database/sqlite
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686 Commits

Author SHA1 Message Date
drh
2b918dbb01 Increase the size of a variable in FTS3 to help static analyzers 
see that there are no integer overflow problems.

FossilOrigin-Name: a921a4682fba23e1e223c2e3ecebd22ec59321552bcc563c29ce501bfe70fa4e
 2025-04-02 10:42:47 +00:00
drh
257e026de9 Merge cygwin and tclsqlite fixes into trunk. 
FossilOrigin-Name: 121f4d97f9a855131859d342bc2ade5f8c34ba7732029ae156d02cec7cb6dd85
 2025-03-27 23:29:25 +00:00
drh
460e4cb686 Rearrange #includes in FTS3 to avoid a harmless compiler warning. 
FossilOrigin-Name: c5206cee83a4f1e59bfceda35cdfa528f9b4611eaf306da863ae83e9f93cdeb7
 2025-03-27 18:22:11 +00:00
stephan
6e059d9dac Merge trunk into the cygwin-fixes branch. 
FossilOrigin-Name: 34eadd374b3c0a8c9e1f5f4a1c60fda8f16b1c56213b8c4047f96390c676b695
 2025-03-19 10:14:46 +00:00
drh
6e5d59e8ef Make use of the C99 flexible array feature, when available, so that 
the -fsanitize=bounds-strict option can be used, when available.
[forum:/forumpost/311dbf9a1cadfae6|Forum thread 311dbf9a1c].

FossilOrigin-Name: d4307a0d43f42e96ec06ad2c1d8d0f5c8ecae759bae8231b1998633089809f49
 2025-03-15 19:55:19 +00:00
dan
f212fb3362 Speed up parsing of very long fts3 query expressions. 
FossilOrigin-Name: 2dd5b6895a3b23c2b9cbf0c1c1e802faf8f2b41ef60819eea25d609755266e64
 2025-03-15 16:58:39 +00:00
drh
126541f8ac In FTS3, rename the MatchinfoBuffer.aMatchinfo field to aMI, to avoid confusing 
it with MatchInfo.aMatchinfo.  Make aMI a flexiable array.

FossilOrigin-Name: bb00b973980d259ca85af84c054501cae78b3a9d33ccffa54d7034235dd8d50d
 2025-03-14 23:20:12 +00:00
drh
dbd455a0fd Fix one of two flexible arrays in FTS3. 
FossilOrigin-Name: ddfa87c17906ecf7fd5639a87bbfa9a87d17ab688159acd2fd80cc5b6f25f09b
 2025-03-14 21:15:11 +00:00
stephan
908c0301d1 Merge trunk into the cygwin-fixes branch (which was inadvertently branched too early). 
FossilOrigin-Name: a7863b2e2fbea0ea11c494016b99921f70aae09607868aa65af988cbd173b31a
 2025-03-06 14:40:45 +00:00
stephan
b6503f1444 Cygwin-centric fixes from Jan Nijtmans. 
FossilOrigin-Name: 205979813c7300debb5f1ba270583ef2f08e069d6d01865b5910702889a5c1ed
 2025-03-06 13:38:07 +00:00
stephan
47991d973a Various typo fixes reported by Daniel Dumitriu. No functional changes. 
FossilOrigin-Name: 37e6ec777445d8ef81acecbb66f86ae78f2ae67ef0bfd3fbd089da51fff35cc9
 2025-03-06 09:08:38 +00:00
stephan
da5f813878 Approximately 100 typo corrections spanning the whole tree, submitted via [forum:0db9827f0464bc33|forum post 0db9827f0464bc33] and individually audited and verified. Affects only code comments, innocuous test strings, error message text in tool (not library) code, and configure-level help text. 
FossilOrigin-Name: f50c21484d3cac73589da0376c423de39ae8b842218105786c5aa3726e4dcaed
 2025-02-27 21:17:55 +00:00
stephan
5d60f47001 Approximately 50 typo fixes, spanning the whole tree, contributed via [forum:006c8fa165083ac3|forum post 006c8fa165083ac3] and individually checked for correctness. Affects only code comments, docs, and a single line of debug output in a test app. 
FossilOrigin-Name: af928818a030924060ee0762431dae0f16d53a62f4e1132754d052eb9c621ac2
 2025-02-25 20:55:14 +00:00
drh
7bfa4452a3 Additional changes making it easier to prove that integer overflow does not 
occur.  No problems found.

