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Overview
Comment:Fix handling of another corrupt database case in fts3.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: ccff8cb8267d4c5605484f7a35c1836937f20b3d6879fe84cd84dc24bbbffc77
User & Date: dan 2020-07-09 21:29:34
Context
2020-07-10
19:09
An attempt to get the Min/Max optimization working with IN constraints. Not currently working. (check-in: 4a64c16f user: drh tags: minmax-opt-exp)
11:12
Fix a broken assert() in fts3 that could fail when handling corrupt records. (check-in: 51247323 user: dan tags: trunk)
2020-07-09
21:29
Fix handling of another corrupt database case in fts3. (check-in: ccff8cb8 user: dan tags: trunk)
14:05
Fix a comment typo. No changes to code. (check-in: 610ee8d5 user: drh tags: trunk)
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to ext/fts3/fts3_write.c.

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    if( rc==SQLITE_OK && bAppendable ){
      /* It is possible to append to this segment. Set up the IncrmergeWriter
      ** object to do so.  */
      int i;
      int nHeight = (int)aRoot[0];
      NodeWriter *pNode;
      if( nHeight<1 || nHeight>FTS_MAX_APPENDABLE_HEIGHT ){
        sqlite3_reset(pSelect);
        return FTS_CORRUPT_VTAB;
      }

      pWriter->nLeafEst = (int)((iEnd - iStart) + 1)/FTS_MAX_APPENDABLE_HEIGHT;
      pWriter->iStart = iStart;
      pWriter->iEnd = iEnd;







|







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    if( rc==SQLITE_OK && bAppendable ){
      /* It is possible to append to this segment. Set up the IncrmergeWriter
      ** object to do so.  */
      int i;
      int nHeight = (int)aRoot[0];
      NodeWriter *pNode;
      if( nHeight<1 || nHeight>=FTS_MAX_APPENDABLE_HEIGHT ){
        sqlite3_reset(pSelect);
        return FTS_CORRUPT_VTAB;
      }

      pWriter->nLeafEst = (int)((iEnd - iStart) + 1)/FTS_MAX_APPENDABLE_HEIGHT;
      pWriter->iStart = iStart;
      pWriter->iEnd = iEnd;

Changes to test/fts3corrupt4.test.

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  INSERT INTO t0_content VALUES(0,NULL,NULL,NULL,NULL);
  INSERT INTO t0_segdir VALUES(0,0,0,0,'0 42',X'00013103010200010332333405010201ba00000461616161050101020200000462626262050101030200');
}

do_execsql_test 44.2 {
  SELECT matchinfo(t0, t0) IS NULL FROM t0 WHERE t0 MATCH '1*'
} {0}










































































































finish_test







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  INSERT INTO t0_content VALUES(0,NULL,NULL,NULL,NULL);
  INSERT INTO t0_segdir VALUES(0,0,0,0,'0 42',X'00013103010200010332333405010201ba00000461616161050101020200000462626262050101030200');
}

do_execsql_test 44.2 {
  SELECT matchinfo(t0, t0) IS NULL FROM t0 WHERE t0 MATCH '1*'
} {0}

