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Overview
Comment: | Update the "changesetfuzz" program to work with patchsets as well as changesets. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | changesetfuzz |
Files: | files | file ages | folders |
SHA3-256: |
75b00fbe884d4bd8ba099d7c0a2e8af2 |
User & Date: | dan 2018-11-07 17:52:29.921 |
Context
2018-11-07
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20:07 | Fix minor issues in the changesetfuzz program. (check-in: 5c7f024073 user: dan tags: changesetfuzz) | |
17:52 | Update the "changesetfuzz" program to work with patchsets as well as changesets. (check-in: 75b00fbe88 user: dan tags: changesetfuzz) | |
2018-11-06
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20:08 | Update the changesetfuzz program to fuzz changeset schemas as well as data. (check-in: 141a93c843 user: dan tags: changesetfuzz) | |
Changes
Changes to ext/session/changesetfuzz.c.
︙ | ︙ | |||
82 83 84 85 86 87 88 | ** 12. A non-PK column may be added to a table. In this case a NULL ** value is appended to all records. ** ** 13. A PK column may be added to a table. In this case a non-NULL ** value is appended to all INSERT, DELETE and UPDATE old.* records. ** An "undefined" is appended to new.* UPDATE records. ** | | > | < | > > > | 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | ** 12. A non-PK column may be added to a table. In this case a NULL ** value is appended to all records. ** ** 13. A PK column may be added to a table. In this case a non-NULL ** value is appended to all INSERT, DELETE and UPDATE old.* records. ** An "undefined" is appended to new.* UPDATE records. ** ** 14. A column may be removed from a table, provided that it is not the ** only PRIMARY KEY column in the table. In this case the corresponding ** field is removed from all records. In cases where this leaves an UPDATE ** with no non-PK, non-undefined fields, the entire change is removed. ** ** PATCHSETS ** ** As well as changesets, this program can also dump and fuzz patchsets. */ #include "sqlite3.h" #include <stdio.h> #include <stdlib.h> #include <string.h> #include <assert.h> |
︙ | ︙ | |||
114 115 116 117 118 119 120 | #define FUZZ_GROUP_DEL 10 /* Delete an entire change group */ #define FUZZ_GROUP_SWAP 11 /* Exchange the position of two groups */ #define FUZZ_COLUMN_ADD 12 /* Add column to table definition */ #define FUZZ_COLUMN_ADDPK 13 /* Add PK column to table definition */ #define FUZZ_COLUMN_DEL 14 /* Remove column from table definition */ | < < < < < < < | 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | #define FUZZ_GROUP_DEL 10 /* Delete an entire change group */ #define FUZZ_GROUP_SWAP 11 /* Exchange the position of two groups */ #define FUZZ_COLUMN_ADD 12 /* Add column to table definition */ #define FUZZ_COLUMN_ADDPK 13 /* Add PK column to table definition */ #define FUZZ_COLUMN_DEL 14 /* Remove column from table definition */ typedef unsigned char u8; typedef sqlite3_uint64 u64; typedef sqlite3_int64 i64; typedef unsigned int u32; |
︙ | ︙ | |||
