /* ** CAPI3REF: Custom Page Cache Object ** ** The sqlite3_pcache type is opaque. It is implemented by ** the pluggable module. The SQLite core has no knowledge of ** its size or internal structure and never deals with the ................................................................................ /************** End of sqlite3.h *********************************************/ /************** Continuing where we left off in sqliteInt.h ******************/ /* ** Include the configuration header output by 'configure' if we're using the ** autoconf-based build */ #if defined(_HAVE_SQLITE_CONFIG_H) && !defined(SQLITECONFIG_H) /* #include "config.h" */ #define SQLITECONFIG_H 1 #endif /************** Include sqliteLimit.h in the middle of sqliteInt.h ***********/ /************** Begin file sqliteLimit.h *************************************/ /* ** 2007 May 7 ** ................................................................................ ** threadsafe. 1 means the library is serialized which is the highest ** level of threadsafety. 2 means the library is multithreaded - multiple ** threads can use SQLite as long as no two threads try to use the same ** database connection at the same time. ** ** Older versions of SQLite used an optional THREADSAFE macro. ** We support that for legacy. ** ** To ensure that the correct value of "THREADSAFE" is reported when querying ** for compile-time options at runtime (e.g. "PRAGMA compile_options"), this ** logic is partially replicated in ctime.c. If it is updated here, it should ** also be updated there. */ #if !defined(SQLITE_THREADSAFE) # if defined(THREADSAFE) # define SQLITE_THREADSAFE THREADSAFE # else # define SQLITE_THREADSAFE 1 /* IMP: R-07272-22309 */ # endif ................................................................................ /* ** Provide a default value for SQLITE_TEMP_STORE in case it is not specified ** on the command-line */ #ifndef SQLITE_TEMP_STORE # define SQLITE_TEMP_STORE 1 #endif /* ** If no value has been provided for SQLITE_MAX_WORKER_THREADS, or if ** SQLITE_TEMP_STORE is set to 3 (never use temporary files), set it ** to zero. */ ................................................................................ || defined(__sun) \ || defined(__FreeBSD__) \ || defined(__DragonFly__) # define SQLITE_MAX_MMAP_SIZE 0x7fff0000 /* 2147418112 */ # else # define SQLITE_MAX_MMAP_SIZE 0 # endif #endif /* ** The default MMAP_SIZE is zero on all platforms. Or, even if a larger ** default MMAP_SIZE is specified at compile-time, make sure that it does ** not exceed the maximum mmap size. */ #ifndef SQLITE_DEFAULT_MMAP_SIZE # define SQLITE_DEFAULT_MMAP_SIZE 0 #endif #if SQLITE_DEFAULT_MMAP_SIZE>SQLITE_MAX_MMAP_SIZE # undef SQLITE_DEFAULT_MMAP_SIZE # define SQLITE_DEFAULT_MMAP_SIZE SQLITE_MAX_MMAP_SIZE #endif /* ................................................................................ int nZero; /* Extra zero data appended after pData,nData */ }; SQLITE_PRIVATE int sqlite3BtreeInsert(BtCursor*, const BtreePayload *pPayload, int flags, int seekResult); SQLITE_PRIVATE int sqlite3BtreeFirst(BtCursor*, int *pRes); SQLITE_PRIVATE int sqlite3BtreeLast(BtCursor*, int *pRes); SQLITE_PRIVATE int sqlite3BtreeNext(BtCursor*, int flags); SQLITE_PRIVATE int sqlite3BtreeEof(BtCursor*); SQLITE_PRIVATE int sqlite3BtreePrevious(BtCursor*, int flags); SQLITE_PRIVATE i64 sqlite3BtreeIntegerKey(BtCursor*); SQLITE_PRIVATE int sqlite3BtreePayload(BtCursor*, u32 offset, u32 amt, void*); SQLITE_PRIVATE const void *sqlite3BtreePayloadFetch(BtCursor*, u32 *pAmt); SQLITE_PRIVATE u32 sqlite3BtreePayloadSize(BtCursor*); SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck(Btree*, int *aRoot, int nRoot, int, int*); SQLITE_PRIVATE struct Pager *sqlite3BtreePager(Btree*); ................................................................................ KeyInfo *pKeyInfo; /* Used when p4type is P4_KEYINFO */ int *ai; /* Used when p4type is P4_INTARRAY */ SubProgram *pProgram; /* Used when p4type is P4_SUBPROGRAM */ Table *pTab; /* Used when p4type is P4_TABLE */ #ifdef SQLITE_ENABLE_CURSOR_HINTS Expr *pExpr; /* Used when p4type is P4_EXPR */ #endif int (*xAdvance)(BtCursor *, int); } p4; #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS char *zComment; /* Comment to improve readability */ #endif #ifdef VDBE_PROFILE u32 cnt; /* Number of times this instruction was executed */ u64 cycles; /* Total time spent executing this instruction */ ................................................................................ signed char p3; /* Third parameter */ }; typedef struct VdbeOpList VdbeOpList; /* ** Allowed values of VdbeOp.p4type */ #define P4_NOTUSED 0 /* The P4 parameter is not used */ #define P4_TRANSIENT 0 /* P4 is a pointer to a transient string */ #define P4_STATIC (-1) /* Pointer to a static string */ #define P4_COLLSEQ (-2) /* P4 is a pointer to a CollSeq structure */ #define P4_INT32 (-3) /* P4 is a 32-bit signed integer */ #define P4_SUBPROGRAM (-4) /* P4 is a pointer to a SubProgram structure */ #define P4_ADVANCE (-5) /* P4 is a pointer to BtreeNext() or BtreePrev() */ #define P4_TABLE (-6) /* P4 is a pointer to a Table structure */ /* Above do not own any resources. Must free those below */ #define P4_FREE_IF_LE (-7) #define P4_DYNAMIC (-7) /* Pointer to memory from sqliteMalloc() */ #define P4_FUNCDEF (-8) /* P4 is a pointer to a FuncDef structure */ #define P4_KEYINFO (-9) /* P4 is a pointer to a KeyInfo structure */ #define P4_EXPR (-10) /* P4 is a pointer to an Expr tree */ #define P4_MEM (-11) /* P4 is a pointer to a Mem* structure */ #define P4_VTAB (-12) /* P4 is a pointer to an sqlite3_vtab structure */ #define P4_REAL (-13) /* P4 is a 64-bit floating point value */ #define P4_INT64 (-14) /* P4 is a 64-bit signed integer */ #define P4_INTARRAY (-15) /* P4 is a vector of 32-bit integers */ #define P4_FUNCCTX (-16) /* P4 is a pointer to an sqlite3_context object */ /* Error message codes for OP_Halt */ #define P5_ConstraintNotNull 1 #define P5_ConstraintUnique 2 #define P5_ConstraintCheck 3 #define P5_ConstraintFK 4 ................................................................................ #define OP_Variable 62 /* synopsis: r[P2]=parameter(P1,P4) */ #define OP_Move 63 /* synopsis: r[P2@P3]=r[P1@P3] */ #define OP_Copy 64 /* synopsis: r[P2@P3+1]=r[P1@P3+1] */ #define OP_SCopy 65 /* synopsis: r[P2]=r[P1] */ #define OP_IntCopy 66 /* synopsis: r[P2]=r[P1] */ #define OP_ResultRow 67 /* synopsis: output=r[P1@P2] */ #define OP_CollSeq 68 #define OP_AddImm 69 /* synopsis: r[P1]=r[P1]+P2 */ #define OP_Or 70 /* same as TK_OR, synopsis: r[P3]=(r[P1] || r[P2]) */ #define OP_And 71 /* same as TK_AND, synopsis: r[P3]=(r[P1] && r[P2]) */ #define OP_RealAffinity 72 #define OP_Cast 73 /* synopsis: affinity(r[P1]) */ #define OP_Permutation 74 #define OP_IsNull 75 /* same as TK_ISNULL, synopsis: if r[P1]==NULL goto P2 */ #define OP_NotNull 76 /* same as TK_NOTNULL, synopsis: if r[P1]!=NULL goto P2 */ #define OP_Ne 77 /* same as TK_NE, synopsis: IF r[P3]!=r[P1] */ #define OP_Eq 78 /* same as TK_EQ, synopsis: IF r[P3]==r[P1] */ #define OP_Gt 79 /* same as TK_GT, synopsis: IF r[P3]>r[P1] */ #define OP_Le 80 /* same as TK_LE, synopsis: IF r[P3]<=r[P1] */ #define OP_Lt 81 /* same as TK_LT, synopsis: IF r[P3]<r[P1] */ ................................................................................ #define OP_ShiftRight 87 /* same as TK_RSHIFT, synopsis: r[P3]=r[P2]>>r[P1] */ #define OP_Add 88 /* same as TK_PLUS, synopsis: r[P3]=r[P1]+r[P2] */ #define OP_Subtract 89 /* same as TK_MINUS, synopsis: r[P3]=r[P2]-r[P1] */ #define OP_Multiply 90 /* same as TK_STAR, synopsis: r[P3]=r[P1]*r[P2] */ #define OP_Divide 91 /* same as TK_SLASH, synopsis: r[P3]=r[P2]/r[P1] */ #define OP_Remainder 92 /* same as TK_REM, synopsis: r[P3]=r[P2]%r[P1] */ #define OP_Concat 93 /* same as TK_CONCAT, synopsis: r[P3]=r[P2]+r[P1] */ #define OP_Compare 94 /* synopsis: r[P1@P3] <-> r[P2@P3] */ #define OP_BitNot 95 /* same as TK_BITNOT, synopsis: r[P1]= ~r[P1] */ #define OP_Column 96 /* synopsis: r[P3]=PX */ #define OP_String8 97 /* same as TK_STRING, synopsis: r[P2]='P4' */ #define OP_Affinity 98 /* synopsis: affinity(r[P1@P2]) */ #define OP_MakeRecord 99 /* synopsis: r[P3]=mkrec(r[P1@P2]) */ #define OP_Count 100 /* synopsis: r[P2]=count() */ #define OP_ReadCookie 101 #define OP_SetCookie 102 #define OP_ReopenIdx 103 /* synopsis: root=P2 iDb=P3 */ #define OP_OpenRead 104 /* synopsis: root=P2 iDb=P3 */ #define OP_OpenWrite 105 /* synopsis: root=P2 iDb=P3 */ #define OP_OpenDup 106 #define OP_OpenAutoindex 107 /* synopsis: nColumn=P2 */ #define OP_OpenEphemeral 108 /* synopsis: nColumn=P2 */ #define OP_SorterOpen 109 #define OP_SequenceTest 110 /* synopsis: if( cursor[P1].ctr++ ) pc = P2 */ #define OP_OpenPseudo 111 /* synopsis: P3 columns in r[P2] */ #define OP_Close 112 #define OP_ColumnsUsed 113 #define OP_Sequence 114 /* synopsis: r[P2]=cursor[P1].ctr++ */ #define OP_NewRowid 115 /* synopsis: r[P2]=rowid */ #define OP_Insert 116 /* synopsis: intkey=r[P3] data=r[P2] */ #define OP_InsertInt 117 /* synopsis: intkey=P3 data=r[P2] */ #define OP_Delete 118 #define OP_ResetCount 119 #define OP_SorterCompare 120 /* synopsis: if key(P1)!=trim(r[P3],P4) goto P2 */ #define OP_SorterData 121 /* synopsis: r[P2]=data */ #define OP_RowData 122 /* synopsis: r[P2]=data */ #define OP_Rowid 123 /* synopsis: r[P2]=rowid */ #define OP_NullRow 124 #define OP_SorterInsert 125 /* synopsis: key=r[P2] */ #define OP_IdxInsert 126 /* synopsis: key=r[P2] */ #define OP_IdxDelete 127 /* synopsis: key=r[P2@P3] */ #define OP_DeferredSeek 128 /* synopsis: Move P3 to P1.rowid if needed */ #define OP_IdxRowid 129 /* synopsis: r[P2]=rowid */ #define OP_Destroy 130 #define OP_Clear 131 #define OP_Real 132 /* same as TK_FLOAT, synopsis: r[P2]=P4 */ #define OP_ResetSorter 133 #define OP_CreateIndex 134 /* synopsis: r[P2]=root iDb=P1 */ #define OP_CreateTable 135 /* synopsis: r[P2]=root iDb=P1 */ #define OP_SqlExec 136 #define OP_ParseSchema 137 #define OP_LoadAnalysis 138 #define OP_DropTable 139 #define OP_DropIndex 140 #define OP_DropTrigger 141 #define OP_IntegrityCk 142 #define OP_RowSetAdd 143 /* synopsis: rowset(P1)=r[P2] */ #define OP_Param 144 #define OP_FkCounter 145 /* synopsis: fkctr[P1]+=P2 */ #define OP_MemMax 146 /* synopsis: r[P1]=max(r[P1],r[P2]) */ #define OP_OffsetLimit 147 /* synopsis: if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1) */ #define OP_AggStep0 148 /* synopsis: accum=r[P3] step(r[P2@P5]) */ #define OP_AggStep 149 /* synopsis: accum=r[P3] step(r[P2@P5]) */ #define OP_AggFinal 150 /* synopsis: accum=r[P1] N=P2 */ #define OP_Expire 151 #define OP_TableLock 152 /* synopsis: iDb=P1 root=P2 write=P3 */ #define OP_VBegin 153 #define OP_VCreate 154 #define OP_VDestroy 155 #define OP_VOpen 156 #define OP_VColumn 157 /* synopsis: r[P3]=vcolumn(P2) */ #define OP_VRename 158 #define OP_Pagecount 159 #define OP_MaxPgcnt 160 #define OP_PureFunc0 161 #define OP_Function0 162 /* synopsis: r[P3]=func(r[P2@P5]) */ #define OP_PureFunc 163 #define OP_Function 164 /* synopsis: r[P3]=func(r[P2@P5]) */ #define OP_CursorHint 165 #define OP_Noop 166 #define OP_Explain 167 /* Properties such as "out2" or "jump" that are specified in ** comments following the "case" for each opcode in the vdbe.c ** are encoded into bitvectors as follows: */ #define OPFLG_JUMP 0x01 /* jump: P2 holds jmp target */ #define OPFLG_IN1 0x02 /* in1: P1 is an input */ ................................................................................ /* 8 */ 0x00, 0x10, 0x00, 0x01, 0x00, 0x01, 0x01, 0x01,\ /* 16 */ 0x03, 0x03, 0x01, 0x12, 0x01, 0x03, 0x03, 0x01,\ /* 24 */ 0x09, 0x09, 0x09, 0x09, 0x09, 0x09, 0x09, 0x09,\ /* 32 */ 0x09, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,\ /* 40 */ 0x01, 0x01, 0x23, 0x0b, 0x01, 0x01, 0x03, 0x03,\ /* 48 */ 0x03, 0x01, 0x01, 0x01, 0x02, 0x02, 0x08, 0x00,\ /* 56 */ 0x10, 0x10, 0x10, 0x10, 0x00, 0x10, 0x10, 0x00,\ /* 64 */ 0x00, 0x10, 0x10, 0x00, 0x00, 0x02, 0x26, 0x26,\ /* 72 */ 0x02, 0x02, 0x00, 0x03, 0x03, 0x0b, 0x0b, 0x0b,\ /* 80 */ 0x0b, 0x0b, 0x0b, 0x01, 0x26, 0x26, 0x26, 0x26,\ /* 88 */ 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x00, 0x12,\ /* 96 */ 0x00, 0x10, 0x00, 0x00, 0x10, 0x10, 0x00, 0x00,\ /* 104 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ /* 112 */ 0x00, 0x00, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00,\ /* 120 */ 0x00, 0x00, 0x00, 0x10, 0x00, 0x04, 0x04, 0x00,\ /* 128 */ 0x00, 0x10, 0x10, 0x00, 0x10, 0x00, 0x10, 0x10,\ /* 136 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06,\ /* 144 */ 0x10, 0x00, 0x04, 0x1a, 0x00, 0x00, 0x00, 0x00,\ /* 152 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10,\ /* 160 */ 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ } /* The sqlite3P2Values() routine is able to run faster if it knows ** the value of the largest JUMP opcode. The smaller the maximum ** JUMP opcode the better, so the mkopcodeh.tcl script that ** generated this include file strives to group all JUMP opcodes ** together near the beginning of the list. */ #define SQLITE_MX_JUMP_OPCODE 83 /* Maximum JUMP opcode */ /************** End of opcodes.h *********************************************/ /************** Continuing where we left off in vdbe.h ***********************/ /* ** Additional non-public SQLITE_PREPARE_* flags */ #define SQLITE_PREPARE_SAVESQL 0x80 /* Preserve SQL text */ #define SQLITE_PREPARE_MASK 0x0f /* Mask of public flags */ /* ** Prototypes for the VDBE interface. See comments on the implementation ** for a description of what each of these routines does. */ SQLITE_PRIVATE Vdbe *sqlite3VdbeCreate(Parse*); SQLITE_PRIVATE int sqlite3VdbeAddOp0(Vdbe*,int); SQLITE_PRIVATE int sqlite3VdbeAddOp1(Vdbe*,int,int); ................................................................................ SQLITE_PRIVATE void sqlite3VdbeResetStepResult(Vdbe*); SQLITE_PRIVATE void sqlite3VdbeRewind(Vdbe*); SQLITE_PRIVATE int sqlite3VdbeReset(Vdbe*); SQLITE_PRIVATE void sqlite3VdbeSetNumCols(Vdbe*,int); SQLITE_PRIVATE int sqlite3VdbeSetColName(Vdbe*, int, int, const char *, void(*)(void*)); SQLITE_PRIVATE void sqlite3VdbeCountChanges(Vdbe*); SQLITE_PRIVATE sqlite3 *sqlite3VdbeDb(Vdbe*); SQLITE_PRIVATE u8 sqlite3VdbePrepareFlags(Vdbe*); SQLITE_PRIVATE void sqlite3VdbeSetSql(Vdbe*, const char *z, int n, u8); SQLITE_PRIVATE void sqlite3VdbeSwap(Vdbe*,Vdbe*); SQLITE_PRIVATE VdbeOp *sqlite3VdbeTakeOpArray(Vdbe*, int*, int*); SQLITE_PRIVATE sqlite3_value *sqlite3VdbeGetBoundValue(Vdbe*, int, u8); SQLITE_PRIVATE void sqlite3VdbeSetVarmask(Vdbe*, int); #ifndef SQLITE_OMIT_TRACE SQLITE_PRIVATE char *sqlite3VdbeExpandSql(Vdbe*, const char*); #endif ................................................................................ typedef int (*RecordCompare)(int,const void*,UnpackedRecord*); SQLITE_PRIVATE RecordCompare sqlite3VdbeFindCompare(UnpackedRecord*); #ifndef SQLITE_OMIT_TRIGGER SQLITE_PRIVATE void sqlite3VdbeLinkSubProgram(Vdbe *, SubProgram *); #endif SQLITE_PRIVATE int sqlite3NotPureFunc(sqlite3_context*); /* Use SQLITE_ENABLE_COMMENTS to enable generation of extra comments on ** each VDBE opcode. ** ** Use the SQLITE_ENABLE_MODULE_COMMENTS macro to see some extra no-op ** comments in VDBE programs that show key decision points in the code ** generator. ................................................................................ ** Every page in the cache is controlled by an instance of the following ** structure. */ struct PgHdr { sqlite3_pcache_page *pPage; /* Pcache object page handle */ void *pData; /* Page data */ void *pExtra; /* Extra content */ PCache *pCache; /* PRIVATE: Cache that owns this page */ PgHdr *pDirty; /* Transient list of dirty sorted by pgno */ Pager *pPager; /* The pager this page is part of */ Pgno pgno; /* Page number for this page */ #ifdef SQLITE_CHECK_PAGES u32 pageHash; /* Hash of page content */ #endif u16 flags; /* PGHDR flags defined below */ /********************************************************************** ** Elements above, except pCache, are public. All that follow are ** private to pcache.c and should not be accessed by other modules. ** pCache is grouped with the public elements for efficiency. */ i16 nRef; /* Number of users of this page */ PgHdr *pDirtyNext; /* Next element in list of dirty pages */ PgHdr *pDirtyPrev; /* Previous element in list of dirty pages */ }; /* Bit values for PgHdr.flags */ #define PGHDR_CLEAN 0x001 /* Page not on the PCache.pDirty list */ #define PGHDR_DIRTY 0x002 /* Page is on the PCache.pDirty list */ ................................................................................ ** Possible values for the sqlite3.flags. ** ** Value constraints (enforced via assert()): ** SQLITE_FullFSync == PAGER_FULLFSYNC ** SQLITE_CkptFullFSync == PAGER_CKPT_FULLFSYNC ** SQLITE_CacheSpill == PAGER_CACHE_SPILL */ #define SQLITE_WriteSchema 0x00000001 /* OK to update SQLITE_MASTER */ #define SQLITE_LegacyFileFmt 0x00000002 /* Create new databases in format 1 */ #define SQLITE_FullColNames 0x00000004 /* Show full column names on SELECT */ #define SQLITE_FullFSync 0x00000008 /* Use full fsync on the backend */ #define SQLITE_CkptFullFSync 0x00000010 /* Use full fsync for checkpoint */ #define SQLITE_CacheSpill 0x00000020 /* OK to spill pager cache */ #define SQLITE_ShortColNames 0x00000040 /* Show short columns names */ #define SQLITE_CountRows 0x00000080 /* Count rows changed by INSERT, */ /* DELETE, or UPDATE and return */ /* the count using a callback. */ #define SQLITE_NullCallback 0x00000100 /* Invoke the callback once if the */ /* result set is empty */ #define SQLITE_IgnoreChecks 0x00000200 /* Do not enforce check constraints */ #define SQLITE_ReadUncommit 0x00000400 /* READ UNCOMMITTED in shared-cache */ #define SQLITE_NoCkptOnClose 0x00000800 /* No checkpoint on close()/DETACH */ #define SQLITE_ReverseOrder 0x00001000 /* Reverse unordered SELECTs */ #define SQLITE_RecTriggers 0x00002000 /* Enable recursive triggers */ #define SQLITE_ForeignKeys 0x00004000 /* Enforce foreign key constraints */ #define SQLITE_AutoIndex 0x00008000 /* Enable automatic indexes */ #define SQLITE_LoadExtension 0x00010000 /* Enable load_extension */ #define SQLITE_EnableTrigger 0x00020000 /* True to enable triggers */ #define SQLITE_DeferFKs 0x00040000 /* Defer all FK constraints */ #define SQLITE_QueryOnly 0x00080000 /* Disable database changes */ #define SQLITE_CellSizeCk 0x00100000 /* Check btree cell sizes on load */ #define SQLITE_Fts3Tokenizer 0x00200000 /* Enable fts3_tokenizer(2) */ #define SQLITE_EnableQPSG 0x00400000 /* Query Planner Stability Guarantee */ /* The next four values are not used by PRAGMAs or by sqlite3_dbconfig() and ** could be factored out into a separate bit vector of the sqlite3 object. */ #define SQLITE_InternChanges 0x00800000 /* Uncommitted Hash table changes */ #define SQLITE_LoadExtFunc 0x01000000 /* Enable load_extension() SQL func */ #define SQLITE_PreferBuiltin 0x02000000 /* Preference to built-in funcs */ #define SQLITE_Vacuum 0x04000000 /* Currently in a VACUUM */ /* Flags used only if debugging */ #ifdef SQLITE_DEBUG #define SQLITE_SqlTrace 0x08000000 /* Debug print SQL as it executes */ #define SQLITE_VdbeListing 0x10000000 /* Debug listings of VDBE programs */ #define SQLITE_VdbeTrace 0x20000000 /* True to trace VDBE execution */ #define SQLITE_VdbeAddopTrace 0x40000000 /* Trace sqlite3VdbeAddOp() calls */ #define SQLITE_VdbeEQP 0x80000000 /* Debug EXPLAIN QUERY PLAN */ #endif /* ** Bits of the sqlite3.dbOptFlags field that are used by the ** sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS,...) interface to ** selectively disable various optimizations. */ ................................................................................ #define SQLITE_DistinctOpt 0x0020 /* DISTINCT using indexes */ #define SQLITE_CoverIdxScan 0x0040 /* Covering index scans */ #define SQLITE_OrderByIdxJoin 0x0080 /* ORDER BY of joins via index */ #define SQLITE_SubqCoroutine 0x0100 /* Evaluate subqueries as coroutines */ #define SQLITE_Transitive 0x0200 /* Transitive constraints */ #define SQLITE_OmitNoopJoin 0x0400 /* Omit unused tables in joins */ #define SQLITE_Stat34 0x0800 /* Use STAT3 or STAT4 data */ #define SQLITE_CountOfView 0x1000 /* The count-of-view optimization */ #define SQLITE_CursorHints 0x2000 /* Add OP_CursorHint opcodes */ #define SQLITE_AllOpts 0xffff /* All optimizations */ /* ** Macros for testing whether or not optimizations are enabled or disabled. */ #define OptimizationDisabled(db, mask) (((db)->dbOptFlags&(mask))!=0) ................................................................................ ** VFUNCTION(zName, nArg, iArg, bNC, xFunc) ** Like FUNCTION except it omits the SQLITE_FUNC_CONSTANT flag. ** ** DFUNCTION(zName, nArg, iArg, bNC, xFunc) ** Like FUNCTION except it omits the SQLITE_FUNC_CONSTANT flag and ** adds the SQLITE_FUNC_SLOCHNG flag. Used for date & time functions ** and functions like sqlite_version() that can change, but not during ** a single query. The iArg is ignored. The user-data is always set ** to a NULL pointer. The bNC parameter is not used. ** ** PURE_DATE(zName, nArg, iArg, bNC, xFunc) ** Used for "pure" date/time functions, this macro is like DFUNCTION ** except that it does set the SQLITE_FUNC_CONSTANT flags. iArg is ** ignored and the user-data for these functions is set to an ** arbitrary non-NULL pointer. The bNC parameter is not used. ** ** AGGREGATE(zName, nArg, iArg, bNC, xStep, xFinal) ** Used to create an aggregate function definition implemented by ** the C functions xStep and xFinal. The first four parameters ** are interpreted in the same way as the first 4 parameters to ** FUNCTION(). ** ................................................................................ #define FUNCTION(zName, nArg, iArg, bNC, xFunc) \ {nArg, SQLITE_FUNC_CONSTANT|SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL), \ SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, #zName, {0} } #define VFUNCTION(zName, nArg, iArg, bNC, xFunc) \ {nArg, SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL), \ SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, #zName, {0} } #define DFUNCTION(zName, nArg, iArg, bNC, xFunc) \ {nArg, SQLITE_FUNC_SLOCHNG|SQLITE_UTF8, \ 0, 0, xFunc, 0, #zName, {0} } #define PURE_DATE(zName, nArg, iArg, bNC, xFunc) \ {nArg, SQLITE_FUNC_SLOCHNG|SQLITE_UTF8|SQLITE_FUNC_CONSTANT, \ (void*)&sqlite3Config, 0, xFunc, 0, #zName, {0} } #define FUNCTION2(zName, nArg, iArg, bNC, xFunc, extraFlags) \ {nArg,SQLITE_FUNC_CONSTANT|SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL)|extraFlags,\ SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, #zName, {0} } #define STR_FUNCTION(zName, nArg, pArg, bNC, xFunc) \ {nArg, SQLITE_FUNC_SLOCHNG|SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL), \ pArg, 0, xFunc, 0, #zName, } #define LIKEFUNC(zName, nArg, arg, flags) \ ................................................................................ }; /* ** The following are the meanings of bits in the Expr.flags field. */ #define EP_FromJoin 0x000001 /* Originates in ON/USING clause of outer join */ #define EP_Agg 0x000002 /* Contains one or more aggregate functions */ /* 0x000004 // available for use */ /* 0x000008 // available for use */ #define EP_Distinct 0x000010 /* Aggregate function with DISTINCT keyword */ #define EP_VarSelect 0x000020 /* pSelect is correlated, not constant */ #define EP_DblQuoted 0x000040 /* token.z was originally in "..." */ #define EP_InfixFunc 0x000080 /* True for an infix function: LIKE, GLOB, etc */ #define EP_Collate 0x000100 /* Tree contains a TK_COLLATE operator */ #define EP_Generic 0x000200 /* Ignore COLLATE or affinity on this tree */ #define EP_IntValue 0x000400 /* Integer value contained in u.iValue */ ................................................................................ /* ** An instance of this object describes where to put of the results of ** a SELECT statement. */ struct SelectDest { u8 eDest; /* How to dispose of the results. On of SRT_* above. */ int iSDParm; /* A parameter used by the eDest disposal method */ int iSdst; /* Base register where results are written */ int nSdst; /* Number of registers allocated */ char *zAffSdst; /* Affinity used when eDest==SRT_Set */ ExprList *pOrderBy; /* Key columns for SRT_Queue and SRT_DistQueue */ }; /* ** During code generation of statements that do inserts into AUTOINCREMENT ** tables, the following information is attached to the Table.u.autoInc.p ** pointer of each autoincrement table to record some side information that ................................................................................ int nRangeReg; /* Size of the temporary register block */ int iRangeReg; /* First register in temporary register block */ int nErr; /* Number of errors seen */ int nTab; /* Number of previously allocated VDBE cursors */ int nMem; /* Number of memory cells used so far */ int nOpAlloc; /* Number of slots allocated for Vdbe.aOp[] */ int szOpAlloc; /* Bytes of memory space allocated for Vdbe.aOp[] */ int iSelfTab; /* Table for associated with an index on expr, or negative ** of the base register during check-constraint eval */ int iCacheLevel; /* ColCache valid when aColCache[].iLevel<=iCacheLevel */ int iCacheCnt; /* Counter used to generate aColCache[].lru values */ int nLabel; /* Number of labels used */ int *aLabel; /* Space to hold the labels */ ExprList *pConstExpr;/* Constant expressions */ Token constraintName;/* Name of the constraint currently being parsed */ yDbMask writeMask; /* Start a write transaction on these databases */ ................................................................................ /* Forward declarations */ SQLITE_PRIVATE int sqlite3WalkExpr(Walker*, Expr*); SQLITE_PRIVATE int sqlite3WalkExprList(Walker*, ExprList*); SQLITE_PRIVATE int sqlite3WalkSelect(Walker*, Select*); SQLITE_PRIVATE int sqlite3WalkSelectExpr(Walker*, Select*); SQLITE_PRIVATE int sqlite3WalkSelectFrom(Walker*, Select*); SQLITE_PRIVATE int sqlite3ExprWalkNoop(Walker*, Expr*); SQLITE_PRIVATE int sqlite3SelectWalkNoop(Walker*, Select*); #ifdef SQLITE_DEBUG SQLITE_PRIVATE void sqlite3SelectWalkAssert2(Walker*, Select*); #endif /* ** Return code from the parse-tree walking primitives and their ** callbacks. */ #define WRC_Continue 0 /* Continue down into children */ #define WRC_Prune 1 /* Omit children but continue walking siblings */ ................................................................................ SQLITE_PRIVATE int sqlite3CantopenError(int); #define SQLITE_CORRUPT_BKPT sqlite3CorruptError(__LINE__) #define SQLITE_MISUSE_BKPT sqlite3MisuseError(__LINE__) #define SQLITE_CANTOPEN_BKPT sqlite3CantopenError(__LINE__) #ifdef SQLITE_DEBUG SQLITE_PRIVATE int sqlite3NomemError(int); SQLITE_PRIVATE int sqlite3IoerrnomemError(int); SQLITE_PRIVATE int sqlite3CorruptPgnoError(int,Pgno); # define SQLITE_NOMEM_BKPT sqlite3NomemError(__LINE__) # define SQLITE_IOERR_NOMEM_BKPT sqlite3IoerrnomemError(__LINE__) # define SQLITE_CORRUPT_PGNO(P) sqlite3CorruptPgnoError(__LINE__,(P)) #else # define SQLITE_NOMEM_BKPT SQLITE_NOMEM # define SQLITE_IOERR_NOMEM_BKPT SQLITE_IOERR_NOMEM # define SQLITE_CORRUPT_PGNO(P) sqlite3CorruptError(__LINE__) #endif /* ** FTS3 and FTS4 both require virtual table support */ #if defined(SQLITE_OMIT_VIRTUALTABLE) # undef SQLITE_ENABLE_FTS3 ................................................................................ SQLITE_PRIVATE Table *sqlite3LocateTableItem(Parse*,u32 flags,struct SrcList_item *); SQLITE_PRIVATE Index *sqlite3FindIndex(sqlite3*,const char*, const char*); SQLITE_PRIVATE void sqlite3UnlinkAndDeleteTable(sqlite3*,int,const char*); SQLITE_PRIVATE void sqlite3UnlinkAndDeleteIndex(sqlite3*,int,const char*); SQLITE_PRIVATE void sqlite3Vacuum(Parse*,Token*); SQLITE_PRIVATE int sqlite3RunVacuum(char**, sqlite3*, int); SQLITE_PRIVATE char *sqlite3NameFromToken(sqlite3*, Token*); SQLITE_PRIVATE int sqlite3ExprCompare(Parse*,Expr*, Expr*, int); SQLITE_PRIVATE int sqlite3ExprCompareSkip(Expr*, Expr*, int); SQLITE_PRIVATE int sqlite3ExprListCompare(ExprList*, ExprList*, int); SQLITE_PRIVATE int sqlite3ExprImpliesExpr(Parse*,Expr*, Expr*, int); SQLITE_PRIVATE void sqlite3ExprAnalyzeAggregates(NameContext*, Expr*); SQLITE_PRIVATE void sqlite3ExprAnalyzeAggList(NameContext*,ExprList*); SQLITE_PRIVATE int sqlite3ExprCoveredByIndex(Expr*, int iCur, Index *pIdx); SQLITE_PRIVATE int sqlite3FunctionUsesThisSrc(Expr*, SrcList*); SQLITE_PRIVATE Vdbe *sqlite3GetVdbe(Parse*); #ifndef SQLITE_UNTESTABLE SQLITE_PRIVATE void sqlite3PrngSaveState(void); SQLITE_PRIVATE void sqlite3PrngRestoreState(void); #endif SQLITE_PRIVATE void sqlite3RollbackAll(sqlite3*,int); SQLITE_PRIVATE void sqlite3CodeVerifySchema(Parse*, int); SQLITE_PRIVATE void sqlite3CodeVerifyNamedSchema(Parse*, const char *zDb); SQLITE_PRIVATE void sqlite3BeginTransaction(Parse*, int); SQLITE_PRIVATE void sqlite3EndTransaction(Parse*,int); SQLITE_PRIVATE void sqlite3Savepoint(Parse*, int, Token*); SQLITE_PRIVATE void sqlite3CloseSavepoints(sqlite3 *); SQLITE_PRIVATE void sqlite3LeaveMutexAndCloseZombie(sqlite3*); SQLITE_PRIVATE int sqlite3ExprIsConstant(Expr*); SQLITE_PRIVATE int sqlite3ExprIsConstantNotJoin(Expr*); SQLITE_PRIVATE int sqlite3ExprIsConstantOrFunction(Expr*, u8); SQLITE_PRIVATE int sqlite3ExprIsConstantOrGroupBy(Parse*, Expr*, ExprList*); ................................................................................ SQLITE_PRIVATE int sqlite3FixSelect(DbFixer*, Select*); SQLITE_PRIVATE int sqlite3FixExpr(DbFixer*, Expr*); SQLITE_PRIVATE int sqlite3FixExprList(DbFixer*, ExprList*); SQLITE_PRIVATE int sqlite3FixTriggerStep(DbFixer*, TriggerStep*); SQLITE_PRIVATE int sqlite3AtoF(const char *z, double*, int, u8); SQLITE_PRIVATE int sqlite3GetInt32(const char *, int*); SQLITE_PRIVATE int sqlite3Atoi(const char*); #ifndef SQLITE_OMIT_UTF16 SQLITE_PRIVATE int sqlite3Utf16ByteLen(const void *pData, int nChar); #endif SQLITE_PRIVATE int sqlite3Utf8CharLen(const char *pData, int nByte); SQLITE_PRIVATE u32 sqlite3Utf8Read(const u8**); SQLITE_PRIVATE LogEst sqlite3LogEst(u64); SQLITE_PRIVATE LogEst sqlite3LogEstAdd(LogEst,LogEst); #ifndef SQLITE_OMIT_VIRTUALTABLE SQLITE_PRIVATE LogEst sqlite3LogEstFromDouble(double); #endif ................................................................................ SQLITE_PRIVATE const void *sqlite3ValueText(sqlite3_value*, u8); SQLITE_PRIVATE int sqlite3ValueBytes(sqlite3_value*, u8); SQLITE_PRIVATE void sqlite3ValueSetStr(sqlite3_value*, int, const void *,u8, void(*)(void*)); SQLITE_PRIVATE void sqlite3ValueSetNull(sqlite3_value*); SQLITE_PRIVATE void sqlite3ValueFree(sqlite3_value*); SQLITE_PRIVATE sqlite3_value *sqlite3ValueNew(sqlite3 *); #ifndef SQLITE_OMIT_UTF16 SQLITE_PRIVATE char *sqlite3Utf16to8(sqlite3 *, const void*, int, u8); #endif SQLITE_PRIVATE int sqlite3ValueFromExpr(sqlite3 *, Expr *, u8, u8, sqlite3_value **); SQLITE_PRIVATE void sqlite3ValueApplyAffinity(sqlite3_value *, u8, u8); #ifndef SQLITE_AMALGAMATION SQLITE_PRIVATE const unsigned char sqlite3OpcodeProperty[]; SQLITE_PRIVATE const char sqlite3StrBINARY[]; SQLITE_PRIVATE const unsigned char sqlite3UpperToLower[]; SQLITE_PRIVATE const unsigned char sqlite3CtypeMap[]; ................................................................................ #endif SQLITE_PRIVATE int sqlite3ExprVectorSize(Expr *pExpr); SQLITE_PRIVATE int sqlite3ExprIsVector(Expr *pExpr); SQLITE_PRIVATE Expr *sqlite3VectorFieldSubexpr(Expr*, int); SQLITE_PRIVATE Expr *sqlite3ExprForVectorField(Parse*,Expr*,int); SQLITE_PRIVATE void sqlite3VectorErrorMsg(Parse*, Expr*); #ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS SQLITE_PRIVATE const char **sqlite3CompileOptions(int *pnOpt); #endif #endif /* SQLITEINT_H */ /************** End of sqliteInt.h *******************************************/ /************** Begin file global.c ******************************************/ /* ** 2008 June 13 ................................................................................ /* ** Name of the default collating sequence */ SQLITE_PRIVATE const char sqlite3StrBINARY[] = "BINARY"; /************** End of global.c **********************************************/ /************** Begin file status.c ******************************************/ /* ** 2008 June 18 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ** ................................................................................ ** structures. Each Mem struct may cache multiple representations (string, ** integer etc.) of the same value. */ struct sqlite3_value { union MemValue { double r; /* Real value used when MEM_Real is set in flags */ i64 i; /* Integer value used when MEM_Int is set in flags */ int nZero; /* Extra zero bytes when MEM_Zero and MEM_Blob set */ const char *zPType; /* Pointer type when MEM_Term|MEM_Subtype|MEM_Null */ FuncDef *pDef; /* Used only when flags==MEM_Agg */ RowSet *pRowSet; /* Used only when flags==MEM_RowSet */ VdbeFrame *pFrame; /* Used when flags==MEM_Frame */ } u; u16 flags; /* Some combination of MEM_Null, MEM_Str, MEM_Dyn, etc. */ u8 enc; /* SQLITE_UTF8, SQLITE_UTF16BE, SQLITE_UTF16LE */ u8 eSubtype; /* Subtype for this value */ ................................................................................ */ #define MEMCELLSIZE offsetof(Mem,zMalloc) /* One or more of the following flags are set to indicate the validOK ** representations of the value stored in the Mem struct. ** ** If the MEM_Null flag is set, then the value is an SQL NULL value. ** For a pointer type created using sqlite3_bind_pointer() or ** sqlite3_result_pointer() the MEM_Term and MEM_Subtype flags are also set. ** ** If the MEM_Str flag is set then Mem.z points at a string representation. ** Usually this is encoded in the same unicode encoding as the main ** database (see below for exceptions). If the MEM_Term flag is also ** set, then the string is nul terminated. The MEM_Int and MEM_Real ** flags may coexist with the MEM_Str flag. */ #define MEM_Null 0x0001 /* Value is NULL (or a pointer) */ #define MEM_Str 0x0002 /* Value is a string */ #define MEM_Int 0x0004 /* Value is an integer */ #define MEM_Real 0x0008 /* Value is a real number */ #define MEM_Blob 0x0010 /* Value is a BLOB */ #define MEM_AffMask 0x001f /* Mask of affinity bits */ #define MEM_RowSet 0x0020 /* Value is a RowSet object */ #define MEM_Frame 0x0040 /* Value is a VdbeFrame object */ #define MEM_Undefined 0x0080 /* Value is undefined */ #define MEM_Cleared 0x0100 /* NULL set by OP_Null, not from data */ #define MEM_TypeMask 0xc1ff /* Mask of type bits */ /* Whenever Mem contains a valid string or blob representation, one of ** the following flags must be set to determine the memory management ** policy for Mem.z. The MEM_Term flag tells us whether or not the ** string is \000 or \u0000 terminated */ #define MEM_Term 0x0200 /* String in Mem.z is zero terminated */ #define MEM_Dyn 0x0400 /* Need to call Mem.xDel() on Mem.z */ #define MEM_Static 0x0800 /* Mem.z points to a static string */ #define MEM_Ephem 0x1000 /* Mem.z points to an ephemeral string */ #define MEM_Agg 0x2000 /* Mem.z points to an agg function context */ #define MEM_Zero 0x4000 /* Mem.i contains count of 0s appended to blob */ #define MEM_Subtype 0x8000 /* Mem.eSubtype is valid */ #ifdef SQLITE_OMIT_INCRBLOB ................................................................................ int nOp; /* Number of instructions in the program */ #ifdef SQLITE_DEBUG int rcApp; /* errcode set by sqlite3_result_error_code() */ #endif u16 nResColumn; /* Number of columns in one row of the result set */ u8 errorAction; /* Recovery action to do in case of an error */ u8 minWriteFileFormat; /* Minimum file format for writable database files */ u8 prepFlags; /* SQLITE_PREPARE_* flags */ bft expired:1; /* True if the VM needs to be recompiled */ bft doingRerun:1; /* True if rerunning after an auto-reprepare */ bft explain:2; /* True if EXPLAIN present on SQL command */ bft changeCntOn:1; /* True to update the change-counter */ bft runOnlyOnce:1; /* Automatically expire on reset */ bft usesStmtJournal:1; /* True if uses a statement journal */ bft readOnly:1; /* True for statements that do not write */ bft bIsReader:1; /* True for statements that read */ yDbMask btreeMask; /* Bitmask of db->aDb[] entries referenced */ yDbMask lockMask; /* Subset of btreeMask that requires a lock */ u32 aCounter[7]; /* Counters used by sqlite3_stmt_status() */ char *zSql; /* Text of the SQL statement that generated this */ void *pFree; /* Free this when deleting the vdbe */ VdbeFrame *pFrame; /* Parent frame */ VdbeFrame *pDelFrame; /* List of frame objects to free on VM reset */ int nFrame; /* Number of frames in pFrame list */ u32 expmask; /* Binding to these vars invalidates VM */ SubProgram *pProgram; /* Linked list of all sub-programs used by VM */ ................................................................................ SQLITE_PRIVATE int sqlite3VdbeMemSetStr(Mem*, const char*, int, u8, void(*)(void*)); SQLITE_PRIVATE void sqlite3VdbeMemSetInt64(Mem*, i64); #ifdef SQLITE_OMIT_FLOATING_POINT # define sqlite3VdbeMemSetDouble sqlite3VdbeMemSetInt64 #else SQLITE_PRIVATE void sqlite3VdbeMemSetDouble(Mem*, double); #endif SQLITE_PRIVATE void sqlite3VdbeMemSetPointer(Mem*, void*, const char*, void(*)(void*)); SQLITE_PRIVATE void sqlite3VdbeMemInit(Mem*,sqlite3*,u16); SQLITE_PRIVATE void sqlite3VdbeMemSetNull(Mem*); SQLITE_PRIVATE void sqlite3VdbeMemSetZeroBlob(Mem*,int); SQLITE_PRIVATE void sqlite3VdbeMemSetRowSet(Mem*); SQLITE_PRIVATE int sqlite3VdbeMemMakeWriteable(Mem*); SQLITE_PRIVATE int sqlite3VdbeMemStringify(Mem*, u8, u8); SQLITE_PRIVATE i64 sqlite3VdbeIntValue(Mem*); ................................................................................ #endif SQLITE_PRIVATE int sqlite3VdbeTransferError(Vdbe *p); SQLITE_PRIVATE int sqlite3VdbeSorterInit(sqlite3 *, int, VdbeCursor *); SQLITE_PRIVATE void sqlite3VdbeSorterReset(sqlite3 *, VdbeSorter *); SQLITE_PRIVATE void sqlite3VdbeSorterClose(sqlite3 *, VdbeCursor *); SQLITE_PRIVATE int sqlite3VdbeSorterRowkey(const VdbeCursor *, Mem *); SQLITE_PRIVATE int sqlite3VdbeSorterNext(sqlite3 *, const VdbeCursor *); SQLITE_PRIVATE int sqlite3VdbeSorterRewind(const VdbeCursor *, int *); SQLITE_PRIVATE int sqlite3VdbeSorterWrite(const VdbeCursor *, Mem *); SQLITE_PRIVATE int sqlite3VdbeSorterCompare(const VdbeCursor *, Mem *, int, int *); #if !defined(SQLITE_OMIT_SHARED_CACHE) SQLITE_PRIVATE void sqlite3VdbeEnter(Vdbe*); #else ................................................................................ #ifndef SQLITE_OMIT_FOREIGN_KEY SQLITE_PRIVATE int sqlite3VdbeCheckFk(Vdbe *, int); #else # define sqlite3VdbeCheckFk(p,i) 0 #endif #ifdef SQLITE_DEBUG SQLITE_PRIVATE void sqlite3VdbePrintSql(Vdbe*); SQLITE_PRIVATE void sqlite3VdbeMemPrettyPrint(Mem *pMem, char *zBuf); #endif #ifndef SQLITE_OMIT_UTF16 SQLITE_PRIVATE int sqlite3VdbeMemTranslate(Mem*, u8); SQLITE_PRIVATE int sqlite3VdbeMemHandleBom(Mem *pMem); #endif #ifndef SQLITE_OMIT_INCRBLOB SQLITE_PRIVATE int sqlite3VdbeMemExpandBlob(Mem *); #define ExpandBlob(P) (((P)->flags&MEM_Zero)?sqlite3VdbeMemExpandBlob(P):0) #else #define sqlite3VdbeMemExpandBlob(x) SQLITE_OK #define ExpandBlob(P) SQLITE_OK ................................................................................ DateTime *p ){ double r; if( parseYyyyMmDd(zDate,p)==0 ){ return 0; }else if( parseHhMmSs(zDate, p)==0 ){ return 0; }else if( sqlite3StrICmp(zDate,"now")==0 && sqlite3NotPureFunc(context) ){ return setDateTimeToCurrent(context, p); }else if( sqlite3AtoF(zDate, &r, sqlite3Strlen30(zDate), SQLITE_UTF8) ){ setRawDateNumber(p, r); return 0; } return 1; } ................................................................................ #ifndef SQLITE_OMIT_LOCALTIME case 'l': { /* localtime ** ** Assuming the current time value is UTC (a.k.a. GMT), shift it to ** show local time. */ if( sqlite3_stricmp(z, "localtime")==0 && sqlite3NotPureFunc(pCtx) ){ computeJD(p); p->iJD += localtimeOffset(p, pCtx, &rc); clearYMD_HMS_TZ(p); } break; } #endif ................................................................................ p->iJD = (sqlite3_int64)r; p->validJD = 1; p->rawS = 0; rc = 0; } } #ifndef SQLITE_OMIT_LOCALTIME else if( sqlite3_stricmp(z, "utc")==0 && sqlite3NotPureFunc(pCtx) ){ if( p->tzSet==0 ){ sqlite3_int64 c1; computeJD(p); c1 = localtimeOffset(p, pCtx, &rc); if( rc==SQLITE_OK ){ p->iJD -= c1; clearYMD_HMS_TZ(p); ................................................................................ ** This function registered all of the above C functions as SQL ** functions. This should be the only routine in this file with ** external linkage. */ SQLITE_PRIVATE void sqlite3RegisterDateTimeFunctions(void){ static FuncDef aDateTimeFuncs[] = { #ifndef SQLITE_OMIT_DATETIME_FUNCS PURE_DATE(julianday, -1, 0, 0, juliandayFunc ), PURE_DATE(date, -1, 0, 0, dateFunc ), PURE_DATE(time, -1, 0, 0, timeFunc ), PURE_DATE(datetime, -1, 0, 0, datetimeFunc ), PURE_DATE(strftime, -1, 0, 0, strftimeFunc ), DFUNCTION(current_time, 0, 0, 0, ctimeFunc ), DFUNCTION(current_timestamp, 0, 0, 0, ctimestampFunc), DFUNCTION(current_date, 0, 0, 0, cdateFunc ), #else STR_FUNCTION(current_time, 0, "%H:%M:%S", 0, currentTimeFunc), STR_FUNCTION(current_date, 0, "%Y-%m-%d", 0, currentTimeFunc), STR_FUNCTION(current_timestamp, 0, "%Y-%m-%d %H:%M:%S", 0, currentTimeFunc), ................................................................................ if( pFarg ){ sqlite3TreeViewExprList(pView, pFarg, 0, 0); } break; } #ifndef SQLITE_OMIT_SUBQUERY case TK_EXISTS: { sqlite3TreeViewLine(pView, "EXISTS-expr flags=0x%x", pExpr->flags); sqlite3TreeViewSelect(pView, pExpr->x.pSelect, 0); break; } case TK_SELECT: { sqlite3TreeViewLine(pView, "SELECT-expr flags=0x%x", pExpr->flags); sqlite3TreeViewSelect(pView, pExpr->x.pSelect, 0); break; } case TK_IN: { sqlite3TreeViewLine(pView, "IN flags=0x%x", pExpr->flags); sqlite3TreeViewExpr(pView, pExpr->pLeft, 1); if( ExprHasProperty(pExpr, EP_xIsSelect) ){ sqlite3TreeViewSelect(pView, pExpr->x.pSelect, 0); }else{ sqlite3TreeViewExprList(pView, pExpr->x.pList, 0, 0); } break; ................................................................................ char zBuf[100]; sqlite3VdbeMemPrettyPrint(pMem, zBuf); fprintf(stderr, "OUTPUT: %s\n", zBuf); } #endif return SQLITE_OK; } #endif /* SQLITE_OMIT_UTF16 */ #ifndef SQLITE_OMIT_UTF16 /* ** This routine checks for a byte-order mark at the beginning of the ** UTF-16 string stored in *pMem. If one is present, it is removed and ** the encoding of the Mem adjusted. This routine does not do any ** byte-swapping, it just sets Mem.enc appropriately. ** ** The allocation (static, dynamic etc.) and encoding of the Mem may be ................................................................................ next_elem = elem->next; insertElement(pH, &new_ht[h], elem); } return 1; } /* This function (for internal use only) locates an element in an ** hash table that matches the given key. If no element is found, ** a pointer to a static null element with HashElem.data==0 is returned. ** If pH is not NULL, then the hash for this key is written to *pH. */ static HashElem *findElementWithHash( const Hash *pH, /* The pH to be searched */ const char *pKey, /* The key we are searching for */ unsigned int *pHash /* Write the hash value here */ ){ HashElem *elem; /* Used to loop thru the element list */ int count; /* Number of elements left to test */ unsigned int h; /* The computed hash */ static HashElem nullElement = { 0, 0, 0, 0 }; if( pH->ht ){ /*OPTIMIZATION-IF-TRUE*/ struct _ht *pEntry; h = strHash(pKey) % pH->htsize; pEntry = &pH->ht[h]; elem = pEntry->chain; count = pEntry->count; }else{ h = 0; elem = pH->first; count = pH->count; } if( pHash ) *pHash = h; while( count-- ){ assert( elem!=0 ); if( sqlite3StrICmp(elem->pKey,pKey)==0 ){ return elem; } elem = elem->next; } return &nullElement; } /* Remove a single entry from the hash table given a pointer to that ** element and a hash on the element's key. */ static void removeElementGivenHash( Hash *pH, /* The pH containing "elem" */ ................................................................................ } /* Attempt to locate an element of the hash table pH with a key ** that matches pKey. Return the data for this element if it is ** found, or NULL if there is no match. */ SQLITE_PRIVATE void *sqlite3HashFind(const Hash *pH, const char *pKey){ assert( pH!=0 ); assert( pKey!=0 ); return findElementWithHash(pH, pKey, 0)->data; } /* Insert an element into the hash table pH. The key is pKey ** and the data is "data". ** ** If no element exists with a matching key, then a new ** element is created and NULL is returned. ................................................................................ unsigned int h; /* the hash of the key modulo hash table size */ HashElem *elem; /* Used to loop thru the element list */ HashElem *new_elem; /* New element added to the pH */ assert( pH!=0 ); assert( pKey!=0 ); elem = findElementWithHash(pH,pKey,&h); if( elem->data ){ void *old_data = elem->data; if( data==0 ){ removeElementGivenHash(pH,elem,h); }else{ elem->data = data; elem->pKey = pKey; } ................................................................................ /* 62 */ "Variable" OpHelp("r[P2]=parameter(P1,P4)"), /* 63 */ "Move" OpHelp("r[P2@P3]=r[P1@P3]"), /* 64 */ "Copy" OpHelp("r[P2@P3+1]=r[P1@P3+1]"), /* 65 */ "SCopy" OpHelp("r[P2]=r[P1]"), /* 66 */ "IntCopy" OpHelp("r[P2]=r[P1]"), /* 67 */ "ResultRow" OpHelp("output=r[P1@P2]"), /* 68 */ "CollSeq" OpHelp(""), /* 69 */ "AddImm" OpHelp("r[P1]=r[P1]+P2"), /* 70 */ "Or" OpHelp("r[P3]=(r[P1] || r[P2])"), /* 71 */ "And" OpHelp("r[P3]=(r[P1] && r[P2])"), /* 72 */ "RealAffinity" OpHelp(""), /* 73 */ "Cast" OpHelp("affinity(r[P1])"), /* 74 */ "Permutation" OpHelp(""), /* 75 */ "IsNull" OpHelp("if r[P1]==NULL goto P2"), /* 76 */ "NotNull" OpHelp("if r[P1]!=NULL goto P2"), /* 77 */ "Ne" OpHelp("IF r[P3]!=r[P1]"), /* 78 */ "Eq" OpHelp("IF r[P3]==r[P1]"), /* 79 */ "Gt" OpHelp("IF r[P3]>r[P1]"), /* 80 */ "Le" OpHelp("IF r[P3]<=r[P1]"), /* 81 */ "Lt" OpHelp("IF r[P3]<r[P1]"), ................................................................................ /* 87 */ "ShiftRight" OpHelp("r[P3]=r[P2]>>r[P1]"), /* 88 */ "Add" OpHelp("r[P3]=r[P1]+r[P2]"), /* 89 */ "Subtract" OpHelp("r[P3]=r[P2]-r[P1]"), /* 90 */ "Multiply" OpHelp("r[P3]=r[P1]*r[P2]"), /* 91 */ "Divide" OpHelp("r[P3]=r[P2]/r[P1]"), /* 92 */ "Remainder" OpHelp("r[P3]=r[P2]%r[P1]"), /* 93 */ "Concat" OpHelp("r[P3]=r[P2]+r[P1]"), /* 94 */ "Compare" OpHelp("r[P1@P3] <-> r[P2@P3]"), /* 95 */ "BitNot" OpHelp("r[P1]= ~r[P1]"), /* 96 */ "Column" OpHelp("r[P3]=PX"), /* 97 */ "String8" OpHelp("r[P2]='P4'"), /* 98 */ "Affinity" OpHelp("affinity(r[P1@P2])"), /* 99 */ "MakeRecord" OpHelp("r[P3]=mkrec(r[P1@P2])"), /* 100 */ "Count" OpHelp("r[P2]=count()"), /* 101 */ "ReadCookie" OpHelp(""), /* 102 */ "SetCookie" OpHelp(""), /* 103 */ "ReopenIdx" OpHelp("root=P2 iDb=P3"), /* 104 */ "OpenRead" OpHelp("root=P2 iDb=P3"), /* 105 */ "OpenWrite" OpHelp("root=P2 iDb=P3"), /* 106 */ "OpenDup" OpHelp(""), /* 107 */ "OpenAutoindex" OpHelp("nColumn=P2"), /* 108 */ "OpenEphemeral" OpHelp("nColumn=P2"), /* 109 */ "SorterOpen" OpHelp(""), /* 110 */ "SequenceTest" OpHelp("if( cursor[P1].ctr++ ) pc = P2"), /* 111 */ "OpenPseudo" OpHelp("P3 columns in r[P2]"), /* 112 */ "Close" OpHelp(""), /* 113 */ "ColumnsUsed" OpHelp(""), /* 114 */ "Sequence" OpHelp("r[P2]=cursor[P1].ctr++"), /* 115 */ "NewRowid" OpHelp("r[P2]=rowid"), /* 116 */ "Insert" OpHelp("intkey=r[P3] data=r[P2]"), /* 117 */ "InsertInt" OpHelp("intkey=P3 data=r[P2]"), /* 118 */ "Delete" OpHelp(""), /* 119 */ "ResetCount" OpHelp(""), /* 120 */ "SorterCompare" OpHelp("if key(P1)!=trim(r[P3],P4) goto P2"), /* 121 */ "SorterData" OpHelp("r[P2]=data"), /* 122 */ "RowData" OpHelp("r[P2]=data"), /* 123 */ "Rowid" OpHelp("r[P2]=rowid"), /* 124 */ "NullRow" OpHelp(""), /* 125 */ "SorterInsert" OpHelp("key=r[P2]"), /* 126 */ "IdxInsert" OpHelp("key=r[P2]"), /* 127 */ "IdxDelete" OpHelp("key=r[P2@P3]"), /* 128 */ "DeferredSeek" OpHelp("Move P3 to P1.rowid if needed"), /* 129 */ "IdxRowid" OpHelp("r[P2]=rowid"), /* 130 */ "Destroy" OpHelp(""), /* 131 */ "Clear" OpHelp(""), /* 132 */ "Real" OpHelp("r[P2]=P4"), /* 133 */ "ResetSorter" OpHelp(""), /* 134 */ "CreateIndex" OpHelp("r[P2]=root iDb=P1"), /* 135 */ "CreateTable" OpHelp("r[P2]=root iDb=P1"), /* 136 */ "SqlExec" OpHelp(""), /* 137 */ "ParseSchema" OpHelp(""), /* 138 */ "LoadAnalysis" OpHelp(""), /* 139 */ "DropTable" OpHelp(""), /* 140 */ "DropIndex" OpHelp(""), /* 141 */ "DropTrigger" OpHelp(""), /* 142 */ "IntegrityCk" OpHelp(""), /* 143 */ "RowSetAdd" OpHelp("rowset(P1)=r[P2]"), /* 144 */ "Param" OpHelp(""), /* 145 */ "FkCounter" OpHelp("fkctr[P1]+=P2"), /* 146 */ "MemMax" OpHelp("r[P1]=max(r[P1],r[P2])"), /* 147 */ "OffsetLimit" OpHelp("if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1)"), /* 148 */ "AggStep0" OpHelp("accum=r[P3] step(r[P2@P5])"), /* 149 */ "AggStep" OpHelp("accum=r[P3] step(r[P2@P5])"), /* 150 */ "AggFinal" OpHelp("accum=r[P1] N=P2"), /* 151 */ "Expire" OpHelp(""), /* 152 */ "TableLock" OpHelp("iDb=P1 root=P2 write=P3"), /* 153 */ "VBegin" OpHelp(""), /* 154 */ "VCreate" OpHelp(""), /* 155 */ "VDestroy" OpHelp(""), /* 156 */ "VOpen" OpHelp(""), /* 157 */ "VColumn" OpHelp("r[P3]=vcolumn(P2)"), /* 158 */ "VRename" OpHelp(""), /* 159 */ "Pagecount" OpHelp(""), /* 160 */ "MaxPgcnt" OpHelp(""), /* 161 */ "PureFunc0" OpHelp(""), /* 162 */ "Function0" OpHelp("r[P3]=func(r[P2@P5])"), /* 163 */ "PureFunc" OpHelp(""), /* 164 */ "Function" OpHelp("r[P3]=func(r[P2@P5])"), /* 165 */ "CursorHint" OpHelp(""), /* 166 */ "Noop" OpHelp(""), /* 167 */ "Explain" OpHelp(""), }; return azName[i]; } #endif /************** End of opcodes.c *********************************************/ /************** Begin file os_unix.c *****************************************/ ................................................................................ assert( pPager->eState==PAGER_OPEN ); assert( pPager->eLock>=SHARED_LOCK ); assert( isOpen(pPager->fd) ); assert( pPager->tempFile==0 ); nPage = sqlite3WalDbsize(pPager->pWal); /* If the number of pages in the database is not available from the ** WAL sub-system, determine the page count based on the size of ** the database file. If the size of the database file is not an ** integer multiple of the page-size, round up the result. */ if( nPage==0 && ALWAYS(isOpen(pPager->fd)) ){ i64 n = 0; /* Size of db file in bytes */ int rc = sqlite3OsFileSize(pPager->fd, &n); if( rc!=SQLITE_OK ){ ................................................................................ static int pagerOpenWalIfPresent(Pager *pPager){ int rc = SQLITE_OK; assert( pPager->eState==PAGER_OPEN ); assert( pPager->eLock>=SHARED_LOCK ); if( !pPager->tempFile ){ int isWal; /* True if WAL file exists */ rc = sqlite3OsAccess( pPager->pVfs, pPager->zWal, SQLITE_ACCESS_EXISTS, &isWal ); if( rc==SQLITE_OK ){ if( isWal ){ Pgno nPage; /* Size of the database file */ rc = pagerPagecount(pPager, &nPage); if( rc ) return rc; if( nPage==0 ){ rc = sqlite3OsDelete(pPager->pVfs, pPager->zWal, 0); }else{ testcase( sqlite3PcachePagecount(pPager->pPCache)==0 ); rc = sqlite3PagerOpenWal(pPager, 0); } }else if( pPager->journalMode==PAGER_JOURNALMODE_WAL ){ pPager->journalMode = PAGER_JOURNALMODE_DELETE; } } } return rc; } ................................................................................ ** other bytes change randomly with each file change when ** a codec is in use. ** ** There is a vanishingly small chance that a change will not be ** detected. The chance of an undetected change is so small that ** it can be neglected. */ char dbFileVers[sizeof(pPager->dbFileVers)]; IOTRACE(("CKVERS %p %d\n", pPager, sizeof(dbFileVers))); rc = sqlite3OsRead(pPager->fd, &dbFileVers, sizeof(dbFileVers), 24); if( rc!=SQLITE_OK ){ if( rc!=SQLITE_IOERR_SHORT_READ ){ goto failed; } memset(dbFileVers, 0, sizeof(dbFileVers)); } if( memcmp(pPager->dbFileVers, dbFileVers, sizeof(dbFileVers))!=0 ){ pager_reset(pPager); /* Unmap the database file. It is possible that external processes ................................................................................ /* ** Allowed values for BtShared.btsFlags */ #define BTS_READ_ONLY 0x0001 /* Underlying file is readonly */ #define BTS_PAGESIZE_FIXED 0x0002 /* Page size can no longer be changed */ #define BTS_SECURE_DELETE 0x0004 /* PRAGMA secure_delete is enabled */ #define BTS_OVERWRITE 0x0008 /* Overwrite deleted content with zeros */ #define BTS_FAST_SECURE 0x000c /* Combination of the previous two */ #define BTS_INITIALLY_EMPTY 0x0010 /* Database was empty at trans start */ #define BTS_NO_WAL 0x0020 /* Do not open write-ahead-log files */ #define BTS_EXCLUSIVE 0x0040 /* pWriter has an exclusive lock */ #define BTS_PENDING 0x0080 /* Waiting for read-locks to clear */ /* ** An instance of the following structure is used to hold information ** about a cell. The parseCellPtr() function fills in this structure ** based on information extract from the raw disk page. */ struct CellInfo { ................................................................................ BtLock *pLock; /* If this database is not shareable, or if the client is reading ** and has the read-uncommitted flag set, then no lock is required. ** Return true immediately. */ if( (pBtree->sharable==0) || (eLockType==READ_LOCK && (pBtree->db->flags & SQLITE_ReadUncommit)) ){ return 1; } /* If the client is reading or writing an index and the schema is ** not loaded, then it is too difficult to actually check to see if ** the correct locks are held. So do not bother - just return true. ................................................................................ ** assert( !hasReadConflicts(pBtree, iRoot) ); */ static int hasReadConflicts(Btree *pBtree, Pgno iRoot){ BtCursor *p; for(p=pBtree->pBt->pCursor; p; p=p->pNext){ if( p->pgnoRoot==iRoot && p->pBtree!=pBtree && 0==(p->pBtree->db->flags & SQLITE_ReadUncommit) ){ return 1; } } return 0; } #endif /* #ifdef SQLITE_DEBUG */ ................................................................................ static int querySharedCacheTableLock(Btree *p, Pgno iTab, u8 eLock){ BtShared *pBt = p->pBt; BtLock *pIter; assert( sqlite3BtreeHoldsMutex(p) ); assert( eLock==READ_LOCK || eLock==WRITE_LOCK ); assert( p->db!=0 ); assert( !(p->db->flags&SQLITE_ReadUncommit)||eLock==WRITE_LOCK||iTab==1 ); /* If requesting a write-lock, then the Btree must have an open write ** transaction on this file. And, obviously, for this to be so there ** must be an open write transaction on the file itself. */ assert( eLock==READ_LOCK || (p==pBt->pWriter && p->inTrans==TRANS_WRITE) ); assert( eLock==READ_LOCK || pBt->inTransaction==TRANS_WRITE ); ................................................................................ assert( eLock==READ_LOCK || eLock==WRITE_LOCK ); assert( p->db!=0 ); /* A connection with the read-uncommitted flag set will never try to ** obtain a read-lock using this function. The only read-lock obtained ** by a connection in read-uncommitted mode is on the sqlite_master ** table, and that lock is obtained in BtreeBeginTrans(). */ assert( 0==(p->db->flags&SQLITE_ReadUncommit) || eLock==WRITE_LOCK ); /* This function should only be called on a sharable b-tree after it ** has been determined that no other b-tree holds a conflicting lock. */ assert( p->sharable ); assert( SQLITE_OK==querySharedCacheTableLock(p, iTable, eLock) ); /* First search the list for an existing lock on this table. */ ................................................................................ if( pKey ){ assert( nKey==(i64)(int)nKey ); pIdxKey = sqlite3VdbeAllocUnpackedRecord(pCur->pKeyInfo); if( pIdxKey==0 ) return SQLITE_NOMEM_BKPT; sqlite3VdbeRecordUnpack(pCur->pKeyInfo, (int)nKey, pKey, pIdxKey); if( pIdxKey->nField==0 ){ rc = SQLITE_CORRUPT_PGNO(pCur->apPage[pCur->iPage]->pgno); goto moveto_done; } }else{ pIdxKey = 0; } rc = sqlite3BtreeMovetoUnpacked(pCur, pIdxKey, nKey, bias, pRes); moveto_done: ................................................................................ } assert( offset <= (int)pBt->usableSize-5 ); assert( pEType!=0 ); *pEType = pPtrmap[offset]; if( pPgno ) *pPgno = get4byte(&pPtrmap[offset+1]); sqlite3PagerUnref(pDbPage); if( *pEType<1 || *pEType>5 ) return SQLITE_CORRUPT_PGNO(iPtrmap); return SQLITE_OK; } #else /* if defined SQLITE_OMIT_AUTOVACUUM */ #define ptrmapPut(w,x,y,z,rc) #define ptrmapGet(w,x,y,z) SQLITE_OK #define ptrmapPutOvflPtr(x, y, rc) ................................................................................ if( 0==iFree2 || (data[iFree2]==0 && data[iFree2+1]==0) ){ u8 *pEnd = &data[cellOffset + nCell*2]; u8 *pAddr; int sz2 = 0; int sz = get2byte(&data[iFree+2]); int top = get2byte(&data[hdr+5]); if( iFree2 ){ if( iFree+sz>iFree2 ) return SQLITE_CORRUPT_PGNO(pPage->pgno); sz2 = get2byte(&data[iFree2+2]); assert( iFree+sz+sz2+iFree2-(iFree+sz) <= usableSize ); memmove(&data[iFree+sz+sz2], &data[iFree+sz], iFree2-(iFree+sz)); sz += sz2; } cbrk = top+sz; assert( cbrk+(iFree-top) <= usableSize ); ................................................................................ pc = get2byte(pAddr); testcase( pc==iCellFirst ); testcase( pc==iCellLast ); /* These conditions have already been verified in btreeInitPage() ** if PRAGMA cell_size_check=ON. */ if( pc<iCellFirst || pc>iCellLast ){ return SQLITE_CORRUPT_PGNO(pPage->pgno); } assert( pc>=iCellFirst && pc<=iCellLast ); size = pPage->xCellSize(pPage, &src[pc]); cbrk -= size; if( cbrk<iCellFirst || pc+size>usableSize ){ return SQLITE_CORRUPT_PGNO(pPage->pgno); } assert( cbrk+size<=usableSize && cbrk>=iCellFirst ); testcase( cbrk+size==usableSize ); testcase( pc+size==usableSize ); put2byte(pAddr, cbrk); if( temp==0 ){ int x; ................................................................................ } memcpy(&data[cbrk], &src[pc], size); } data[hdr+7] = 0; defragment_out: if( data[hdr+7]+cbrk-iCellFirst!=pPage->nFree ){ return SQLITE_CORRUPT_PGNO(pPage->pgno); } assert( cbrk>=iCellFirst ); put2byte(&data[hdr+5], cbrk); data[hdr+1] = 0; data[hdr+2] = 0; memset(&data[iCellFirst], 0, cbrk-iCellFirst); assert( sqlite3PagerIswriteable(pPage->pDbPage) ); ................................................................................ assert( pc>0 ); do{ int size; /* Size of the free slot */ /* EVIDENCE-OF: R-06866-39125 Freeblocks are always connected in order of ** increasing offset. */ if( pc>usableSize-4 || pc<iAddr+4 ){ *pRc = SQLITE_CORRUPT_PGNO(pPg->pgno); return 0; } /* EVIDENCE-OF: R-22710-53328 The third and fourth bytes of each ** freeblock form a big-endian integer which is the size of the freeblock ** in bytes, including the 4-byte header. */ size = get2byte(&aData[pc+2]); if( (x = size - nByte)>=0 ){ testcase( x==4 ); testcase( x==3 ); if( pc < pPg->cellOffset+2*pPg->nCell || size+pc > usableSize ){ *pRc = SQLITE_CORRUPT_PGNO(pPg->pgno); return 0; }else if( x<4 ){ /* EVIDENCE-OF: R-11498-58022 In a well-formed b-tree page, the total ** number of bytes in fragments may not exceed 60. */ if( aData[hdr+7]>57 ) return 0; /* Remove the slot from the free-list. Update the number of ................................................................................ ** integer, so a value of 0 is used in its place. */ top = get2byte(&data[hdr+5]); assert( top<=(int)pPage->pBt->usableSize ); /* Prevent by getAndInitPage() */ if( gap>top ){ if( top==0 && pPage->pBt->usableSize==65536 ){ top = 65536; }else{ return SQLITE_CORRUPT_PGNO(pPage->pgno); } } /* If there is enough space between gap and top for one more cell pointer ** array entry offset, and if the freelist is not empty, then search the ** freelist looking for a free slot big enough to satisfy the request. */ ................................................................................ assert( CORRUPT_DB || iEnd <= pPage->pBt->usableSize ); assert( sqlite3_mutex_held(pPage->pBt->mutex) ); assert( iSize>=4 ); /* Minimum cell size is 4 */ assert( iStart<=iLast ); /* Overwrite deleted information with zeros when the secure_delete ** option is enabled */ if( pPage->pBt->btsFlags & BTS_FAST_SECURE ){ memset(&data[iStart], 0, iSize); } /* The list of freeblocks must be in ascending order. Find the ** spot on the list where iStart should be inserted. */ hdr = pPage->hdrOffset; ................................................................................ iPtr = hdr + 1; if( data[iPtr+1]==0 && data[iPtr]==0 ){ iFreeBlk = 0; /* Shortcut for the case when the freelist is empty */ }else{ while( (iFreeBlk = get2byte(&data[iPtr]))<iStart ){ if( iFreeBlk<iPtr+4 ){ if( iFreeBlk==0 ) break; return SQLITE_CORRUPT_PGNO(pPage->pgno); } iPtr = iFreeBlk; } if( iFreeBlk>iLast ) return SQLITE_CORRUPT_PGNO(pPage->pgno); assert( iFreeBlk>iPtr || iFreeBlk==0 ); /* At this point: ** iFreeBlk: First freeblock after iStart, or zero if none ** iPtr: The address of a pointer to iFreeBlk ** ** Check to see if iFreeBlk should be coalesced onto the end of iStart. */ if( iFreeBlk && iEnd+3>=iFreeBlk ){ nFrag = iFreeBlk - iEnd; if( iEnd>iFreeBlk ) return SQLITE_CORRUPT_PGNO(pPage->pgno); iEnd = iFreeBlk + get2byte(&data[iFreeBlk+2]); if( iEnd > pPage->pBt->usableSize ){ return SQLITE_CORRUPT_PGNO(pPage->pgno); } iSize = iEnd - iStart; iFreeBlk = get2byte(&data[iFreeBlk]); } /* If iPtr is another freeblock (that is, if iPtr is not the freelist ** pointer in the page header) then check to see if iStart should be ** coalesced onto the end of iPtr. */ if( iPtr>hdr+1 ){ int iPtrEnd = iPtr + get2byte(&data[iPtr+2]); if( iPtrEnd+3>=iStart ){ if( iPtrEnd>iStart ) return SQLITE_CORRUPT_PGNO(pPage->pgno); nFrag += iStart - iPtrEnd; iSize = iEnd - iPtr; iStart = iPtr; } } if( nFrag>data[hdr+7] ) return SQLITE_CORRUPT_PGNO(pPage->pgno); data[hdr+7] -= nFrag; } if( iStart==get2byte(&data[hdr+5]) ){ /* The new freeblock is at the beginning of the cell content area, ** so just extend the cell content area rather than create another ** freelist entry */ if( iPtr!=hdr+1 ) return SQLITE_CORRUPT_PGNO(pPage->pgno); put2byte(&data[hdr+1], iFreeBlk); put2byte(&data[hdr+5], iEnd); }else{ /* Insert the new freeblock into the freelist */ put2byte(&data[iPtr], iStart); put2byte(&data[iStart], iFreeBlk); put2byte(&data[iStart+2], iSize); ................................................................................ pPage->intKeyLeaf = 0; pPage->xParseCell = btreeParseCellPtrIndex; pPage->maxLocal = pBt->maxLocal; pPage->minLocal = pBt->minLocal; }else{ /* EVIDENCE-OF: R-47608-56469 Any other value for the b-tree page type is ** an error. */ return SQLITE_CORRUPT_PGNO(pPage->pgno); } pPage->max1bytePayload = pBt->max1bytePayload; return SQLITE_OK; } /* ** Initialize the auxiliary information for a disk block. ................................................................................ ** Return SQLITE_OK on success. If we see that the page does ** not contain a well-formed database page, then return ** SQLITE_CORRUPT. Note that a return of SQLITE_OK does not ** guarantee that the page is well-formed. It only shows that ** we failed to detect any corruption. */ static int btreeInitPage(MemPage *pPage){ int pc; /* Address of a freeblock within pPage->aData[] */ u8 hdr; /* Offset to beginning of page header */ u8 *data; /* Equal to pPage->aData */ BtShared *pBt; /* The main btree structure */ int usableSize; /* Amount of usable space on each page */ u16 cellOffset; /* Offset from start of page to first cell pointer */ int nFree; /* Number of unused bytes on the page */ int top; /* First byte of the cell content area */ int iCellFirst; /* First allowable cell or freeblock offset */ int iCellLast; /* Last possible cell or freeblock offset */ assert( pPage->pBt!=0 ); assert( pPage->pBt->db!=0 ); assert( sqlite3_mutex_held(pPage->pBt->mutex) ); assert( pPage->pgno==sqlite3PagerPagenumber(pPage->pDbPage) ); assert( pPage == sqlite3PagerGetExtra(pPage->pDbPage) ); assert( pPage->aData == sqlite3PagerGetData(pPage->pDbPage) ); assert( pPage->isInit==0 ); pBt = pPage->pBt; hdr = pPage->hdrOffset; data = pPage->aData; /* EVIDENCE-OF: R-28594-02890 The one-byte flag at offset 0 indicating ** the b-tree page type. */ if( decodeFlags(pPage, data[hdr]) ){ return SQLITE_CORRUPT_PGNO(pPage->pgno); } assert( pBt->pageSize>=512 && pBt->pageSize<=65536 ); pPage->maskPage = (u16)(pBt->pageSize - 1); pPage->nOverflow = 0; usableSize = pBt->usableSize; pPage->cellOffset = cellOffset = hdr + 8 + pPage->childPtrSize; pPage->aDataEnd = &data[usableSize]; pPage->aCellIdx = &data[cellOffset]; pPage->aDataOfst = &data[pPage->childPtrSize]; /* EVIDENCE-OF: R-58015-48175 The two-byte integer at offset 5 designates ** the start of the cell content area. A zero value for this integer is ** interpreted as 65536. */ top = get2byteNotZero(&data[hdr+5]); /* EVIDENCE-OF: R-37002-32774 The two-byte integer at offset 3 gives the ** number of cells on the page. */ pPage->nCell = get2byte(&data[hdr+3]); if( pPage->nCell>MX_CELL(pBt) ){ /* To many cells for a single page. The page must be corrupt */ return SQLITE_CORRUPT_PGNO(pPage->pgno); } testcase( pPage->nCell==MX_CELL(pBt) ); /* EVIDENCE-OF: R-24089-57979 If a page contains no cells (which is only ** possible for a root page of a table that contains no rows) then the ** offset to the cell content area will equal the page size minus the ** bytes of reserved space. */ assert( pPage->nCell>0 || top==usableSize || CORRUPT_DB ); /* A malformed database page might cause us to read past the end ** of page when parsing a cell. ** ** The following block of code checks early to see if a cell extends ** past the end of a page boundary and causes SQLITE_CORRUPT to be ** returned if it does. */ iCellFirst = cellOffset + 2*pPage->nCell; iCellLast = usableSize - 4; if( pBt->db->flags & SQLITE_CellSizeCk ){ int i; /* Index into the cell pointer array */ int sz; /* Size of a cell */ if( !pPage->leaf ) iCellLast--; for(i=0; i<pPage->nCell; i++){ pc = get2byteAligned(&data[cellOffset+i*2]); testcase( pc==iCellFirst ); testcase( pc==iCellLast ); if( pc<iCellFirst || pc>iCellLast ){ return SQLITE_CORRUPT_PGNO(pPage->pgno); } sz = pPage->xCellSize(pPage, &data[pc]); testcase( pc+sz==usableSize ); if( pc+sz>usableSize ){ return SQLITE_CORRUPT_PGNO(pPage->pgno); } } if( !pPage->leaf ) iCellLast++; } /* Compute the total free space on the page ** EVIDENCE-OF: R-23588-34450 The two-byte integer at offset 1 gives the ** start of the first freeblock on the page, or is zero if there are no ** freeblocks. */ pc = get2byte(&data[hdr+1]); nFree = data[hdr+7] + top; /* Init nFree to non-freeblock free space */ if( pc>0 ){ u32 next, size; if( pc<iCellFirst ){ /* EVIDENCE-OF: R-55530-52930 In a well-formed b-tree page, there will ** always be at least one cell before the first freeblock. */ return SQLITE_CORRUPT_PGNO(pPage->pgno); } while( 1 ){ if( pc>iCellLast ){ /* Freeblock off the end of the page */ return SQLITE_CORRUPT_PGNO(pPage->pgno); } next = get2byte(&data[pc]); size = get2byte(&data[pc+2]); nFree = nFree + size; if( next<=pc+size+3 ) break; pc = next; } if( next>0 ){ /* Freeblock not in ascending order */ return SQLITE_CORRUPT_PGNO(pPage->pgno); } if( pc+size>(unsigned int)usableSize ){ /* Last freeblock extends past page end */ return SQLITE_CORRUPT_PGNO(pPage->pgno); } } /* At this point, nFree contains the sum of the offset to the start ** of the cell-content area plus the number of free bytes within ** the cell-content area. If this is greater than the usable-size ** of the page, then the page must be corrupted. This check also ** serves to verify that the offset to the start of the cell-content ** area, according to the page header, lies within the page. */ if( nFree>usableSize ){ return SQLITE_CORRUPT_PGNO(pPage->pgno); } pPage->nFree = (u16)(nFree - iCellFirst); pPage->isInit = 1; return SQLITE_OK; } /* ** Set up a raw page so that it looks like a database page holding ** no entries. */ ................................................................................ u16 first; assert( sqlite3PagerPagenumber(pPage->pDbPage)==pPage->pgno ); assert( sqlite3PagerGetExtra(pPage->pDbPage) == (void*)pPage ); assert( sqlite3PagerGetData(pPage->pDbPage) == data ); assert( sqlite3PagerIswriteable(pPage->pDbPage) ); assert( sqlite3_mutex_held(pBt->mutex) ); if( pBt->btsFlags & BTS_FAST_SECURE ){ memset(&data[hdr], 0, pBt->usableSize - hdr); } data[hdr] = (char)flags; first = hdr + ((flags&PTF_LEAF)==0 ? 12 : 8); memset(&data[hdr+1], 0, 4); data[hdr+7] = 0; put2byte(&data[hdr+5], pBt->usableSize); ................................................................................ } assert( (*ppPage)->pgno==pgno ); assert( (*ppPage)->aData==sqlite3PagerGetData(pDbPage) ); /* If obtaining a child page for a cursor, we must verify that the page is ** compatible with the root page. */ if( pCur && ((*ppPage)->nCell<1 || (*ppPage)->intKey!=pCur->curIntKey) ){ rc = SQLITE_CORRUPT_PGNO(pgno); releasePage(*ppPage); goto getAndInitPage_error; } return SQLITE_OK; getAndInitPage_error: if( pCur ) pCur->iPage--; ................................................................................ pBt->db = db; sqlite3PagerSetBusyhandler(pBt->pPager, btreeInvokeBusyHandler, pBt); p->pBt = pBt; pBt->pCursor = 0; pBt->pPage1 = 0; if( sqlite3PagerIsreadonly(pBt->pPager) ) pBt->btsFlags |= BTS_READ_ONLY; #if defined(SQLITE_SECURE_DELETE) pBt->btsFlags |= BTS_SECURE_DELETE; #elif defined(SQLITE_FAST_SECURE_DELETE) pBt->btsFlags |= BTS_OVERWRITE; #endif /* EVIDENCE-OF: R-51873-39618 The page size for a database file is ** determined by the 2-byte integer located at an offset of 16 bytes from ** the beginning of the database file. */ pBt->pageSize = (zDbHeader[16]<<8) | (zDbHeader[17]<<16); if( pBt->pageSize<512 || pBt->pageSize>SQLITE_MAX_PAGE_SIZE || ((pBt->pageSize-1)&pBt->pageSize)!=0 ){ ................................................................................ sqlite3BtreeEnter(p); n = sqlite3PagerMaxPageCount(p->pBt->pPager, mxPage); sqlite3BtreeLeave(p); return n; } /* ** Change the values for the BTS_SECURE_DELETE and BTS_OVERWRITE flags: ** ** newFlag==0 Both BTS_SECURE_DELETE and BTS_OVERWRITE are cleared ** newFlag==1 BTS_SECURE_DELETE set and BTS_OVERWRITE is cleared ** newFlag==2 BTS_SECURE_DELETE cleared and BTS_OVERWRITE is set ** newFlag==(-1) No changes ** ** This routine acts as a query if newFlag is less than zero ** ** With BTS_OVERWRITE set, deleted content is overwritten by zeros, but ** freelist leaf pages are not written back to the database. Thus in-page ** deleted content is cleared, but freelist deleted content is not. ** ** With BTS_SECURE_DELETE, operation is like BTS_OVERWRITE with the addition ** that freelist leaf pages are written back into the database, increasing ** the amount of disk I/O. */ SQLITE_PRIVATE int sqlite3BtreeSecureDelete(Btree *p, int newFlag){ int b; if( p==0 ) return 0; sqlite3BtreeEnter(p); assert( BTS_OVERWRITE==BTS_SECURE_DELETE*2 ); assert( BTS_FAST_SECURE==(BTS_OVERWRITE|BTS_SECURE_DELETE) ); if( newFlag>=0 ){ p->pBt->btsFlags &= ~BTS_FAST_SECURE; p->pBt->btsFlags |= BTS_SECURE_DELETE*newFlag; } b = (p->pBt->btsFlags & BTS_FAST_SECURE)/BTS_SECURE_DELETE; sqlite3BtreeLeave(p); return b; } /* ** Change the 'auto-vacuum' property of the database. If the 'autoVacuum' ** parameter is non-zero, then auto-vacuum mode is enabled. If zero, it ................................................................................ pBt->usableSize = usableSize; pBt->pageSize = pageSize; freeTempSpace(pBt); rc = sqlite3PagerSetPagesize(pBt->pPager, &pBt->pageSize, pageSize-usableSize); return rc; } if( (pBt->db->flags & SQLITE_WriteSchema)==0 && nPage>nPageFile ){ rc = SQLITE_CORRUPT_BKPT; goto page1_init_failed; } /* EVIDENCE-OF: R-28312-64704 However, the usable size is not allowed to ** be less than 480. In other words, if the page size is 512, then the ** reserved space size cannot exceed 32. */ if( usableSize<480 ){ ................................................................................ int i; /* Counter variable */ int nCell; /* Number of cells in page pPage */ int rc; /* Return code */ BtShared *pBt = pPage->pBt; Pgno pgno = pPage->pgno; assert( sqlite3_mutex_held(pPage->pBt->mutex) ); rc = pPage->isInit ? SQLITE_OK : btreeInitPage(pPage); if( rc!=SQLITE_OK ) return rc; nCell = pPage->nCell; for(i=0; i<nCell; i++){ u8 *pCell = findCell(pPage, i); ptrmapPutOvflPtr(pPage, pCell, &rc); ................................................................................ */ static int modifyPagePointer(MemPage *pPage, Pgno iFrom, Pgno iTo, u8 eType){ assert( sqlite3_mutex_held(pPage->pBt->mutex) ); assert( sqlite3PagerIswriteable(pPage->pDbPage) ); if( eType==PTRMAP_OVERFLOW2 ){ /* The pointer is always the first 4 bytes of the page in this case. */ if( get4byte(pPage->aData)!=iFrom ){ return SQLITE_CORRUPT_PGNO(pPage->pgno); } put4byte(pPage->aData, iTo); }else{ int i; int nCell; int rc; rc = pPage->isInit ? SQLITE_OK : btreeInitPage(pPage); if( rc ) return rc; nCell = pPage->nCell; for(i=0; i<nCell; i++){ u8 *pCell = findCell(pPage, i); if( eType==PTRMAP_OVERFLOW1 ){ CellInfo info; pPage->xParseCell(pPage, pCell, &info); if( info.nLocal<info.nPayload ){ if( pCell+info.nSize > pPage->aData+pPage->pBt->usableSize ){ return SQLITE_CORRUPT_PGNO(pPage->pgno); } if( iFrom==get4byte(pCell+info.nSize-4) ){ put4byte(pCell+info.nSize-4, iTo); break; } } }else{ ................................................................................ } } } if( i==nCell ){ if( eType!=PTRMAP_BTREE || get4byte(&pPage->aData[pPage->hdrOffset+8])!=iFrom ){ return SQLITE_CORRUPT_PGNO(pPage->pgno); } put4byte(&pPage->aData[pPage->hdrOffset+8], iTo); } } return SQLITE_OK; } ................................................................................ assert( aPayload > pPage->aData ); if( (uptr)(aPayload - pPage->aData) > (pBt->usableSize - pCur->info.nLocal) ){ /* Trying to read or write past the end of the data is an error. The ** conditional above is really: ** &aPayload[pCur->info.nLocal] > &pPage->aData[pBt->usableSize] ** but is recast into its current form to avoid integer overflow problems */ return SQLITE_CORRUPT_PGNO(pPage->pgno); } /* Check if data must be read/written to/from the btree page itself. */ if( offset<pCur->info.nLocal ){ int a = amt; if( a+offset>pCur->info.nLocal ){ a = pCur->info.nLocal - offset; ................................................................................ } if( rc ) break; iIdx++; } } if( rc==SQLITE_OK && amt>0 ){ /* Overflow chain ends prematurely */ return SQLITE_CORRUPT_PGNO(pPage->pgno); } return rc; } /* ** Read part of the payload for the row at which that cursor pCur is currently ** pointing. "amt" bytes will be transferred into pBuf[]. The transfer ................................................................................ ** Earlier versions of SQLite assumed that this test could not fail ** if the root page was already loaded when this function was called (i.e. ** if pCur->iPage>=0). But this is not so if the database is corrupted ** in such a way that page pRoot is linked into a second b-tree table ** (or the freelist). */ assert( pRoot->intKey==1 || pRoot->intKey==0 ); if( pRoot->isInit==0 || (pCur->pKeyInfo==0)!=pRoot->intKey ){ return SQLITE_CORRUPT_PGNO(pCur->apPage[pCur->iPage]->pgno); } skip_init: pCur->ix = 0; pCur->info.nSize = 0; pCur->curFlags &= ~(BTCF_AtLast|BTCF_ValidNKey|BTCF_ValidOvfl); ................................................................................ if( (pCur->curFlags & BTCF_AtLast)!=0 ){ *pRes = -1; return SQLITE_OK; } /* If the requested key is one more than the previous key, then ** try to get there using sqlite3BtreeNext() rather than a full ** binary search. This is an optimization only. The correct answer ** is still obtained without this case, only a little more slowely */ if( pCur->info.nKey+1==intKey && !pCur->skipNext ){ *pRes = 0; rc = sqlite3BtreeNext(pCur, 0); if( rc==SQLITE_OK ){ getCellInfo(pCur); if( pCur->info.nKey==intKey ){ return SQLITE_OK; } }else if( rc==SQLITE_DONE ){ rc = SQLITE_OK; }else{ return rc; } } } } if( pIdxKey ){ xRecordCompare = sqlite3VdbeFindCompare(pIdxKey); ................................................................................ pCur->ix = (u16)idx; if( xRecordCompare==0 ){ for(;;){ i64 nCellKey; pCell = findCellPastPtr(pPage, idx); if( pPage->intKeyLeaf ){ while( 0x80 <= *(pCell++) ){ if( pCell>=pPage->aDataEnd ){ return SQLITE_CORRUPT_PGNO(pPage->pgno); } } } getVarint(pCell, (u64*)&nCellKey); if( nCellKey<intKey ){ lwr = idx+1; if( lwr>upr ){ c = -1; break; } }else if( nCellKey>intKey ){ ................................................................................ pPage->xParseCell(pPage, pCellBody, &pCur->info); nCell = (int)pCur->info.nKey; testcase( nCell<0 ); /* True if key size is 2^32 or more */ testcase( nCell==0 ); /* Invalid key size: 0x80 0x80 0x00 */ testcase( nCell==1 ); /* Invalid key size: 0x80 0x80 0x01 */ testcase( nCell==2 ); /* Minimum legal index key size */ if( nCell<2 ){ rc = SQLITE_CORRUPT_PGNO(pPage->pgno); goto moveto_finish; } pCellKey = sqlite3Malloc( nCell+18 ); if( pCellKey==0 ){ rc = SQLITE_NOMEM_BKPT; goto moveto_finish; } ................................................................................ for(n=1, i=0; i<=pCur->iPage; i++){ n *= pCur->apPage[i]->nCell; } return n; } /* ** Advance the cursor to the next entry in the database. ** Return value: ** ** SQLITE_OK success ** SQLITE_DONE cursor is already pointing at the last element ** otherwise some kind of error occurred ** ** The main entry point is sqlite3BtreeNext(). That routine is optimized ** for the common case of merely incrementing the cell counter BtCursor.aiIdx ** to the next cell on the current page. The (slower) btreeNext() helper ** routine is called when it is necessary to move to a different page or ** to restore the cursor. ** ** If bit 0x01 of the F argument in sqlite3BtreeNext(C,F) is 1, then the ** cursor corresponds to an SQL index and this routine could have been ** skipped if the SQL index had been a unique index. The F argument ** is a hint to the implement. SQLite btree implementation does not use ** this hint, but COMDB2 does. */ static SQLITE_NOINLINE int btreeNext(BtCursor *pCur){ int rc; int idx; MemPage *pPage; assert( cursorOwnsBtShared(pCur) ); assert( pCur->skipNext==0 || pCur->eState!=CURSOR_VALID ); if( pCur->eState!=CURSOR_VALID ){ assert( (pCur->curFlags & BTCF_ValidOvfl)==0 ); rc = restoreCursorPosition(pCur); if( rc!=SQLITE_OK ){ return rc; } if( CURSOR_INVALID==pCur->eState ){ return SQLITE_DONE; } if( pCur->skipNext ){ assert( pCur->eState==CURSOR_VALID || pCur->eState==CURSOR_SKIPNEXT ); pCur->eState = CURSOR_VALID; if( pCur->skipNext>0 ){ pCur->skipNext = 0; return SQLITE_OK; ................................................................................ if( !pPage->leaf ){ rc = moveToChild(pCur, get4byte(&pPage->aData[pPage->hdrOffset+8])); if( rc ) return rc; return moveToLeftmost(pCur); } do{ if( pCur->iPage==0 ){ pCur->eState = CURSOR_INVALID; return SQLITE_DONE; } moveToParent(pCur); pPage = pCur->apPage[pCur->iPage]; }while( pCur->ix>=pPage->nCell ); if( pPage->intKey ){ return sqlite3BtreeNext(pCur, 0); }else{ return SQLITE_OK; } } if( pPage->leaf ){ return SQLITE_OK; }else{ return moveToLeftmost(pCur); } } SQLITE_PRIVATE int sqlite3BtreeNext(BtCursor *pCur, int flags){ MemPage *pPage; UNUSED_PARAMETER( flags ); /* Used in COMDB2 but not native SQLite */ assert( cursorOwnsBtShared(pCur) ); assert( flags==0 || flags==1 ); assert( pCur->skipNext==0 || pCur->eState!=CURSOR_VALID ); pCur->info.nSize = 0; pCur->curFlags &= ~(BTCF_ValidNKey|BTCF_ValidOvfl); if( pCur->eState!=CURSOR_VALID ) return btreeNext(pCur); pPage = pCur->apPage[pCur->iPage]; if( (++pCur->ix)>=pPage->nCell ){ pCur->ix--; return btreeNext(pCur); } if( pPage->leaf ){ return SQLITE_OK; }else{ return moveToLeftmost(pCur); } } /* ** Step the cursor to the back to the previous entry in the database. ** Return values: ** ** SQLITE_OK success ** SQLITE_DONE the cursor is already on the first element of the table ** otherwise some kind of error occurred ** ** The main entry point is sqlite3BtreePrevious(). That routine is optimized ** for the common case of merely decrementing the cell counter BtCursor.aiIdx ** to the previous cell on the current page. The (slower) btreePrevious() ** helper routine is called when it is necessary to move to a different page ** or to restore the cursor. ** ** If bit 0x01 of the F argument to sqlite3BtreePrevious(C,F) is 1, then ** the cursor corresponds to an SQL index and this routine could have been ** skipped if the SQL index had been a unique index. The F argument is a ** hint to the implement. The native SQLite btree implementation does not ** use this hint, but COMDB2 does. */ static SQLITE_NOINLINE int btreePrevious(BtCursor *pCur){ int rc; MemPage *pPage; assert( cursorOwnsBtShared(pCur) ); assert( pCur->skipNext==0 || pCur->eState!=CURSOR_VALID ); assert( (pCur->curFlags & (BTCF_AtLast|BTCF_ValidOvfl|BTCF_ValidNKey))==0 ); assert( pCur->info.nSize==0 ); if( pCur->eState!=CURSOR_VALID ){ rc = restoreCursorPosition(pCur); if( rc!=SQLITE_OK ){ return rc; } if( CURSOR_INVALID==pCur->eState ){ return SQLITE_DONE; } if( pCur->skipNext ){ assert( pCur->eState==CURSOR_VALID || pCur->eState==CURSOR_SKIPNEXT ); pCur->eState = CURSOR_VALID; if( pCur->skipNext<0 ){ pCur->skipNext = 0; return SQLITE_OK; ................................................................................ rc = moveToChild(pCur, get4byte(findCell(pPage, idx))); if( rc ) return rc; rc = moveToRightmost(pCur); }else{ while( pCur->ix==0 ){ if( pCur->iPage==0 ){ pCur->eState = CURSOR_INVALID; return SQLITE_DONE; } moveToParent(pCur); } assert( pCur->info.nSize==0 ); assert( (pCur->curFlags & (BTCF_ValidOvfl))==0 ); pCur->ix--; pPage = pCur->apPage[pCur->iPage]; if( pPage->intKey && !pPage->leaf ){ rc = sqlite3BtreePrevious(pCur, 0); }else{ rc = SQLITE_OK; } } return rc; } SQLITE_PRIVATE int sqlite3BtreePrevious(BtCursor *pCur, int flags){ assert( cursorOwnsBtShared(pCur) ); assert( flags==0 || flags==1 ); assert( pCur->skipNext==0 || pCur->eState!=CURSOR_VALID ); UNUSED_PARAMETER( flags ); /* Used in COMDB2 but not native SQLite */ pCur->curFlags &= ~(BTCF_AtLast|BTCF_ValidOvfl|BTCF_ValidNKey); pCur->info.nSize = 0; if( pCur->eState!=CURSOR_VALID || pCur->ix==0 || pCur->apPage[pCur->iPage]->leaf==0 ){ return btreePrevious(pCur); } pCur->ix--; return SQLITE_OK; } /* ** Allocate a new page from the database file. ................................................................................ /* EVIDENCE-OF: R-59841-13798 The 4-byte big-endian integer at offset 32 ** stores the page number of the first page of the freelist, or zero if ** the freelist is empty. */ iTrunk = get4byte(&pPage1->aData[32]); } testcase( iTrunk==mxPage ); if( iTrunk>mxPage || nSearch++ > n ){ rc = SQLITE_CORRUPT_PGNO(pPrevTrunk ? pPrevTrunk->pgno : 1); }else{ rc = btreeGetUnusedPage(pBt, iTrunk, &pTrunk, 0); } if( rc ){ pTrunk = 0; goto end_allocate_page; } ................................................................................ *pPgno = iTrunk; memcpy(&pPage1->aData[32], &pTrunk->aData[0], 4); *ppPage = pTrunk; pTrunk = 0; TRACE(("ALLOCATE: %d trunk - %d free pages left\n", *pPgno, n-1)); }else if( k>(u32)(pBt->usableSize/4 - 2) ){ /* Value of k is out of range. Database corruption */ rc = SQLITE_CORRUPT_PGNO(iTrunk); goto end_allocate_page; #ifndef SQLITE_OMIT_AUTOVACUUM }else if( searchList && (nearby==iTrunk || (iTrunk<nearby && eMode==BTALLOC_LE)) ){ /* The list is being searched and this trunk page is the page ** to allocate, regardless of whether it has leaves. ................................................................................ /* The trunk page is required by the caller but it contains ** pointers to free-list leaves. The first leaf becomes a trunk ** page in this case. */ MemPage *pNewTrunk; Pgno iNewTrunk = get4byte(&pTrunk->aData[8]); if( iNewTrunk>mxPage ){ rc = SQLITE_CORRUPT_PGNO(iTrunk); goto end_allocate_page; } testcase( iNewTrunk==mxPage ); rc = btreeGetUnusedPage(pBt, iNewTrunk, &pNewTrunk, 0); if( rc!=SQLITE_OK ){ goto end_allocate_page; } ................................................................................ }else{ closest = 0; } iPage = get4byte(&aData[8+closest*4]); testcase( iPage==mxPage ); if( iPage>mxPage ){ rc = SQLITE_CORRUPT_PGNO(iTrunk); goto end_allocate_page; } testcase( iPage==mxPage ); if( !searchList || (iPage==nearby || (iPage<nearby && eMode==BTALLOC_LE)) ){ int noContent; ................................................................................ assert( sqlite3_mutex_held(pPage->pBt->mutex) ); pPage->xParseCell(pPage, pCell, pInfo); if( pInfo->nLocal==pInfo->nPayload ){ return SQLITE_OK; /* No overflow pages. Return without doing anything */ } if( pCell+pInfo->nSize-1 > pPage->aData+pPage->maskPage ){ /* Cell extends past end of page */ return SQLITE_CORRUPT_PGNO(pPage->pgno); } ovflPgno = get4byte(pCell + pInfo->nSize - 4); assert( pBt->usableSize > 4 ); ovflPageSize = pBt->usableSize - 4; nOvfl = (pInfo->nPayload - pInfo->nLocal + ovflPageSize - 1)/ovflPageSize; assert( nOvfl>0 || (CORRUPT_DB && (pInfo->nPayload + ovflPageSize)<ovflPageSize) ................................................................................ ** later on. ** ** But not if we are in secure-delete mode. In secure-delete mode, ** the dropCell() routine will overwrite the entire cell with zeroes. ** In this case, temporarily copy the cell into the aOvflSpace[] ** buffer. It will be copied out again as soon as the aSpace[] buffer ** is allocated. */ if( pBt->btsFlags & BTS_FAST_SECURE ){ int iOff; iOff = SQLITE_PTR_TO_INT(apDiv[i]) - SQLITE_PTR_TO_INT(pParent->aData); if( (iOff+szNew[i])>(int)pBt->usableSize ){ rc = SQLITE_CORRUPT_BKPT; memset(apOld, 0, (i+1)*sizeof(MemPage*)); goto balance_cleanup; ................................................................................ ** the cursor to the largest entry in the tree that is smaller than ** the entry being deleted. This cell will replace the cell being deleted ** from the internal node. The 'previous' entry is used for this instead ** of the 'next' entry, as the previous entry is always a part of the ** sub-tree headed by the child page of the cell being deleted. This makes ** balancing the tree following the delete operation easier. */ if( !pPage->leaf ){ rc = sqlite3BtreePrevious(pCur, 0); assert( rc!=SQLITE_DONE ); if( rc ) return rc; } /* Save the positions of any other cursors open on this table before ** making any modifications. */ if( pCur->curFlags & BTCF_Multiple ){ rc = saveAllCursors(pBt, pCur->pgnoRoot, pCur); ................................................................................ ** Check invariants on a Mem object. ** ** This routine is intended for use inside of assert() statements, like ** this: assert( sqlite3VdbeCheckMemInvariants(pMem) ); */ SQLITE_PRIVATE int sqlite3VdbeCheckMemInvariants(Mem *p){ /* If MEM_Dyn is set then Mem.xDel!=0. ** Mem.xDel might not be initialized if MEM_Dyn is clear. */ assert( (p->flags & MEM_Dyn)==0 || p->xDel!=0 ); /* MEM_Dyn may only be set if Mem.szMalloc==0. In this way we ** ensure that if Mem.szMalloc>0 then it is safe to do ** Mem.z = Mem.zMalloc without having to check Mem.flags&MEM_Dyn. ** That saves a few cycles in inner loops. */ assert( (p->flags & MEM_Dyn)==0 || p->szMalloc==0 ); /* Cannot be both MEM_Int and MEM_Real at the same time */ assert( (p->flags & (MEM_Int|MEM_Real))!=(MEM_Int|MEM_Real) ); if( p->flags & MEM_Null ){ /* Cannot be both MEM_Null and some other type */ assert( (p->flags & (MEM_Int|MEM_Real|MEM_Str|MEM_Blob |MEM_RowSet|MEM_Frame|MEM_Agg|MEM_Zero))==0 ); /* If MEM_Null is set, then either the value is a pure NULL (the usual ** case) or it is a pointer set using sqlite3_bind_pointer() or ** sqlite3_result_pointer(). If a pointer, then MEM_Term must also be ** set. */ if( (p->flags & (MEM_Term|MEM_Subtype))==(MEM_Term|MEM_Subtype) ){ /* This is a pointer type. There may be a flag to indicate what to ** do with the pointer. */ assert( ((p->flags&MEM_Dyn)!=0 ? 1 : 0) + ((p->flags&MEM_Ephem)!=0 ? 1 : 0) + ((p->flags&MEM_Static)!=0 ? 1 : 0) <= 1 ); /* No other bits set */ assert( (p->flags & ~(MEM_Null|MEM_Term|MEM_Subtype |MEM_Dyn|MEM_Ephem|MEM_Static))==0 ); }else{ /* A pure NULL might have other flags, such as MEM_Static, MEM_Dyn, ** MEM_Ephem, MEM_Cleared, or MEM_Subtype */ } }else{ /* The MEM_Cleared bit is only allowed on NULLs */ assert( (p->flags & MEM_Cleared)==0 ); } /* The szMalloc field holds the correct memory allocation size */ assert( p->szMalloc==0 || p->szMalloc==sqlite3DbMallocSize(p->db,p->zMalloc) ); /* If p holds a string or blob, the Mem.z must point to exactly ** one of the following: ................................................................................ if( VdbeMemDynamic(pMem) ){ vdbeReleaseAndSetInt64(pMem, val); }else{ pMem->u.i = val; pMem->flags = MEM_Int; } } /* A no-op destructor */ static void sqlite3NoopDestructor(void *p){ UNUSED_PARAMETER(p); } /* ** Set the value stored in *pMem should already be a NULL. ** Also store a pointer to go with it. */ SQLITE_PRIVATE void sqlite3VdbeMemSetPointer( Mem *pMem, void *pPtr, const char *zPType, void (*xDestructor)(void*) ){ assert( pMem->flags==MEM_Null ); pMem->u.zPType = zPType ? zPType : ""; pMem->z = pPtr; pMem->flags = MEM_Null|MEM_Dyn|MEM_Subtype|MEM_Term; pMem->eSubtype = 'p'; pMem->xDel = xDestructor ? xDestructor : sqlite3NoopDestructor; } #ifndef SQLITE_OMIT_FLOATING_POINT /* ** Delete any previous value and set the value stored in *pMem to val, ** manifest type REAL. */ SQLITE_PRIVATE void sqlite3VdbeMemSetDouble(Mem *pMem, double val){ ................................................................................ } if( pVal->flags & (MEM_Int|MEM_Real) ) pVal->flags &= ~MEM_Str; if( enc!=SQLITE_UTF8 ){ rc = sqlite3VdbeChangeEncoding(pVal, enc); } }else if( op==TK_UMINUS ) { /* This branch happens for multiple negative signs. Ex: -(-5) */ if( SQLITE_OK==valueFromExpr(db,pExpr->pLeft,enc,affinity,&pVal,pCtx) && pVal!=0 ){ sqlite3VdbeMemNumerify(pVal); if( pVal->flags & MEM_Real ){ pVal->u.r = -pVal->u.r; }else if( pVal->u.i==SMALLEST_INT64 ){ pVal->u.r = -(double)SMALLEST_INT64; ................................................................................ int rc = SQLITE_OK; sqlite3_value *pVal = 0; sqlite3 *db = pParse->db; /* Skip over any TK_COLLATE nodes */ pExpr = sqlite3ExprSkipCollate(pExpr); assert( pExpr==0 || pExpr->op!=TK_REGISTER || pExpr->op2!=TK_VARIABLE ); if( !pExpr ){ pVal = valueNew(db, pAlloc); if( pVal ){ sqlite3VdbeMemSetNull((Mem*)pVal); } }else if( pExpr->op==TK_VARIABLE && (db->flags & SQLITE_EnableQPSG)==0 ){ Vdbe *v; int iBindVar = pExpr->iColumn; sqlite3VdbeSetVarmask(pParse->pVdbe, iBindVar); if( (v = pParse->pReprepare)!=0 ){ pVal = valueNew(db, pAlloc); if( pVal ){ rc = sqlite3VdbeMemCopy((Mem*)pVal, &v->aVar[iBindVar-1]); sqlite3ValueApplyAffinity(pVal, affinity, ENC(db)); pVal->db = pParse->db; } } }else{ rc = valueFromExpr(db, pExpr, ENC(db), affinity, &pVal, pAlloc); } ................................................................................ p->zErrMsg = sqlite3VMPrintf(p->db, zFormat, ap); va_end(ap); } /* ** Remember the SQL string for a prepared statement. */ SQLITE_PRIVATE void sqlite3VdbeSetSql(Vdbe *p, const char *z, int n, u8 prepFlags){ if( p==0 ) return; p->prepFlags = prepFlags; if( (prepFlags & SQLITE_PREPARE_SAVESQL)==0 ){ p->expmask = 0; } assert( p->zSql==0 ); p->zSql = sqlite3DbStrNDup(p->db, z, n); } /* ** Swap all content between two VDBE structures. */ SQLITE_PRIVATE void sqlite3VdbeSwap(Vdbe *pA, Vdbe *pB){ Vdbe tmp, *pTmp; ................................................................................ pB->pNext = pTmp; pTmp = pA->pPrev; pA->pPrev = pB->pPrev; pB->pPrev = pTmp; zTmp = pA->zSql; pA->zSql = pB->zSql; pB->zSql = zTmp; pB->expmask = pA->expmask; pB->prepFlags = pA->prepFlags; memcpy(pB->aCounter, pA->aCounter, sizeof(pB->aCounter)); pB->aCounter[SQLITE_STMTSTATUS_REPREPARE]++; } /* ** Resize the Vdbe.aOp array so that it is at least nOp elements larger ** than its current size. nOp is guaranteed to be less than or equal ** to 1024/sizeof(Op). ** ................................................................................ /* ** Generate code that initializes multiple registers to string or integer ** constants. The registers begin with iDest and increase consecutively. ** One register is initialized for each characgter in zTypes[]. For each ** "s" character in zTypes[], the register is a string if the argument is ** not NULL, or OP_Null if the value is a null pointer. For each "i" character ** in zTypes[], the register is initialized to an integer. ** ** If the input string does not end with "X" then an OP_ResultRow instruction ** is generated for the values inserted. */ SQLITE_PRIVATE void sqlite3VdbeMultiLoad(Vdbe *p, int iDest, const char *zTypes, ...){ va_list ap; int i; char c; va_start(ap, zTypes); for(i=0; (c = zTypes[i])!=0; i++){ if( c=='s' ){ const char *z = va_arg(ap, const char*); sqlite3VdbeAddOp4(p, z==0 ? OP_Null : OP_String8, 0, iDest+i, 0, z, 0); }else if( c=='i' ){ sqlite3VdbeAddOp2(p, OP_Integer, va_arg(ap, int), iDest+i); }else{ goto skip_op_resultrow; } } sqlite3VdbeAddOp2(p, OP_ResultRow, iDest, i); skip_op_resultrow: va_end(ap); } /* ** Add an opcode that includes the p4 value as a pointer. */ SQLITE_PRIVATE int sqlite3VdbeAddOp4( ................................................................................ ** opcodes contained within. If aOp is not NULL it is assumed to contain ** nOp entries. */ static void vdbeFreeOpArray(sqlite3 *db, Op *aOp, int nOp){ if( aOp ){ Op *pOp; for(pOp=&aOp[nOp-1]; pOp>=aOp; pOp--){ if( pOp->p4type <= P4_FREE_IF_LE ) freeP4(db, pOp->p4type, pOp->p4.p); #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS sqlite3DbFree(db, pOp->zComment); #endif } sqlite3DbFreeNN(db, aOp); } } ................................................................................ /* ** Set the number of result columns that will be returned by this SQL ** statement. This is now set at compile time, rather than during ** execution of the vdbe program so that sqlite3_column_count() can ** be called on an SQL statement before sqlite3_step(). */ SQLITE_PRIVATE void sqlite3VdbeSetNumCols(Vdbe *p, int nResColumn){ int n; sqlite3 *db = p->db; if( p->nResColumn ){ releaseMemArray(p->aColName, p->nResColumn*COLNAME_N); sqlite3DbFree(db, p->aColName); } n = nResColumn*COLNAME_N; p->nResColumn = (u16)nResColumn; p->aColName = (Mem*)sqlite3DbMallocRawNN(db, sizeof(Mem)*n ); if( p->aColName==0 ) return; initMemArray(p->aColName, n, db, MEM_Null); } /* ** Set the name of the idx'th column to be returned by the SQL statement. ** zName must be a pointer to a nul terminated string. ** ** This call must be made after a call to sqlite3VdbeSetNumCols(). ................................................................................ if( p->zErrMsg ){ db->bBenignMalloc++; sqlite3BeginBenignMalloc(); if( db->pErr==0 ) db->pErr = sqlite3ValueNew(db); sqlite3ValueSetStr(db->pErr, -1, p->zErrMsg, SQLITE_UTF8, SQLITE_TRANSIENT); sqlite3EndBenignMalloc(); db->bBenignMalloc--; }else if( db->pErr ){ sqlite3ValueSetNull(db->pErr); } db->errCode = rc; return rc; } #ifdef SQLITE_ENABLE_SQLLOG /* ** If an SQLITE_CONFIG_SQLLOG hook is registered and the VM has been run, ** invoke it. ................................................................................ if( pMem1->enc==pColl->enc ){ /* The strings are already in the correct encoding. Call the ** comparison function directly */ return pColl->xCmp(pColl->pUser,pMem1->n,pMem1->z,pMem2->n,pMem2->z); }else{ int rc; const void *v1, *v2; Mem c1; Mem c2; sqlite3VdbeMemInit(&c1, pMem1->db, MEM_Null); sqlite3VdbeMemInit(&c2, pMem1->db, MEM_Null); sqlite3VdbeMemShallowCopy(&c1, pMem1, MEM_Ephem); sqlite3VdbeMemShallowCopy(&c2, pMem2, MEM_Ephem); v1 = sqlite3ValueText((sqlite3_value*)&c1, pColl->enc); v2 = sqlite3ValueText((sqlite3_value*)&c2, pColl->enc); if( (v1==0 || v2==0) ){ if( prcErr ) *prcErr = SQLITE_NOMEM_BKPT; rc = 0; }else{ rc = pColl->xCmp(pColl->pUser, c1.n, v1, c2.n, v2); } sqlite3VdbeMemRelease(&c1); sqlite3VdbeMemRelease(&c2); return rc; } } /* ................................................................................ /* ** Return the database associated with the Vdbe. */ SQLITE_PRIVATE sqlite3 *sqlite3VdbeDb(Vdbe *v){ return v->db; } /* ** Return the SQLITE_PREPARE flags for a Vdbe. */ SQLITE_PRIVATE u8 sqlite3VdbePrepareFlags(Vdbe *v){ return v->prepFlags; } /* ** Return a pointer to an sqlite3_value structure containing the value bound ** parameter iVar of VM v. Except, if the value is an SQL NULL, return ** 0 instead. Unless it is NULL, apply affinity aff (one of the SQLITE_AFF_* ** constants) to the value before returning it. ** ** The returned value must be freed by the caller using sqlite3ValueFree(). */ SQLITE_PRIVATE sqlite3_value *sqlite3VdbeGetBoundValue(Vdbe *v, int iVar, u8 aff){ assert( iVar>0 ); if( v ){ Mem *pMem = &v->aVar[iVar-1]; assert( (v->db->flags & SQLITE_EnableQPSG)==0 ); if( 0==(pMem->flags & MEM_Null) ){ sqlite3_value *pRet = sqlite3ValueNew(v->db); if( pRet ){ sqlite3VdbeMemCopy((Mem *)pRet, pMem); sqlite3ValueApplyAffinity(pRet, aff, SQLITE_UTF8); } return pRet; ................................................................................ /* ** Configure SQL variable iVar so that binding a new value to it signals ** to sqlite3_reoptimize() that re-preparing the statement may result ** in a better query plan. */ SQLITE_PRIVATE void sqlite3VdbeSetVarmask(Vdbe *v, int iVar){ assert( iVar>0 ); assert( (v->db->flags & SQLITE_EnableQPSG)==0 ); if( iVar>=32 ){ v->expmask |= 0x80000000; }else{ v->expmask |= ((u32)1 << (iVar-1)); } } /* ** Cause a function to throw an error if it was call from OP_PureFunc ** rather than OP_Function. ** ** OP_PureFunc means that the function must be deterministic, and should ** throw an error if it is given inputs that would make it non-deterministic. ** This routine is invoked by date/time functions that use non-deterministic ** features such as 'now'. */ SQLITE_PRIVATE int sqlite3NotPureFunc(sqlite3_context *pCtx){ #ifdef SQLITE_ENABLE_STAT3_OR_STAT4 if( pCtx->pVdbe==0 ) return 1; #endif if( pCtx->pVdbe->aOp[pCtx->iOp].opcode==OP_PureFunc ){ sqlite3_result_error(pCtx, "non-deterministic function in index expression or CHECK constraint", -1); return 0; } return 1; } #ifndef SQLITE_OMIT_VIRTUALTABLE /* ** Transfer error message text from an sqlite3_vtab.zErrMsg (text stored ** in memory obtained from sqlite3_malloc) into a Vdbe.zErrMsg (text stored ** in memory obtained from sqlite3DbMalloc). */ ................................................................................ sqlite3_mutex *mutex = ((Vdbe*)pStmt)->db->mutex; #endif sqlite3_mutex_enter(mutex); for(i=0; i<p->nVar; i++){ sqlite3VdbeMemRelease(&p->aVar[i]); p->aVar[i].flags = MEM_Null; } assert( (p->prepFlags & SQLITE_PREPARE_SAVESQL)!=0 || p->expmask==0 ); if( p->expmask ){ p->expired = 1; } sqlite3_mutex_leave(mutex); return rc; } ................................................................................ } SQLITE_API sqlite_int64 sqlite3_value_int64(sqlite3_value *pVal){ return sqlite3VdbeIntValue((Mem*)pVal); } SQLITE_API unsigned int sqlite3_value_subtype(sqlite3_value *pVal){ Mem *pMem = (Mem*)pVal; return ((pMem->flags & MEM_Subtype) ? pMem->eSubtype : 0); } SQLITE_API void *sqlite3_value_pointer(sqlite3_value *pVal, const char *zPType){ Mem *p = (Mem*)pVal; if( (p->flags&(MEM_TypeMask|MEM_Term|MEM_Subtype)) == (MEM_Null|MEM_Term|MEM_Subtype) && zPType!