#-------------------------------------------------------------------------
#
reset_db
do_test 45.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
.open --hexdb
| size 24576 pagesize 4096 filename crash-65c98512cc9e49.db
| page 1 offset 0
|      0: 53 51 4c 69 74 65 20 66 6f 72 6d 61 74 20 33 00   SQLite format 3.
|     16: 10 00 01 01 00 40 20 20 00 00 00 00 00 00 00 06   .....@  ........
|     96: 00 00 00 00 0d 0e fc 00 06 0d bc 00 0f ca 0f 6c   ...............l
|    112: 0f 04 0e 13 0e c9 0d bc 00 00 00 00 00 00 00 00   ................
|   3504: 00 00 00 00 00 00 00 00 00 00 00 00 55 06 07 17   ............U...
|   3520: 1b 1b 01 81 01 74 61 62 6c 65 78 31 5f 73 74 61   .....tablex1_sta
|   3536: 74 78 31 5f 73 74 61 74 06 43 52 45 41 54 45 20   tx1_stat.CREATE 
|   3552: 54 41 42 4c 45 20 27 78 31 5f 73 74 61 74 27 28   TABLE 'x1_stat'(
|   3568: 69 64 20 49 4e 54 45 47 45 52 20 50 52 49 4d 41   id INTEGER PRIMA
|   3584: 52 59 20 4b 45 59 2c 20 76 61 6c 75 65 20 42 4c   RY KEY, value BL
|   3600: 41 82 29 81 33 04 07 17 1f 1f 01 82 35 74 61 62   A.).3.......5tab
|   3616: 6c 65 78 31 5f 73 65 67 64 69 72 78 31 5f 73 65   lex1_segdirx1_se
|   3632: 67 64 69 72 04 43 52 45 41 54 45 20 54 41 42 4c   gdir.CREATE TABL
|   3648: 45 20 27 78 31 5f 73 65 67 64 69 72 27 28 6c 65   E 'x1_segdir'(le
|   3664: 76 65 6c 20 49 4e 54 45 47 45 52 2c 69 64 78 20   vel INTEGER,idx 
|   3680: 49 4e 54 45 47 45 52 2c 73 74 61 72 74 5f 62 6c   INTEGER,start_bl
|   3696: 6f 63 6b 20 49 4e 54 45 47 45 52 2c 6c 65 61 76   ock INTEGER,leav
|   3712: 65 73 5f 65 6e 64 5f 62 6c 6f 63 6b 20 49 4e 54   es_end_block INT
|   3728: 45 47 45 52 2c 65 6e 64 5f 62 6c 6f 63 6b 20 49   EGER,end_block I
|   3744: 4e 54 45 47 45 52 2c 72 6f 6f 74 20 42 4c 4f 42   NTEGER,root BLOB
|   3760: 2c 50 52 49 4d 41 52 59 20 4b 45 59 28 6c 65 76   ,PRIMARY KEY(lev
|   3776: 65 6c 2c 20 69 64 78 29 29 31 05 06 17 45 1f 01   el, idx))1...E..
|   3792: 00 69 6e 64 65 78 73 71 6c 69 74 65 5f 61 75 74   .indexsqlite_aut
|   3808: 6f 69 6e 64 65 78 5f 78 31 5f 73 65 67 64 69 72   oindex_x1_segdir
|   3824: 5f 31 78 31 5f 73 65 67 64 69 72 05 00 00 00 08   _1x1_segdir.....
|   3840: 60 00 00 00 66 03 07 17 23 23 01 81 13 74 61 62   `...f...##...tab
|   3856: 6c 65 78 31 5f 73 65 67 6d 65 6e 74 73 78 31 5f   lex1_segmentsx1_
|   3872: 73 65 67 6d 65 6e 74 73 03 43 52 45 41 54 45 20   segments.CREATE 
|   3888: 54 41 42 4c 45 20 27 78 31 5f 73 65 67 6d 65 6e   TABLE 'x1_segmen
|   3904: 74 73 27 28 62 6c 6f 63 6b 69 64 20 49 4e 54 45   ts'(blockid INTE
|   3920: 47 45 52 20 50 52 49 4d 41 52 59 20 4b 45 59 2c   GER PRIMARY KEY,
|   3936: 20 62 6c 6f 63 6b 20 42 4c 4f 42 29 5c 02 07 17    block BLOB)....
|   3952: 21 21 01 81 03 74 61 62 6c 65 78 31 5f 63 6f 6e   !!...tablex1_con
|   3968: 74 65 6e 74 78 31 5f 63 6f 6e 74 65 6e 74 02 43   tentx1_content.C
|   3984: 52 45 41 54 45 20 54 41 42 4c 45 20 27 78 31 5f   REATE TABLE 'x1_
|   4000: 63 6f 6e 74 65 6e 74 27 28 64 6f 63 69 64 20 49   content'(docid I
|   4016: 4e 54 45 47 45 52 20 50 52 49 4d 41 52 59 20 4b   NTEGER PRIMARY K
|   4032: 45 59 2c 20 27 63 30 78 27 29 34 01 06 17 11 11   EY, 'c0x')4.....
|   4048: 08 57 74 61 62 6c 65 78 31 78 31 43 52 45 41 54   .Wtablex1x1CREAT
|   4064: 45 20 56 49 52 54 55 41 4c 20 54 41 42 4c 45 20   E VIRTUAL TABLE 
|   4080: 78 31 20 55 53 49 4e 47 20 66 74 73 33 28 78 29   x1 USING fts3(x)
| page 2 offset 4096