168 169 170 171 172 173 174 175 176 177 178 179 180 181 | } fclose(f); } *pSz = sz; *ppBuf = pBuf; } static void fuzzWriteFile(const char *zFilename, void *pBuf, int nBuf){ FILE *f; f = fopen(zFilename, "wb"); if( f==0 ){ fprintf(stderr, "cannot open \"%s\" for writing\n", zFilename); exit(1); } | > > > > | 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 | } fclose(f); } *pSz = sz; *ppBuf = pBuf; } /* ** Write the contents of buffer pBuf, size nBuf bytes, into file zFilename ** on disk. zFilename, if it already exists, is clobbered. */ static void fuzzWriteFile(const char *zFilename, void *pBuf, int nBuf){ FILE *f; f = fopen(zFilename, "wb"); if( f==0 ){ fprintf(stderr, "cannot open \"%s\" for writing\n", zFilename); exit(1); } |
︙ | ︙ | |||
285 286 287 288 289 290 291 | for(i=0; i<256; i+=4){ sqlite3Prng.s[i] ^= ((iSeed >> 24) & 0xFF); sqlite3Prng.s[i+1] ^= ((iSeed >> 16) & 0xFF); sqlite3Prng.s[i+2] ^= ((iSeed >> 8) & 0xFF); sqlite3Prng.s[i+3] ^= ((iSeed >> 0) & 0xFF); } } | < < < > > > > > | | | > > > > > > > > > > > > > > > > > > < < < | < < < | > > > > > > > > > > > > | > > > > > > | | 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 | for(i=0; i<256; i+=4){ sqlite3Prng.s[i] ^= ((iSeed >> 24) & 0xFF); sqlite3Prng.s[i+1] ^= ((iSeed >> 16) & 0xFF); sqlite3Prng.s[i+2] ^= ((iSeed >> 8) & 0xFF); sqlite3Prng.s[i+3] ^= ((iSeed >> 0) & 0xFF); } } /* ** End of code for generating pseudo-random values. *************************************************************************/ typedef struct FuzzChangeset FuzzChangeset; typedef struct FuzzChangesetGroup FuzzChangesetGroup; typedef struct FuzzChange FuzzChange; /* ** Object containing partially parsed changeset. */ struct FuzzChangeset { int bPatchset; /* True for a patchset */ FuzzChangesetGroup **apGroup; /* Array of groups in changeset */ int nGroup; /* Number of items in list pGroup */ u8 **apVal; /* Array of all values in changeset */ int nVal; /* Number of used slots in apVal[] */ int nChange; /* Number of changes in changeset */ int nUpdate; /* Number of UPDATE changes in changeset */ }; /* ** There is one object of this type for each change-group (table header) ** in the input changeset. */ struct FuzzChangesetGroup { const char *zTab; /* Name of table */ int nCol; /* Number of columns in table */ u8 *aPK; /* PK array for this table */ u8 *aChange; /* Buffer containing array of changes */ int szChange; /* Size of buffer aChange[] in bytes */ int nChange; /* Number of changes in buffer aChange[] */ }; /* ** Description of a fuzz change to be applied to a changeset. */ struct FuzzChange { int eType; /* One of the FUZZ_* constants above */ int iChange; /* Change or UPDATE to modify */ int iGroup; /* Group to modify */ int iDelete; /* Field to remove (FUZZ_COLUMN_DEL) */ u8 *pSub1; /* Replace this value with pSub2 */ u8 *pSub2; /* And this one with pSub1 */ u8 aSub[128]; /* Buffer for substitute value */ int iCurrent; /* Current change number */ }; /* ** Allocate and return nByte bytes of zeroed memory. */ static void *fuzzMalloc(int nByte){ void *pRet = sqlite3_malloc(nByte); if( pRet ){ memset(pRet, 0, nByte); } return pRet; } /* ** Free the buffer indicated by the first argument. This function is used ** to free buffers allocated by fuzzMalloc(). */ static void fuzzFree(void *p){ sqlite3_free(p); } /* ** Argument p points to a buffer containing an SQLite varint that, assuming the ** input is not corrupt, may be between 0 and 0x7FFFFFFF, inclusive. Before ** returning, this function sets (*pnVal) to the value of that varint, and ** returns the number of bytes of space that it takes up. */ static int fuzzGetVarint(u8 *p, int *pnVal){ int i; sqlite3_uint64 nVal = 0; for(i=0; i<9; i++){ nVal = (nVal<<7) + (p[i] & 0x7F); if( (p[i] & 0x80)==0 ){ i++; break; } } *pnVal = (int)nVal; return i; } /* ** Write value nVal into the buffer indicated by argument p as an SQLite ** varint. nVal is guaranteed to be between 0 and (2^21-1), inclusive. ** Return the number of bytes written to buffer p. */ static int fuzzPutVarint(u8 *p, int nVal){ assert( nVal>0 && nVal<2097152 ); if( nVal<128 ){ p[0] = nVal; return 1; } if( nVal<16384 ){ p[0] = ((nVal >> 7) & 0x7F) | 0x80; p[1] = (nVal & 0x7F); return 2; } p[0] = ((nVal >> 14) & 0x7F) | 0x80; p[1] = ((nVal >> 7) & 0x7F) | 0x80; p[2] = (nVal & 0x7F); return 3; } /* ** Read a 64-bit big-endian integer value from buffer aRec[]. Return ** the value read. */ static i64 fuzzGetI64(u8 *aRec){ return (i64)( (((u64)aRec[0]) << 56) + (((u64)aRec[1]) << 48) + (((u64)aRec[2]) << 40) + (((u64)aRec[3]) << 32) + (((u64)aRec[4]) << 24) + (((u64)aRec[5]) << 16) + (((u64)aRec[6]) << 8) + (((u64)aRec[7]) << 0) ); } /* ** Write value iVal to buffer aRec[] as an unsigned 64-bit big-endian integer. */ static void fuzzPutU64(u8 *aRec, u64 iVal){ aRec[0] = (iVal>>56) & 0xFF; aRec[1] = (iVal>>48) & 0xFF; aRec[2] = (iVal>>40) & 0xFF; aRec[3] = (iVal>>32) & 0xFF; aRec[4] = (iVal>>24) & 0xFF; aRec[5] = (iVal>>16) & 0xFF; aRec[6] = (iVal>> 8) & 0xFF; aRec[7] = (iVal) & 0xFF; } static int fuzzParseHeader( FuzzChangeset *pParse, u8 **ppHdr, u8 *pEnd, FuzzChangesetGroup **ppGrp ){ int rc = SQLITE_OK; FuzzChangesetGroup *pGrp; u8 cHdr = (pParse->bPatchset ? 'P' : 'T'); assert( pEnd>(*ppHdr) ); pGrp = (FuzzChangesetGroup*)fuzzMalloc(sizeof(FuzzChangesetGroup)); if( !pGrp ){ rc = SQLITE_NOMEM; }else{ u8 *p = *ppHdr; if( p[0]!=cHdr ){ rc = fuzzCorrupt(); }else{ p++; p += fuzzGetVarint(p, &pGrp->nCol); pGrp->aPK = p; p += pGrp->nCol; pGrp->zTab = (const char*)p; |
︙ | ︙ | |||
464 465 466 467 468 469 470 | default: return fuzzCorrupt(); } return SQLITE_OK; } | | > > > > > | | > | | | | | | | | | | | | > | > | > | > > | > > > | | | | > | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | > | | 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 | default: return fuzzCorrupt(); } return SQLITE_OK; } static int fuzzParseRecord( u8 **ppRec, /* IN/OUT: Iterator */ u8 *pEnd, /* One byte after end of input data */ FuzzChangeset *pParse, int bPkOnly ){ int rc = SQLITE_OK; FuzzChangesetGroup *pGrp = pParse->apGroup[pParse->nGroup-1]; int i; u8 *p = *ppRec; for(i=0; rc==SQLITE_OK && i<pGrp->nCol && p<pEnd; i++){ if( bPkOnly==0 || pGrp->aPK[i] ){ int sz; if( (pParse->nVal & (pParse->nVal-1))==0 ){ int nNew = pParse->nVal ? pParse->nVal*2 : 4; u8 **apNew = (u8**)sqlite3_realloc(pParse->apVal, nNew*sizeof(u8*)); if( apNew==0 ) return SQLITE_NOMEM; pParse->apVal = apNew; } pParse->apVal[pParse->nVal++] = p; rc = fuzzChangeSize(p, &sz); p += sz; } } if( rc==SQLITE_OK && i<pGrp->nCol ){ rc = fuzzCorrupt(); } *ppRec = p; return rc; } static int fuzzParseChanges(u8 **ppData, u8 *pEnd, FuzzChangeset *pParse){ u8 cHdr = (pParse->bPatchset ? 