=0 && p->eSubtype=='p' && strcmp(p->u.zPType, zPType)==0 ){ return (void*)p->z; }else{ return 0; } } SQLITE_API const unsigned char *sqlite3_value_text(sqlite3_value *pVal){ return (const unsigned char *)sqlite3ValueText(pVal, SQLITE_UTF8); } #ifndef SQLITE_OMIT_UTF16 SQLITE_API const void *sqlite3_value_text16(sqlite3_value* pVal){ return sqlite3ValueText(pVal, SQLITE_UTF16NATIVE); ................................................................................ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetInt64(pCtx->pOut, iVal); } SQLITE_API void sqlite3_result_null(sqlite3_context *pCtx){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetNull(pCtx->pOut); } SQLITE_API void sqlite3_result_pointer( sqlite3_context *pCtx, void *pPtr, const char *zPType, void (*xDestructor)(void*) ){ Mem *pOut = pCtx->pOut; assert( sqlite3_mutex_held(pOut->db->mutex) ); sqlite3VdbeMemSetNull(pOut); sqlite3VdbeMemSetPointer(pOut, pPtr, zPType, xDestructor); } SQLITE_API void sqlite3_result_subtype(sqlite3_context *pCtx, unsigned int eSubtype){ Mem *pOut = pCtx->pOut; assert( sqlite3_mutex_held(pOut->db->mutex) ); pOut->eSubtype = eSubtype & 0xff; pOut->flags |= MEM_Subtype; } SQLITE_API void sqlite3_result_text( ................................................................................ ** contains the value that would be returned if sqlite3_finalize() ** were called on statement p. */ assert( rc==SQLITE_ROW || rc==SQLITE_DONE || rc==SQLITE_ERROR || (rc&0xff)==SQLITE_BUSY || rc==SQLITE_MISUSE ); assert( (p->rc!=SQLITE_ROW && p->rc!=SQLITE_DONE) || p->rc==p->rcApp ); if( (p->prepFlags & SQLITE_PREPARE_SAVESQL)!=0 && rc!=SQLITE_ROW && rc!=SQLITE_DONE ){ /* If this statement was prepared using saved SQL and an ** error has occurred, then return the error code in p->rc to the ** caller. Set the error code in the database handle to the same value. */ rc = sqlite3VdbeTransferError(p); } return (rc&db->errMask); } ................................................................................ ** ** IMPLEMENTATION-OF: R-48440-37595 If the specific value bound to host ** parameter in the WHERE clause might influence the choice of query plan ** for a statement, then the statement will be automatically recompiled, ** as if there had been a schema change, on the first sqlite3_step() call ** following any change to the bindings of that parameter. */ assert( (p->prepFlags & SQLITE_PREPARE_SAVESQL)!=0 || p->expmask==0 ); if( p->expmask!=0 && (p->expmask & (i>=31 ? 0x80000000 : (u32)1<<i))!=0 ){ p->expired = 1; } return SQLITE_OK; } /* ................................................................................ if( rc==SQLITE_OK ){ if( zData!=0 ){ pVar = &p->aVar[i-1]; rc = sqlite3VdbeMemSetStr(pVar, zData, nData, encoding, xDel); if( rc==SQLITE_OK && encoding!=0 ){ rc = sqlite3VdbeChangeEncoding(pVar, ENC(p->db)); } if( rc ){ sqlite3Error(p->db, rc); rc = sqlite3ApiExit(p->db, rc); } } sqlite3_mutex_leave(p->db->mutex); }else if( xDel!=SQLITE_STATIC && xDel!=SQLITE_TRANSIENT ){ xDel((void*)zData); } return rc; } ................................................................................ int rc; Vdbe *p = (Vdbe*)pStmt; rc = vdbeUnbind(p, i); if( rc==SQLITE_OK ){ sqlite3_mutex_leave(p->db->mutex); } return rc; } SQLITE_API int sqlite3_bind_pointer( sqlite3_stmt *pStmt, int i, void *pPtr, const char *zPTtype, void (*xDestructor)(void*) ){ int rc; Vdbe *p = (Vdbe*)pStmt; rc = vdbeUnbind(p, i); if( rc==SQLITE_OK ){ sqlite3VdbeMemSetPointer(&p->aVar[i-1], pPtr, zPTtype, xDestructor); sqlite3_mutex_leave(p->db->mutex); }else if( xDestructor ){ xDestructor(pPtr); } return rc; } SQLITE_API int sqlite3_bind_text( sqlite3_stmt *pStmt, int i, const char *zData, int nData, void (*xDel)(void*) ................................................................................ */ SQLITE_API int sqlite3_transfer_bindings(sqlite3_stmt *pFromStmt, sqlite3_stmt *pToStmt){ Vdbe *pFrom = (Vdbe*)pFromStmt; Vdbe *pTo = (Vdbe*)pToStmt; if( pFrom->nVar!=pTo->nVar ){ return SQLITE_ERROR; } assert( (pTo->prepFlags & SQLITE_PREPARE_SAVESQL)!=0 || pTo->expmask==0 ); if( pTo->expmask ){ pTo->expired = 1; } assert( (pFrom->prepFlags & SQLITE_PREPARE_SAVESQL)!=0 || pFrom->expmask==0 ); if( pFrom->expmask ){ pFrom->expired = 1; } return sqlite3TransferBindings(pFromStmt, pToStmt); } #endif ................................................................................ u32 v; #ifdef SQLITE_ENABLE_API_ARMOR if( !pStmt ){ (void)SQLITE_MISUSE_BKPT; return 0; } #endif if( op==SQLITE_STMTSTATUS_MEMUSED ){ sqlite3 *db = pVdbe->db; sqlite3_mutex_enter(db->mutex); v = 0; db->pnBytesFreed = (int*)&v; sqlite3VdbeClearObject(db, pVdbe); sqlite3DbFree(db, pVdbe); db->pnBytesFreed = 0; sqlite3_mutex_leave(db->mutex); }else{ v = pVdbe->aCounter[op]; if( resetFlag ) pVdbe->aCounter[op] = 0; } return (int)v; } /* ** Return the SQL associated with a prepared statement */ SQLITE_API const char *sqlite3_sql(sqlite3_stmt *pStmt){ ................................................................................ int rc = SQLITE_OK; /* Value to return */ sqlite3 *db = p->db; /* The database */ u8 resetSchemaOnFault = 0; /* Reset schema after an error if positive */ u8 encoding = ENC(db); /* The database encoding */ int iCompare = 0; /* Result of last comparison */ unsigned nVmStep = 0; /* Number of virtual machine steps */ #ifndef SQLITE_OMIT_PROGRESS_CALLBACK unsigned nProgressLimit; /* Invoke xProgress() when nVmStep reaches this */ #endif Mem *aMem = p->aMem; /* Copy of p->aMem */ Mem *pIn1 = 0; /* 1st input operand */ Mem *pIn2 = 0; /* 2nd input operand */ Mem *pIn3 = 0; /* 3rd input operand */ Mem *pOut = 0; /* Output operand */ #ifdef VDBE_PROFILE ................................................................................ if( db->u1.isInterrupted ) goto abort_due_to_interrupt; sqlite3VdbeIOTraceSql(p); #ifndef SQLITE_OMIT_PROGRESS_CALLBACK if( db->xProgress ){ u32 iPrior = p->aCounter[SQLITE_STMTSTATUS_VM_STEP]; assert( 0 < db->nProgressOps ); nProgressLimit = db->nProgressOps - (iPrior % db->nProgressOps); }else{ nProgressLimit = 0xffffffff; } #endif #ifdef SQLITE_DEBUG sqlite3BeginBenignMalloc(); if( p->pc==0 && (p->db->flags & (SQLITE_VdbeListing|SQLITE_VdbeEQP|SQLITE_VdbeTrace))!=0 ){ ................................................................................ #ifndef SQLITE_OMIT_PROGRESS_CALLBACK /* Call the progress callback if it is configured and the required number ** of VDBE ops have been executed (either since this invocation of ** sqlite3VdbeExec() or since last time the progress callback was called). ** If the progress callback returns non-zero, exit the virtual machine with ** a return code SQLITE_ABORT. */ if( nVmStep>=nProgressLimit && db->xProgress!=0 ){ assert( db->nProgressOps!=0 ); nProgressLimit = nVmStep + db->nProgressOps - (nVmStep%db->nProgressOps); if( db->xProgress(db->pProgressArg) ){ rc = SQLITE_INTERRUPT; goto abort_due_to_error; } } ................................................................................ assert( pOp->p1>0 ); assert( pOp->p1+pOp->p2<=(p->nMem+1 - p->nCursor)+1 ); #ifndef SQLITE_OMIT_PROGRESS_CALLBACK /* Run the progress counter just before returning. */ if( db->xProgress!=0 && nVmStep>=nProgressLimit && db->xProgress(db->pProgressArg)!=0 ){ rc = SQLITE_INTERRUPT; goto abort_due_to_error; } #endif ................................................................................ assert( pOp->p4type==P4_COLLSEQ ); if( pOp->p1 ){ sqlite3VdbeMemSetInt64(&aMem[pOp->p1], 0); } break; } /* Opcode: BitAnd P1 P2 P3 * * ** Synopsis: r[P3]=r[P1]&r[P2] ** ** Take the bit-wise AND of the values in register P1 and P2 and ** store the result in register P3. ** If either input is NULL, the result is NULL. */ ................................................................................ u32 avail; /* Number of bytes of available data */ u32 t; /* A type code from the record header */ Mem *pReg; /* PseudoTable input register */ pC = p->apCsr[pOp->p1]; p2 = pOp->p2; /* If the cursor cache is stale (meaning it is not currently point at ** the correct row) then bring it up-to-date by doing the necessary ** B-Tree seek. */ rc = sqlite3VdbeCursorMoveto(&pC, &p2); if( rc ) goto abort_due_to_error; assert( pOp->p3>0 && pOp->p3<=(p->nMem+1 - p->nCursor) ); pDest = &aMem[pOp->p3]; memAboutToChange(p, pDest); assert( pOp->p1>=0 && pOp->p1<p->nCursor ); ................................................................................ pC->cacheStatus = CACHE_STALE; #ifdef SQLITE_TEST sqlite3_search_count++; #endif if( oc>=OP_SeekGE ){ assert( oc==OP_SeekGE || oc==OP_SeekGT ); if( res<0 || (res==0 && oc==OP_SeekGT) ){ res = 0; rc = sqlite3BtreeNext(pC->uc.pCursor, 0); if( rc!=SQLITE_OK ){ if( rc==SQLITE_DONE ){ rc = SQLITE_OK; res = 1; }else{ goto abort_due_to_error; } } }else{ res = 0; } }else{ assert( oc==OP_SeekLT || oc==OP_SeekLE ); if( res>0 || (res==0 && oc==OP_SeekLT) ){ res = 0; rc = sqlite3BtreePrevious(pC->uc.pCursor, 0); if( rc!=SQLITE_OK ){ if( rc==SQLITE_DONE ){ rc = SQLITE_OK; res = 1; }else{ goto abort_due_to_error; } } }else{ /* res might be negative because the table is empty. Check to ** see if this is the case. */ res = sqlite3BtreeEof(pC->uc.pCursor); } } ................................................................................ ** This opcode works just like OP_Next except that P1 must be a ** sorter object for which the OP_SorterSort opcode has been ** invoked. This opcode advances the cursor to the next sorted ** record, or jumps to P2 if there are no more sorted records. */ case OP_SorterNext: { /* jump */ VdbeCursor *pC; pC = p->apCsr[pOp->p1]; assert( isSorter(pC) ); rc = sqlite3VdbeSorterNext(db, pC); goto next_tail; case OP_PrevIfOpen: /* jump */ case OP_NextIfOpen: /* jump */ if( p->apCsr[pOp->p1]==0 ) break; /* Fall through */ case OP_Prev: /* jump */ case OP_Next: /* jump */ assert( pOp->p1>=0 && pOp->p1<p->nCursor ); assert( pOp->p5<ArraySize(p->aCounter) ); pC = p->apCsr[pOp->p1]; assert( pC!=0 ); assert( pC->deferredMoveto==0 ); assert( pC->eCurType==CURTYPE_BTREE ); assert( pOp->opcode!=OP_Next || pOp->p4.xAdvance==sqlite3BtreeNext ); assert( pOp->opcode!=OP_Prev || pOp->p4.xAdvance==sqlite3BtreePrevious ); assert( pOp->opcode!=OP_NextIfOpen || pOp->p4.xAdvance==sqlite3BtreeNext ); assert( pOp->opcode!=OP_PrevIfOpen || pOp->p4.xAdvance==sqlite3BtreePrevious); /* The Next opcode is only used after SeekGT, SeekGE, and Rewind. ** The Prev opcode is only used after SeekLT, SeekLE, and Last. */ ................................................................................ assert( pOp->opcode!=OP_Next || pOp->opcode!=OP_NextIfOpen || pC->seekOp==OP_SeekGT || pC->seekOp==OP_SeekGE || pC->seekOp==OP_Rewind || pC->seekOp==OP_Found); assert( pOp->opcode!=OP_Prev || pOp->opcode!=OP_PrevIfOpen || pC->seekOp==OP_SeekLT || pC->seekOp==OP_SeekLE || pC->seekOp==OP_Last ); rc = pOp->p4.xAdvance(pC->uc.pCursor, pOp->p3); next_tail: pC->cacheStatus = CACHE_STALE; VdbeBranchTaken(rc==SQLITE_OK,2); if( rc==SQLITE_OK ){ pC->nullRow = 0; p->aCounter[pOp->p5]++; #ifdef SQLITE_TEST sqlite3_search_count++; #endif goto jump_to_p2_and_check_for_interrupt; } if( rc!=SQLITE_DONE ) goto abort_due_to_error; rc = SQLITE_OK; pC->nullRow = 1; goto check_for_interrupt; } /* Opcode: IdxInsert P1 P2 P3 P4 P5 ** Synopsis: key=r[P2] ** ** Register P2 holds an SQL index key made using the ................................................................................ } assert( pC->deferredMoveto==0 ); pC->cacheStatus = CACHE_STALE; pC->seekResult = 0; break; } /* Opcode: DeferredSeek P1 * P3 P4 * ** Synopsis: Move P3 to P1.rowid if needed ** ** P1 is an open index cursor and P3 is a cursor on the corresponding ** table. This opcode does a deferred seek of the P3 table cursor ** to the row that corresponds to the current row of P1. ** ** This is a deferred seek. Nothing actually happens until ** the cursor is used to read a record. That way, if no reads ................................................................................ ** ** Write into register P2 an integer which is the last entry in the record at ** the end of the index key pointed to by cursor P1. This integer should be ** the rowid of the table entry to which this index entry points. ** ** See also: Rowid, MakeRecord. */ case OP_DeferredSeek: case OP_IdxRowid: { /* out2 */ VdbeCursor *pC; /* The P1 index cursor */ VdbeCursor *pTabCur; /* The P2 table cursor (OP_DeferredSeek only) */ i64 rowid; /* Rowid that P1 current points to */ assert( pOp->p1>=0 && pOp->p1<p->nCursor ); pC = p->apCsr[pOp->p1]; assert( pC!=0 ); assert( pC->eCurType==CURTYPE_BTREE ); assert( pC->uc.pCursor!=0 ); assert( pC->isTable==0 ); ................................................................................ if( !pC->nullRow ){ rowid = 0; /* Not needed. Only used to silence a warning. */ rc = sqlite3VdbeIdxRowid(db, pC->uc.pCursor, &rowid); if( rc!=SQLITE_OK ){ goto abort_due_to_error; } if( pOp->opcode==OP_DeferredSeek ){ assert( pOp->p3>=0 && pOp->p3<p->nCursor ); pTabCur = p->apCsr[pOp->p3]; assert( pTabCur!=0 ); assert( pTabCur->eCurType==CURTYPE_BTREE ); assert( pTabCur->uc.pCursor!=0 ); assert( pTabCur->isTable ); pTabCur->nullRow = 0; ................................................................................ ** P2 contains the root-page of the table to lock. ** ** P4 contains a pointer to the name of the table being locked. This is only ** used to generate an error message if the lock cannot be obtained. */ case OP_TableLock: { u8 isWriteLock = (u8)pOp->p3; if( isWriteLock || 0==(db->flags&SQLITE_ReadUncommit) ){ int p1 = pOp->p1; assert( p1>=0 && p1<db->nDb ); assert( DbMaskTest(p->btreeMask, p1) ); assert( isWriteLock==0 || isWriteLock==1 ); rc = sqlite3BtreeLockTable(db->aDb[p1].pBt, pOp->p2, isWriteLock); if( rc ){ if( (rc&0xFF)==SQLITE_LOCKED ){ ................................................................................ if( newMax < (unsigned)pOp->p3 ) newMax = (unsigned)pOp->p3; } pOut->u.i = sqlite3BtreeMaxPageCount(pBt, newMax); break; } #endif /* Opcode: Function0 P1 P2 P3 P4 P5 ** Synopsis: r[P3]=func(r[P2@P5]) ** ** Invoke a user function (P4 is a pointer to a FuncDef object that ** defines the function) with P5 arguments taken from register P2 and ** successors. The result of the function is stored in register P3. ** Register P3 must not be one of the function inputs. ** ** P1 is a 32-bit bitmask indicating whether or not each argument to the ** function was determined to be constant at compile time. If the first ** argument was constant then bit 0 of P1 is set. This is used to determine ** whether meta data associated with a user function argument using the ** sqlite3_set_auxdata() API may be safely retained until the next ** invocation of this opcode. ** ** See also: Function, AggStep, AggFinal */ /* Opcode: Function P1 P2 P3 P4 P5 ** Synopsis: r[P3]=func(r[P2@P5]) ** ** Invoke a user function (P4 is a pointer to an sqlite3_context object that ** contains a pointer to the function to be run) with P5 arguments taken ** from register P2 and successors. The result of the function is stored ** in register P3. Register P3 must not be one of the function inputs. ** ** P1 is a 32-bit bitmask indicating whether or not each argument to the ** function was determined to be constant at compile time. If the first ** argument was constant then bit 0 of P1 is set. This is used to determine ** whether meta data associated with a user function argument using the ** sqlite3_set_auxdata() API may be safely retained until the next ** invocation of this opcode. ** ** SQL functions are initially coded as OP_Function0 with P4 pointing ** to a FuncDef object. But on first evaluation, the P4 operand is ** automatically converted into an sqlite3_context object and the operation ** changed to this OP_Function opcode. In this way, the initialization of ** the sqlite3_context object occurs only once, rather than once for each ** evaluation of the function. ** ** See also: Function0, AggStep, AggFinal */ case OP_PureFunc0: case OP_Function0: { int n; sqlite3_context *pCtx; assert( pOp->p4type==P4_FUNCDEF ); n = pOp->p5; assert( pOp->p3>0 && pOp->p3<=(p->nMem+1 - p->nCursor) ); assert( n==0 || (pOp->p2>0 && pOp->p2+n<=(p->nMem+1 - p->nCursor)+1) ); assert( pOp->p3<pOp->p2 || pOp->p3>=pOp->p2+n ); pCtx = sqlite3DbMallocRawNN(db, sizeof(*pCtx) + (n-1)*sizeof(sqlite3_value*)); if( pCtx==0 ) goto no_mem; pCtx->pOut = 0; pCtx->pFunc = pOp->p4.pFunc; pCtx->iOp = (int)(pOp - aOp); pCtx->pVdbe = p; pCtx->argc = n; pOp->p4type = P4_FUNCCTX; pOp->p4.pCtx = pCtx; assert( OP_PureFunc == OP_PureFunc0+2 ); assert( OP_Function == OP_Function0+2 ); pOp->opcode += 2; /* Fall through into OP_Function */ } case OP_PureFunc: case OP_Function: { int i; sqlite3_context *pCtx; assert( pOp->p4type==P4_FUNCCTX ); pCtx = pOp->p4.pCtx; /* If this function is inside of a trigger, the register array in aMem[] ** might change from one evaluation to the next. The next block of code ** checks to see if the register array has changed, and if so it ** reinitializes the relavant parts of the sqlite3_context object */ pOut = &aMem[pOp->p3]; if( pCtx->pOut != pOut ){ pCtx->pOut = pOut; for(i=pCtx->argc-1; i>=0; i--) pCtx->argv[i] = &aMem[pOp->p2+i]; } memAboutToChange(p, pOut); #ifdef SQLITE_DEBUG for(i=0; i<pCtx->argc; i++){ assert( memIsValid(pCtx->argv[i]) ); REGISTER_TRACE(pOp->p2+i, pCtx->argv[i]); } #endif MemSetTypeFlag(pOut, MEM_Null); pCtx->fErrorOrAux = 0; (*pCtx->pFunc->xSFunc)(pCtx, pCtx->argc, pCtx->argv);/* IMP: R-24505-23230 */ /* If the function returned an error, throw an exception */ if( pCtx->fErrorOrAux ){ if( pCtx->isError ){ sqlite3VdbeError(p, "%s", sqlite3_value_text(pOut)); rc = pCtx->isError; } sqlite3VdbeDeleteAuxData(db, &p->pAuxData, pCtx->iOp, pOp->p1); if( rc ) goto abort_due_to_error; } /* Copy the result of the function into register P3 */ if( pOut->flags & (MEM_Str|MEM_Blob) ){ sqlite3VdbeChangeEncoding(pOut, encoding); if( sqlite3VdbeMemTooBig(pOut) ) goto too_big; } REGISTER_TRACE(pOp->p3, pOut); UPDATE_MAX_BLOBSIZE(pOut); break; } /* Opcode: Init P1 P2 * P4 * ** Synopsis: Start at P2 ** ** Programs contain a single instance of this opcode as the very first ** opcode. ** ................................................................................ if( pOp->p1>=sqlite3GlobalConfig.iOnceResetThreshold ){ for(i=1; i<p->nOp; i++){ if( p->aOp[i].opcode==OP_Once ) p->aOp[i].p1 = 0; } pOp->p1 = 0; } pOp->p1++; p->aCounter[SQLITE_STMTSTATUS_RUN]++; goto jump_to_p2; } #ifdef SQLITE_ENABLE_CURSOR_HINTS /* Opcode: CursorHint P1 * * P4 * ** ** Provide a hint to cursor P1 that it only needs to return rows that ................................................................................ const u8 * const v1 = &p1[ p1[0] ]; /* Pointer to value 1 */ const u8 * const v2 = &p2[ p2[0] ]; /* Pointer to value 2 */ int n1; int n2; int res; getVarint32(&p1[1], n1); getVarint32(&p2[1], n2); res = memcmp(v1, v2, (MIN(n1, n2) - 13)/2); if( res==0 ){ res = n1 - n2; } if( res==0 ){ if( pTask->pSorter->pKeyInfo->nField>1 ){ res = vdbeSorterCompareTail( ................................................................................ } vdbeSorterRewindDebug("rewinddone"); return rc; } /* ** Advance to the next element in the sorter. Return value: ** ** SQLITE_OK success ** SQLITE_DONE end of data ** otherwise some kind of error. */ SQLITE_PRIVATE int sqlite3VdbeSorterNext(sqlite3 *db, const VdbeCursor *pCsr){ VdbeSorter *pSorter; int rc; /* Return code */ assert( pCsr->eCurType==CURTYPE_SORTER ); pSorter = pCsr->uc.pSorter; assert( pSorter->bUsePMA || (pSorter->pReader==0 && pSorter->pMerger==0) ); if( pSorter->bUsePMA ){ assert( pSorter->pReader==0 || pSorter->pMerger==0 ); assert( pSorter->bUseThreads==0 || pSorter->pReader ); assert( pSorter->bUseThreads==1 || pSorter->pMerger ); #if SQLITE_MAX_WORKER_THREADS>0 if( pSorter->bUseThreads ){ rc = vdbePmaReaderNext(pSorter->pReader); if( rc==SQLITE_OK && pSorter->pReader->pFd==0 ) rc = SQLITE_DONE; }else #endif /*if( !pSorter->bUseThreads )*/ { int res = 0; assert( pSorter->pMerger!=0 ); assert( pSorter->pMerger->pTask==(&pSorter->aTask[0]) ); rc = vdbeMergeEngineStep(pSorter->pMerger, &res); if( rc==SQLITE_OK && res ) rc = SQLITE_DONE; } }else{ SorterRecord *pFree = pSorter->list.pList; pSorter->list.pList = pFree->u.pNext; pFree->u.pNext = 0; if( pSorter->list.aMemory==0 ) vdbeSorterRecordFree(db, pFree); rc = pSorter->list.pList ? SQLITE_OK : SQLITE_DONE; } return rc; } /* ** Return a pointer to a buffer owned by the sorter that contains the ** current key. ................................................................................ ** and WRC_Continue to continue. */ static SQLITE_NOINLINE int walkExpr(Walker *pWalker, Expr *pExpr){ int rc; testcase( ExprHasProperty(pExpr, EP_TokenOnly) ); testcase( ExprHasProperty(pExpr, EP_Reduced) ); rc = pWalker->xExprCallback(pWalker, pExpr); if( rc ) return rc & WRC_Abort; if( !ExprHasProperty(pExpr,(EP_TokenOnly|EP_Leaf)) ){ if( pExpr->pLeft && walkExpr(pWalker, pExpr->pLeft) ) return WRC_Abort; assert( pExpr->x.pList==0 || pExpr->pRight==0 ); if( pExpr->pRight ){ if( walkExpr(pWalker, pExpr->pRight) ) return WRC_Abort; }else if( ExprHasProperty(pExpr, EP_xIsSelect) ){ if( sqlite3WalkSelect(pWalker, pExpr->x.pSelect) ) return WRC_Abort; }else if( pExpr->x.pList ){ if( sqlite3WalkExprList(pWalker, pExpr->x.pList) ) return WRC_Abort; } } return WRC_Continue; } SQLITE_PRIVATE int sqlite3WalkExpr(Walker *pWalker, Expr *pExpr){ return pExpr ? walkExpr(pWalker,pExpr) : WRC_Continue; } ................................................................................ SrcList *pSrc; int i; struct SrcList_item *pItem; pSrc = p->pSrc; if( ALWAYS(pSrc) ){ for(i=pSrc->nSrc, pItem=pSrc->a; i>0; i--, pItem++){ if( pItem->pSelect && sqlite3WalkSelect(pWalker, pItem->pSelect) ){ return WRC_Abort; } if( pItem->fg.isTabFunc && sqlite3WalkExprList(pWalker, pItem->u1.pFuncArg) ){ return WRC_Abort; } ................................................................................ /* ** Call sqlite3WalkExpr() for every expression in Select statement p. ** Invoke sqlite3WalkSelect() for subqueries in the FROM clause and ** on the compound select chain, p->pPrior. ** ** If it is not NULL, the xSelectCallback() callback is invoked before ** the walk of the expressions and FROM clause. The xSelectCallback2() ** method is invoked following the walk of the expressions and FROM clause, ** but only if both xSelectCallback and xSelectCallback2 are both non-NULL ** and if the expressions and FROM clause both return WRC_Continue; ** ** Return WRC_Continue under normal conditions. Return WRC_Abort if ** there is an abort request. ** ** If the Walker does not have an xSelectCallback() then this routine ** is a no-op returning WRC_Continue. */ SQLITE_PRIVATE int sqlite3WalkSelect(Walker *pWalker, Select *p){ int rc; if( p==0 ) return WRC_Continue; if( pWalker->xSelectCallback==0 ) return WRC_Continue; do{ rc = pWalker->xSelectCallback(pWalker, p); if( rc ) return rc & WRC_Abort; if( sqlite3WalkSelectExpr(pWalker, p) || sqlite3WalkSelectFrom(pWalker, p) ){ return WRC_Abort; } if( pWalker->xSelectCallback2 ){ pWalker->xSelectCallback2(pWalker, p); } p = p->pPrior; }while( p!=0 ); return WRC_Continue; } /************** End of walker.c **********************************************/ /************** Begin file resolve.c *****************************************/ /* ** 2008 August 18 ** ................................................................................ /* Clean up and return */ sqlite3ExprDelete(db, pExpr->pLeft); pExpr->pLeft = 0; sqlite3ExprDelete(db, pExpr->pRight); pExpr->pRight = 0; pExpr->op = (isTrigger ? TK_TRIGGER : TK_COLUMN); ExprSetProperty(pExpr, EP_Leaf); lookupname_end: if( cnt==1 ){ assert( pNC!=0 ); if( !ExprHasProperty(pExpr, EP_Alias) ){ sqlite3AuthRead(pParse, pExpr, pSchema, pNC->pSrcList); } /* Increment the nRef value on all name contexts from TopNC up to ................................................................................ p->iColumn = -1; }else{ p->iColumn = (ynVar)iCol; testcase( iCol==BMS ); testcase( iCol==BMS-1 ); pItem->colUsed |= ((Bitmask)1)<<(iCol>=BMS ? BMS-1 : iCol); } } return p; } /* ** Report an error that an expression is not valid for some set of ** pNC->ncFlags values determined by validMask. ................................................................................ Parse *pParse; pNC = pWalker->u.pNC; assert( pNC!=0 ); pParse = pNC->pParse; assert( pParse==pWalker->pParse ); #ifndef NDEBUG if( pNC->pSrcList && pNC->pSrcList->nAlloc>0 ){ SrcList *pSrcList = pNC->pSrcList; int i; for(i=0; i<pNC->pSrcList->nSrc; i++){ assert( pSrcList->a[i].iCursor>=0 && pSrcList->a[i].iCursor<pParse->nTab); } ................................................................................ if( rc ) return 0; /* Try to match the ORDER BY expression against an expression ** in the result set. Return an 1-based index of the matching ** result-set entry. */ for(i=0; i<pEList->nExpr; i++){ if( sqlite3ExprCompare(0, pEList->a[i].pExpr, pE, -1)<2 ){ return i+1; } } /* If no match, return 0. */ return 0; } ................................................................................ /* Otherwise, treat the ORDER BY term as an ordinary expression */ pItem->u.x.iOrderByCol = 0; if( sqlite3ResolveExprNames(pNC, pE) ){ return 1; } for(j=0; j<pSelect->pEList->nExpr; j++){ if( sqlite3ExprCompare(0, pE, pSelect->pEList->a[j].pExpr, -1)==0 ){ pItem->u.x.iOrderByCol = j+1; } } } return sqlite3ResolveOrderGroupBy(pParse, pSelect, pOrderBy, zType); } ................................................................................ SQLITE_PRIVATE int sqlite3ResolveExprNames( NameContext *pNC, /* Namespace to resolve expressions in. */ Expr *pExpr /* The expression to be analyzed. */ ){ u16 savedHasAgg; Walker w; if( pExpr==0 ) return SQLITE_OK; savedHasAgg = pNC->ncFlags & (NC_HasAgg|NC_MinMaxAgg); pNC->ncFlags &= ~(NC_HasAgg|NC_MinMaxAgg); w.pParse = pNC->pParse; w.xExprCallback = resolveExprStep; w.xSelectCallback = resolveSelectStep; w.xSelectCallback2 = 0; w.u.pNC = pNC; #if SQLITE_MAX_EXPR_DEPTH>0 w.pParse->nHeight += pExpr->nHeight; if( sqlite3ExprCheckHeight(w.pParse, w.pParse->nHeight) ){ return SQLITE_ERROR; } #endif sqlite3WalkExpr(&w, pExpr); #if SQLITE_MAX_EXPR_DEPTH>0 w.pParse->nHeight -= pExpr->nHeight; #endif if( pNC->ncFlags & NC_HasAgg ){ ExprSetProperty(pExpr, EP_Agg); } pNC->ncFlags |= savedHasAgg; return pNC->nErr>0 || w.pParse->nErr>0; } /* ** Resolve all names for all expression in an expression list. This is ** just like sqlite3ResolveExprNames() except that it works for an expression ** list rather than a single expression. */ ................................................................................ Parse *pParse, /* The parser context */ Select *p, /* The SELECT statement being coded. */ NameContext *pOuterNC /* Name context for parent SELECT statement */ ){ Walker w; assert( p!=0 ); w.xExprCallback = resolveExprStep; w.xSelectCallback = resolveSelectStep; w.xSelectCallback2 = 0; w.pParse = pParse; w.u.pNC = pOuterNC; sqlite3WalkSelect(&w, p); } /* ** Resolve names in expressions that can only reference a single table: ................................................................................ pNew = sqlite3DbMallocRawNN(db, sizeof(Expr)+nExtra); if( pNew ){ memset(pNew, 0, sizeof(Expr)); pNew->op = (u8)op; pNew->iAgg = -1; if( pToken ){ if( nExtra==0 ){ pNew->flags |= EP_IntValue|EP_Leaf; pNew->u.iValue = iValue; }else{ pNew->u.zToken = (char*)&pNew[1]; assert( pToken->z!=0 || pToken->n==0 ); if( pToken->n ) memcpy(pNew->u.zToken, pToken->z, pToken->n); pNew->u.zToken[pToken->n] = 0; if( dequote && sqlite3Isquote(pNew->u.zToken[0]) ){ ................................................................................ assert( p->x.pSelect==0 ); } #endif if( !ExprHasProperty(p, (EP_TokenOnly|EP_Leaf)) ){ /* The Expr.x union is never used at the same time as Expr.pRight */ assert( p->x.pList==0 || p->pRight==0 ); if( p->pLeft && p->op!=TK_SELECT_COLUMN ) sqlite3ExprDeleteNN(db, p->pLeft); if( p->pRight ){ sqlite3ExprDeleteNN(db, p->pRight); }else if( ExprHasProperty(p, EP_xIsSelect) ){ sqlite3SelectDelete(db, p->x.pSelect); }else{ sqlite3ExprListDelete(db, p->x.pList); } } if( ExprHasProperty(p, EP_MemToken) ) sqlite3DbFree(db, p->u.zToken); if( !ExprHasProperty(p, EP_Static) ){ ................................................................................ if( pNew==0 ){ goto no_mem; } pList = pNew; pList->nAlloc *= 2; } pItem = &pList->a[pList->nExpr++]; assert( offsetof(struct ExprList_item,zName)==sizeof(pItem->pExpr) ); assert( offsetof(struct ExprList_item,pExpr)==0 ); memset(&pItem->zName,0,sizeof(*pItem)-offsetof(struct ExprList_item,zName)); pItem->pExpr = pExpr; return pList; no_mem: /* Avoid leaking memory if malloc has failed. */ sqlite3ExprDelete(db, pExpr); sqlite3ExprListDelete(db, pList); ................................................................................ static int selectNodeIsConstant(Walker *pWalker, Select *NotUsed){ UNUSED_PARAMETER(NotUsed); pWalker->eCode = 0; return WRC_Abort; } static int exprIsConst(Expr *p, int initFlag, int iCur){ Walker w; w.eCode = initFlag; w.xExprCallback = exprNodeIsConstant; w.xSelectCallback = selectNodeIsConstant; #ifdef SQLITE_DEBUG w.xSelectCallback2 = sqlite3SelectWalkAssert2; #endif w.u.iCur = iCur; sqlite3WalkExpr(&w, p); return w.eCode; } /* ** Walk an expression tree. Return non-zero if the expression is constant ................................................................................ ExprList *pGroupBy = pWalker->u.pGroupBy; int i; /* Check if pExpr is identical to any GROUP BY term. If so, consider ** it constant. */ for(i=0; i<pGroupBy->nExpr; i++){ Expr *p = pGroupBy->a[i].pExpr; if( sqlite3ExprCompare(0, pExpr, p, -1)<2 ){ CollSeq *pColl = sqlite3ExprCollSeq(pWalker->pParse, p); if( pColl==0 || sqlite3_stricmp("BINARY", pColl->zName)==0 ){ return WRC_Prune; } } } ................................................................................ ** sequence as the GROUP BY term, but that is much harder to check, ** alternative collating sequences are uncommon, and this is only an ** optimization, so we take the easy way out and simply require the ** GROUP BY to use the BINARY collating sequence. */ SQLITE_PRIVATE int sqlite3ExprIsConstantOrGroupBy(Parse *pParse, Expr *p, ExprList *pGroupBy){ Walker w; w.eCode = 1; w.xExprCallback = exprNodeIsConstantOrGroupBy; w.xSelectCallback = 0; w.u.pGroupBy = pGroupBy; w.pParse = pParse; sqlite3WalkExpr(&w, p); return w.eCode; } /* ................................................................................ #ifdef SQLITE_ENABLE_CURSOR_HINTS /* ** Walk an expression tree. Return 1 if the expression contains a ** subquery of some kind. Return 0 if there are no subqueries. */ SQLITE_PRIVATE int sqlite3ExprContainsSubquery(Expr *p){ Walker w; w.eCode = 1; w.xExprCallback = sqlite3ExprWalkNoop; w.xSelectCallback = selectNodeIsConstant; #ifdef SQLITE_DEBUG w.xSelectCallback2 = sqlite3SelectWalkAssert2; #endif sqlite3WalkExpr(&w, p); return w.eCode==0; } #endif /* ** If the expression p codes a constant integer that is small enough ................................................................................ int iIdxCol, /* The column of the index to be loaded */ int regOut /* Store the index column value in this register */ ){ i16 iTabCol = pIdx->aiColumn[iIdxCol]; if( iTabCol==XN_EXPR ){ assert( pIdx->aColExpr ); assert( pIdx->aColExpr->nExpr>iIdxCol ); pParse->iSelfTab = iTabCur + 1; sqlite3ExprCodeCopy(pParse, pIdx->aColExpr->a[iIdxCol].pExpr, regOut); pParse->iSelfTab = 0; }else{ sqlite3ExprCodeGetColumnOfTable(pParse->pVdbe, pIdx->pTable, iTabCur, iTabCol, regOut); } } /* ................................................................................ return target; } /* Otherwise, fall thru into the TK_COLUMN case */ } case TK_COLUMN: { int iTab = pExpr->iTable; if( iTab<0 ){ if( pParse->iSelfTab<0 ){ /* Generating CHECK constraints or inserting into partial index */ return pExpr->iColumn - pParse->iSelfTab; }else{ /* Coding an expression that is part of an index where column names ** in the index refer to the table to which the index belongs */ iTab = pParse->iSelfTab - 1; } } return sqlite3ExprCodeGetColumn(pParse, pExpr->pTab, pExpr->iColumn, iTab, target, pExpr->op2); } case TK_INTEGER: { ................................................................................ pDef = sqlite3VtabOverloadFunction(db, pDef, nFarg, pFarg->a[0].pExpr); } #endif if( pDef->funcFlags & SQLITE_FUNC_NEEDCOLL ){ if( !pColl ) pColl = db->pDfltColl; sqlite3VdbeAddOp4(v, OP_CollSeq, 0, 0, 0, (char *)pColl, P4_COLLSEQ); } sqlite3VdbeAddOp4(v, pParse->iSelfTab ? OP_PureFunc0 : OP_Function0, constMask, r1, target, (char*)pDef, P4_FUNCDEF); sqlite3VdbeChangeP5(v, (u8)nFarg); if( nFarg && constMask==0 ){ sqlite3ReleaseTempRange(pParse, r1, nFarg); } |