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Overview
Comment: | Fix an fts3 assert() that could fail when operating on a database containing corrupt records. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
7c52f5478f9ecf5c078208759143ae9d |
User & Date: | dan 2019-11-01 13:37:26.323 |
Context
2019-11-01
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15:19 | Omit the optimization that reduces the column-count on rowid-table cursors when the table has generated columns, because we do not know what columns the generator expressions might try to access. (check-in: e6c96ed91e user: drh tags: trunk) | |
13:37 | Fix an fts3 assert() that could fail when operating on a database containing corrupt records. (check-in: 7c52f5478f user: dan tags: trunk) | |
12:14 | Add missing column translations to foreign key logic. Ticket [c28a01da72f8957c] (check-in: bc6a43e7ee user: drh tags: trunk) | |
Changes
Changes to ext/fts3/fts3.c.
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2476 2477 2478 2479 2480 2481 2482 | static void fts3PutDeltaVarint3( char **pp, /* IN/OUT: Output pointer */ int bDescIdx, /* True for descending docids */ sqlite3_int64 *piPrev, /* IN/OUT: Previous value written to list */ int *pbFirst, /* IN/OUT: True after first int written */ sqlite3_int64 iVal /* Write this value to the list */ ){ | | > > < | 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 | static void fts3PutDeltaVarint3( char **pp, /* IN/OUT: Output pointer */ int bDescIdx, /* True for descending docids */ sqlite3_int64 *piPrev, /* IN/OUT: Previous value written to list */ int *pbFirst, /* IN/OUT: True after first int written */ sqlite3_int64 iVal /* Write this value to the list */ ){ sqlite3_uint64 iWrite; if( bDescIdx==0 || *pbFirst==0 ){ assert_fts3_nc( *pbFirst==0 || iVal>=*piPrev ); iWrite = iVal - *piPrev; }else{ assert_fts3_nc( *piPrev>=iVal ); iWrite = *piPrev - iVal; } assert( *pbFirst || *piPrev==0 ); assert_fts3_nc( *pbFirst==0 || iWrite>0 ); *pp += sqlite3Fts3PutVarint(*pp, iWrite); *piPrev = iVal; *pbFirst = 1; } /* |
︙ | ︙ |
Changes to test/fts3corrupt4.test.
︙ | ︙ | |||
5541 5542 5543 5544 5545 5546 5547 5548 5549 | do_execsql_test 30.1 { UPDATE t1 SET b=a; } do_catchsql_test 30.2 { SELECT (matchinfo(null)) FROM t1 WHERE t1 MATCH 'ee*e*e*e*e*e*e*Re*e*e*e**' } {1 {database disk image is malformed}} finish_test | > > > > > > > > > > > > > > > | 5541 5542 5543 5544 5545 5546 5547 5548 5549 5550 5551 5552 5553 5554 5555 5556 5557 5558 5559 5560 5561 5562 5563 5564 | do_execsql_test 30.1 { UPDATE t1 SET b=a; } do_catchsql_test 30.2 { SELECT (matchinfo(null)) FROM t1 WHERE t1 MATCH 'ee*e*e*e*e*e*e*Re*e*e*e**' } {1 {database disk image is malformed}} #------------------------------------------------------------------------- # reset_db do_execsql_test 31.0 { CREATE VIRTUAL TABLE t1 USING fts3(a,b,c); INSERT INTO t1_segdir VALUES(0,0,0,0,'0 592',X'00016dcb048ce6fbd3b2d68bfebf0101020200808080808080808020010202008080808080808080100102020080808080808080800801020200808080808080808004010202008080808080808080020102020080808080808080800101020200808080808080804001020200808080808080802001020200808080808080801001020200808080808080800801020200808080808080800401020200808080808080800201020200808080808080800101020200808080808080400102020080808080808020010202008080808080801001020200808080808080080102020080808080808004010202008080808080800201020200808080808080010102020080808080804001020200808080808020010202008080808080100102020080808080800801020200808080808004010202008080808080020102020080808080800101020200808080804001020200808080802001020200808080801001020200808080800801020200808080800401020200808080800201020200808080800101020200808080400102020080808020010202008080801001020200808080080102020080808004010202008080800201020200808080010102020080804001020200808020010202008080100102020080800801020200808004010202008080020102020080800101020200804001020200802001020200801001020200800801020200800401020200800201020200800101020200400102020020010202001001020200080102020004010202000201020200010102020001010202008080808080808080800101020200'); INSERT INTO t1_segdir VALUES(0,1,0,0,'0 18',X'00026d6d0d8ee6fbd3b2d68bfe7f01020200'); } do_catchsql_test 31.1 { SELECT (matchinfo(t1, c ) ) FROM t1 WHERE t1 MATCH 'M*M*M*M*'; } {1 {database disk image is malformed}} finish_test |