'P' : 'T'); FuzzChangesetGroup *pGrp = pParse->apGroup[pParse->nGroup-1]; int rc = SQLITE_OK; u8 *p = *ppData; pGrp->aChange = p; while( rc==SQLITE_OK && p<pEnd && p[0]!=cHdr ){ u8 eOp = p[0]; u8 bIndirect = p[1]; p += 2; if( eOp==SQLITE_UPDATE ){ pParse->nUpdate++; if( pParse->bPatchset==0 ){ rc = fuzzParseRecord(&p, pEnd, pParse, 0); } }else if( eOp!=SQLITE_INSERT && eOp!=SQLITE_DELETE ){ rc = fuzzCorrupt(); } if( rc==SQLITE_OK ){ int bPkOnly = (eOp==SQLITE_DELETE && pParse->bPatchset); rc = fuzzParseRecord(&p, pEnd, pParse, bPkOnly); } pGrp->nChange++; pParse->nChange++; } pGrp->szChange = p - pGrp->aChange; *ppData = p; return rc; } static int fuzzParseChangeset( u8 *pChangeset, /* Buffer containing changeset */ int nChangeset, /* Size of buffer in bytes */ FuzzChangeset *pParse /* OUT: Results of parse */ ){ u8 *pEnd = &pChangeset[nChangeset]; u8 *p = pChangeset; int rc = SQLITE_OK; memset(pParse, 0, sizeof(FuzzChangeset)); if( nChangeset>0 ){ pParse->bPatchset = (pChangeset[0]=='P'); } while( rc==SQLITE_OK && p<pEnd ){ FuzzChangesetGroup *pGrp = 0; /* Read a table-header from the changeset */ rc = fuzzParseHeader(pParse, &p, pEnd, &pGrp); assert( (rc==SQLITE_OK)==(pGrp!=0) ); /* If the table-header was successfully parsed, add the new change-group ** to the array and parse the associated changes. */ if( rc==SQLITE_OK ){ FuzzChangesetGroup **apNew = (FuzzChangesetGroup**)sqlite3_realloc( pParse->apGroup, sizeof(FuzzChangesetGroup*)*(pParse->nGroup+1) ); if( apNew==0 ){ rc = SQLITE_NOMEM; }else{ apNew[pParse->nGroup] = pGrp; pParse->apGroup = apNew; pParse->nGroup++; } rc = fuzzParseChanges(&p, pEnd, pParse); } } return rc; } static int fuzzPrintRecord(FuzzChangesetGroup *pGrp, u8 **ppRec, int bPKOnly){ int rc = SQLITE_OK; u8 *p = *ppRec; int i; const char *zPre = " ("; for(i=0; i<pGrp->nCol; i++){ if( bPKOnly==0 || pGrp->aPK[i] ){ u8 eType = p++[0]; switch( eType ){ case 0x00: /* undefined */ printf("%sn/a", zPre); break; case 0x01: { /* integer */ sqlite3_int64 iVal = 0; iVal = fuzzGetI64(p); printf("%s%lld", zPre, iVal); p += 8; break; } case 0x02: { /* real */ sqlite3_int64 iVal = 0; double fVal = 0.0; iVal = fuzzGetI64(p); memcpy(&fVal, &iVal, 8); printf("%s%f", zPre, fVal); p += 8; break; } case 0x03: /* text */ case 0x04: { /* blob */ int nTxt; int sz; int i; p += fuzzGetVarint(p, &nTxt); printf("%s%s", zPre, eType==0x03 ? "'" : "X'"); for(i=0; i<nTxt; i++){ if( eType==0x03 ){ printf("%c", p[i]); }else{ char aHex[16] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; printf("%c", aHex[ p[i]>>4 ]); printf("%c", aHex[ p[i] & 0x0F ]); } } printf("'"); p += nTxt; break; } case 0x05: /* null */ printf("%sNULL", zPre); break; } zPre = ", "; } } printf(")"); *ppRec = p; return rc; } static int fuzzPrintGroup(FuzzChangeset *pParse, FuzzChangesetGroup *pGrp){ int i; u8 *p; /* The table header */ printf("TABLE: %s nCol=%d aPK=", pGrp->zTab, pGrp->nCol); for(i=0; i<pGrp->nCol; i++){ printf("%d", (int)pGrp->aPK[i]); |
︙ | ︙ | |||