|      0: 0d 00 00 00 11 0f 77 f0 0f f8 0f f0 0f e8 0f e0   ......w.........
|     16: 0f d8 0f d0 0f c8 0f c0 00 00 00 00 00 00 00 00   ................
|   3952: 00 00 00 00 00 00 00 00 06 11 03 00 13 77 78 79   .............wxy
|   3968: 06 10 03 00 13 74 75 76 06 0f 03 00 13 71 33 73   .....tuv.....q3s
|   3984: 06 0e 03 00 13 6e 6f 70 06 0d 03 00 13 6b 6c 6d   .....nop.....klm
|   4000: 06 0c 03 04 c3 68 69 6a 06 0b 03 00 13 65 66 67   .....hij.....efg
|   4016: 06 0a 03 00 13 62 63 64 06 09 03 00 13 79 7a 61   .....bcd.....yza
|   4032: 06 08 03 00 13 76 77 78 06 07 03 00 13 73 74 75   .....vwx.....stu
|   4048: 06 06 03 00 13 70 71 72 06 05 03 00 13 6d 6e 6f   .....pqr.....mno
|   4064: 06 03 03 00 13 6a 6b 6c 06 03 03 00 13 67 68 69   .....jkl.....ghi
|   4080: 06 02 02 00 03 64 65 66 06 01 03 00 13 61 52 63   .....def.....aRc
| page 3 offset 8192
|      0: 0d 00 00 00 03 0f a7 00 0f b5 0f a7 0f fa 01 00   ................
|   4000: 00 00 00 00 00 00 00 0c 02 03 00 1e 00 03 6b 6c   ..............kl
|   4016: 6d 03 0d 02 00 43 01 04 00 81 0a 00 03 61 62 63   m....C.......abc
|   4032: 03 0b 32 00 00 03 62 63 64 03 0a 02 00 00 03 64   ..2...bcd......d
|   4048: 69 26 03 02 02 00 00 03 65 66 67 03 0b 02 00 00   i&......efg.....
|   4064: 03 67 68 69 03 03 02 00 00 03 68 69 6a 03 0c 02   .ghi......hij...
|   4080: 00 00 03 6a 6a 2c 03 04 02 00 03 81 00 03 00 00   ...jj,..........
| page 4 offset 12288
|      0: 0d 0f 3a 00 05 0f 25 00 0f 9e 0f 88 0f 43 0f 25   ..:...%......C.%
|     16: 0f 72 00 00 00 00 00 00 00 00 00 00 00 00 00 00   .r..............
|   3856: 00 00 00 00 00 00 00 00 00 56 01 08 08 13 1e 03   .........V......
|   3872: 30 20 39 00 03 13 05 07 08 08 18 08 13 1e 30 20   0 9...........0 
|   3888: 39 00 03 77 78 79 03 11 02 00 0f 6c 00 09 01 08   9..wxy.....l....
|   3904: 08 15 54 27 04 07 09 01 08 08 15 42 02 30 20 33   ..T'.......B.0 3
|   3920: 36 00 03 6e 6f 70 03 0e 02 00 00 03 71 72 73 03   6..nop......qrs.
|   3936: 0f 02 00 00 03 74 75 76 03 10 02 00 0f cf b1 06   .....tuv........
|   3952: 01 08 14 06 07 01 08 09 01 1b 14 02 02 31 32 38   .............128
|   3968: 20 2d 37 32 10 01 01 6b 14 03 07 09 09 08 08 15    -72...k........
|   3984: 1e 30 20 33 36 00 03 79 7a 61 03 09 02 00 2f 02   .0 36..yza..../.
|   4000: 07 09 08 08 08 15 54 30 20 33 36 00 03 6d 6e 6f   ......T0 36..mno
|   4016: 03 05 02 00 00 03 70 71 72 03 06 02 00 00 03 73   ......pqr......s
|   4032: 74 75 03 07 02 00 00 03 76 77 78 03 08 02 00 00   tu......vwx.....
|   4048: 00 00 4a 08 08 08 15 54 30 20 33 36 00 03 61 62   ..J....T0 36..ab
|   4064: 63 03 01 02 00 00 03 64 65 66 03 02 02 00 00 03   c......def......
|   4080: 67 68 69 03 03 67 00 00 03 6a 6b 6c 03 04 02 00   ghi..g...jkl....
| page 5 offset 16384
|      0: 0a 0f e7 00 05 0f da 00 0f e1 0f fa 0f f4 0f ed   ................
|     16: 0f da 0f 00 00 00 00 00 00 00 00 00 00 00 00 00   ................
|   4048: 00 00 00 00 00 00 00 1a 01 03 06 04 01 08 01 02   ................
|   4064: 06 05 04 08 08 01 05 00 00 00 06 01 03 06 04 09   ................
|   4080: 02 01 02 04 05 04 09 09 01 03 05 04 09 08 01 02   ................
| page 6 offset 20480
|      0: 0d 00 10 00 01 0f f9 00 0f f9 00 00 00 00 00 00   ................
|   4080: 00 00 00 00 00 00 00 00 00 05 01 03 00 10 01 03   ................
| end crash-65c98512cc9e49.db
}]} {}

do_catchsql_test 45.2 {
  INSERT INTO x1(x1) VALUES( 'merge=1' )
} {1 {database disk image is malformed}}


finish_test