647 648 649 650 651 652 653 | printf("%s (ind=%d):", (eType==SQLITE_INSERT) ? "INSERT" : (eType==SQLITE_DELETE ? "DELETE" : "UPDATE"), bIndirect ); p += 2; | | | | | | 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 | printf("%s (ind=%d):", (eType==SQLITE_INSERT) ? "INSERT" : (eType==SQLITE_DELETE ? "DELETE" : "UPDATE"), bIndirect ); p += 2; if( pParse->bPatchset==0 && eType==SQLITE_UPDATE ){ fuzzPrintRecord(pGrp, &p, 0); } fuzzPrintRecord(pGrp, &p, eType==SQLITE_DELETE && pParse->bPatchset); printf("\n"); } } static int fuzzSelectChange(FuzzChangeset *pParse, FuzzChange *pChange){ int iSub; memset(pChange, 0, sizeof(FuzzChange)); pChange->eType = fuzzRandomInt(FUZZ_COLUMN_DEL) + 1; assert( pChange->eType==FUZZ_VALUE_SUB || pChange->eType==FUZZ_VALUE_MOD || pChange->eType==FUZZ_VALUE_RND || pChange->eType==FUZZ_CHANGE_DUP || pChange->eType==FUZZ_CHANGE_DEL || pChange->eType==FUZZ_CHANGE_TYPE |
︙ | ︙ | |||
791 792 793 794 795 796 797 798 799 800 801 802 | static int fuzzCopyChange( FuzzChangeset *pParse, int iGrp, FuzzChange *pFuzz, u8 **pp, u8 **ppOut /* IN/OUT: Input and output pointers */ ){ FuzzChangesetGroup *pGrp = pParse->apGroup[iGrp]; u8 *p = *pp; u8 *pOut = *ppOut; u8 eType = p++[0]; int iRec; | > | | 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 | static int fuzzCopyChange( FuzzChangeset *pParse, int iGrp, FuzzChange *pFuzz, u8 **pp, u8 **ppOut /* IN/OUT: Input and output pointers */ ){ int bPS = pParse->bPatchset; FuzzChangesetGroup *pGrp = pParse->apGroup[iGrp]; u8 *p = *pp; u8 *pOut = *ppOut; u8 eType = p++[0]; int iRec; int nRec = ((eType==SQLITE_UPDATE && !bPS) ? 2 : 1); int iUndef = -1; int nUpdate = 0; u8 eNew = eType; if( pFuzz->iCurrent==pFuzz->iChange && pFuzz->eType==FUZZ_CHANGE_TYPE ){ switch( eType ){ case SQLITE_INSERT: |
︙ | ︙ | |||
829 830 831 832 833 834 835 836 837 838 839 840 841 842 | for(i=0; i<pGrp->nCol; i++){ if( pCsr[0] && pGrp->aPK[i]==0 ) nDef++; fuzzChangeSize(pCsr, &sz); pCsr += sz; } if( nDef<=1 ) return -1; nDef = fuzzRandomInt(nDef); for(i=0; i<pGrp->nCol; i++){ if( pCsr[0] && pGrp->aPK[i]==0 ){ if( nDef==0 ) iUndef = i; nDef--; } fuzzChangeSize(pCsr, &sz); pCsr += sz; | > | 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 | for(i=0; i<pGrp->nCol; i++){ if( pCsr[0] && pGrp->aPK[i]==0 ) nDef++; fuzzChangeSize(pCsr, &sz); pCsr += sz; } if( nDef<=1 ) return -1; nDef = fuzzRandomInt(nDef); pCsr = p+1; for(i=0; i<pGrp->nCol; i++){ if( pCsr[0] && pGrp->aPK[i]==0 ){ if( nDef==0 ) iUndef = i; nDef--; } fuzzChangeSize(pCsr, &sz); pCsr += sz; |
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851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 | *(pOut++) = !(*(p++)); }else{ *(pOut++) = *(p++); } for(iRec=0; iRec<nRec; iRec++){ int i; for(i=0; i<pGrp->nCol; i++){ int sz; u8 *pCopy = p; if( p==pFuzz->pSub1 ){ pCopy = pFuzz->pSub2; }else if( p==pFuzz->pSub2 ){ pCopy = pFuzz->pSub1; }else if( i==iUndef ){ pCopy = "\0"; } if( pCopy[0]==0x00 && eNew!=eType && eType==SQLITE_UPDATE && iRec==0 ){ while( pCopy[0]==0x00 ){ pCopy = pParse->apVal[fuzzRandomInt(pParse->nVal)]; } }else if( p[0]==0x00 && pCopy[0]!=0x00 ){ return -1; }else{ if( pGrp->aPK[i]>0 && pCopy[0]==0x05 ) return -1; } | > > > > > > > > > > > > > > > > > > > > | | > > | | | | < | | 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 | *(pOut++) = !(*(p++)); }else{ *(pOut++) = *(p++); } for(iRec=0; iRec<nRec; iRec++){ int i; /* Copy the next record from the output to the input. */ for(i=0; i<pGrp->nCol; i++){ int sz; u8 *pCopy = p; /* If this is a patchset, and the input is a DELETE, then the only ** fields present are the PK fields. So, if this is not a PK, skip to ** the next column. If the current fuzz is FUZZ_CHANGE_TYPE, then ** write a randomly selected value to the output. */ if( bPS && eType==SQLITE_DELETE && pGrp->aPK[i]==0 ){ if( eType!=eNew ){ assert( eNew==SQLITE_UPDATE ); do { pCopy = pParse->apVal[fuzzRandomInt(pParse->nVal)]; }while( pCopy[0]==0x00 ); fuzzChangeSize(pCopy, &sz); memcpy(pOut, pCopy, sz); pOut += sz; } continue; } if( p==pFuzz->pSub1 ){ pCopy = pFuzz->pSub2; }else if( p==pFuzz->pSub2 ){ pCopy = pFuzz->pSub1; }else if( i==iUndef ){ pCopy = "\0"; } if( pCopy[0]==0x00 && eNew!=eType && eType==SQLITE_UPDATE && iRec==0 ){ while( pCopy[0]==0x00 ){ pCopy = pParse->apVal[fuzzRandomInt(pParse->nVal)]; } }else if( p[0]==0x00 && pCopy[0]!=0x00 ){ return -1; }else{ if( pGrp->aPK[i]>0 && pCopy[0]==0x05 ) return -1; } if( (pFuzz->iGroup!=iGrp || i!=pFuzz->iDelete) && (eNew==eType || eType!=SQLITE_UPDATE || iRec==0) && (eNew==eType || eNew!=SQLITE_DELETE || !bPS || pGrp->aPK[i]) ){ fuzzChangeSize(pCopy, &sz); memcpy(pOut, pCopy, sz); pOut += sz; nUpdate += (pGrp->aPK[i]==0 && pCopy[0]!=0x00); } fuzzChangeSize(p, &sz); p += sz; } if( iGrp==pFuzz->iGroup ){ if( pFuzz->eType==FUZZ_COLUMN_ADD ){ if( !bPS || eType!=SQLITE_DELETE ) *(pOut++) = 0x05; }else if( pFuzz->eType==FUZZ_COLUMN_ADDPK ){ if( iRec==1 ){ *(pOut++) = 0x00; }else{ u8 *pNew; int szNew; do { |
︙ | ︙ | |||
916 917 918 919 920 921 922 | memcpy(pOut, *ppOut, nByte); pOut += nByte; } if( pFuzz->eType==FUZZ_CHANGE_DEL ){ pOut = *ppOut; } | | | 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 | memcpy(pOut, *ppOut, nByte); pOut += nByte; } if( pFuzz->eType==FUZZ_CHANGE_DEL ){ pOut = *ppOut; } if( eNew!=eType && eNew==SQLITE_UPDATE && !bPS ){ int i; u8 *pCsr = (*ppOut) + 2; for(i=0; i<pGrp->nCol; i++){ int sz; u8 *pCopy = pCsr; if( pGrp->aPK[i] ) pCopy = "\0"; fuzzChangeSize(pCopy, &sz); |
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999 1000 1001 1002 1003 1004 1005 | }else if( change.eType==FUZZ_COLUMN_DEL ){ nCol--; iPKDel = pGrp->aPK[change.iDelete]; } } /* Output a table header */ | | | 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 | }else if( change.eType==FUZZ_COLUMN_DEL ){ nCol--; iPKDel = pGrp->aPK[change.iDelete]; } } /* Output a table header */ pOut++[0] = pParse->bPatchset ? 'P' : 'T'; pOut += fuzzPutVarint(pOut, nCol); for(i=0; i<pGrp->nCol; i++){ if( iGrp!=change.iGroup || i!=change.iDelete ){ u8 v = pGrp->aPK[i]; if( iPKDel && v>iPKDel ) v--; *(pOut++) = v; |
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1059 1060 1061 1062 1063 1064 1065 | fuzzReadFile(zInput, &nChangeset, &pChangeset); rc = fuzzParseChangeset(pChangeset, nChangeset, &changeset); if( rc==SQLITE_OK ){ if( argc==2 ){ for(i=0; i<changeset.nGroup; i++){ | | | 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 | fuzzReadFile(zInput, &nChangeset, &pChangeset); rc = fuzzParseChangeset(pChangeset, nChangeset, &changeset); if( rc==SQLITE_OK ){ if( argc==2 ){ for(i=0; i<changeset.nGroup; i++){ fuzzPrintGroup(&changeset, changeset.apGroup[i]); } }else{ pBuf = (u8*)fuzzMalloc(nChangeset*2 + 1024); if( pBuf==0 ){ rc = SQLITE_NOMEM; }else{ iSeed = atoi(argv[2]); |
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