FossilOrigin-Name: e846743a875430a5c51d41f00ac9532214f97d9925e6261113b63580f92369fc
 2025-02-17 18:09:24 +00:00
drh
31c3599ed0 Fix a harmless unused-parameter compiler warning introduced by [75f3d8744879]. 
FossilOrigin-Name: 9f28f6694f97d5ee0345b45f9bf81e3fdce0990ce32fb9bdbbaac079126a67c9
 2025-02-05 16:08:11 +00:00
drh
51dd67080a Fix a potential UAF in FTS3. 
FossilOrigin-Name: 75f3d87448793fc7fd68d817874d561842e029a2d6c1ea4abcec39764cd38469
 2025-02-03 23:19:42 +00:00
dan
fefc7b1bf7 Fix a problem handling OOM errors in fts3 that could occur when parsing multi-token strings. 
FossilOrigin-Name: 4c4d1db00bd2c522165876dcf1606116a72525d9ffc891b266213704e25cde55
 2024-11-19 11:58:32 +00:00
dan
a864ac1c5a Fix a case in fts3 where a corrupt database record was not being handled correctly. 
FossilOrigin-Name: cbcb53759b9510379e2159d14b73c9746e611df550b0bd05887bd4a480b519a8
 2024-11-09 17:54:51 +00:00
dan
d42855e404 Fix an OOB write that could occur in fts3 when dealing with corrupt database records. 
FossilOrigin-Name: 108863ec7998e0a35569e3c6534b538f00d4ef87fdb316bd6a4a9a7a272bba47
 2024-11-07 17:34:53 +00:00
dan
8cfc6a7aed Fix an inconsistency in the way SQLITE_CORE is used in fts3.c. 
FossilOrigin-Name: d4816e534a22250bd18509b07edca205c7ad6a8b3ecbbf5336a517ac19f78f55
 2024-10-24 12:06:04 +00:00
dan
b651084713 Add tests to restore coverage of fts5_tokenizer.c. 
FossilOrigin-Name: 8f9257361b05e368bf433e56d0698923b0f97d12e7c0ad7760aaab6746c0e467
 2024-08-17 17:22:49 +00:00
dan
679f5d458e Add assert() statements and reorganize code slightly in fts3 and fts5 to make it easier to follow. 
FossilOrigin-Name: 797b0a13fd7a42b0a48ecbf0cd1961aa932da3e9c9ccffd903a3a4d963d0cc54
 2024-08-08 15:07:27 +00:00
drh
3f80dbd51e Fix problems uncovered while testing Tcl9 on Windows. 
FossilOrigin-Name: d5523c77fd0bcdc8344971a116d6ce9657f2b6daddeb7d936cd7607163a36744
 2024-07-31 13:00:18 +00:00
drh
064b681e9b First attempt at getting the build to work with Tcl 9.0. 
FossilOrigin-Name: 6e5bb48a74d63fb8c30528f0005d1763cd2dbb882abf86baf1565721e6bfcf84
 2024-07-30 15:49:02 +00:00
dan
7acf972c59 Fixes for platforms with 32-bit pointers that require 64-bit values to be aligned. 
FossilOrigin-Name: 2212d7488ed4ec2839ffa45cb9567056b36519434834634e4ecc441c330694d7
 2024-07-13 16:53:56 +00:00
dan
495ce22d49 Fix a "shift exponent is too large" usan error that could occur in the fts3 snippet() function when a query phrase contains more than 64 tokens. 
FossilOrigin-Name: 6d2c7ac4ecfc1ec408cb1820985a70650d7cc5613b4b8fd1829f68ea48fce6a3
 2024-04-09 19:23:18 +00:00
dan
adea051707 Ensure the fts3 xIntegrity method correctly returns error codes unrelated to corruption or missing SQL elements. 
FossilOrigin-Name: 1bdb8cbaf7e733e0731de2ecd7a05ddf44db5d8595dcc7aaf0927ed0aa5b33d3
 2024-02-01 15:21:55 +00:00
drh
31ebe65b5e Fix harmless "unused parameter" compiler warning in the new fts3IntegrityMethod 
implementation.

FossilOrigin-Name: bb1fe53a97672fc868e3f3897162ea0d714dc1da95187f9c7e35255049f2b0e7
 2024-01-16 16:14:52 +00:00
dan
75f9ba32bd Ensure that the xIntegrity methods of fts3 and fts5 work on read-only databases. 
FossilOrigin-Name: b855886c4ccce0745af6957943e77be18949722f09821688725d546d3d79b4fb
 2024-01-16 16:05:21 +00:00
drh
9f20bde65a Enhance the new xIntegrity method of the sqlite3_module object with new 
parameters that provide the name of the table being checked and
a flag to indicate a "quick_check".  Based on feedback in
[forum:/forumpost/965c0d02ea|forum post 965c0d02ea].

FossilOrigin-Name: bc8afa3f15954bb35f65dbf940bf069de5e14d333036676c24430cf17b658d05
 2023-10-25 10:37:11 +00:00
drh
c0ba6a97ec Fix various harmless scan-build warnings. 
FossilOrigin-Name: 54be9af4469d7e31ee852f67e5aa32996557c10de654a60103fd165d2fedf311
 2023-10-24 11:06:44 +00:00
drh
45b2e946cc Improved error messages for the xIntegrity method in FTS3/4 and FTS5. 
FossilOrigin-Name: df69abc0823f4dd9c051f8d5993d2f447ee0dadab5cef73d670107b1071db255
 2023-10-23 13:46:22 +00:00
dan
ef6bf1bbe5 Fix a problem allowing a COMMIT following an OOM to cause fts3/4 corruption. 
FossilOrigin-Name: 7f41d7006db4225cf9b3d197d3a76842778669ac079e76361214a8023c9976e6
 2023-10-21 18:12:07 +00:00
dan
ee3c55471c Fix an fts3 problem caused by reducing the page size using the undocumented "nodesize" option, then running an incremental-merge. 
FossilOrigin-Name: 2875dcb1ac86db2704ad377d719f308c8837e196b49c98b20ceda1324f2d27ea
 2023-10-19 18:23:17 +00:00
drh
4b136ed70a Enable SQLITE_VTAB_INNOCUOUS for FTS3, FTS5, and RTREE. 
FossilOrigin-Name: f34c533b6c1f8ef3f69c75c1039406c12751cdde1fbdcb4d9776b24455facf8a
 2023-10-12 18:46:27 +00:00
drh
1935887a68 Ensure that all fields of static sqlite3_module objects are explicitly 
initialized, in order to hush-up nuisance compiler warnings.

FossilOrigin-Name: f3b3d712d6e58b1cb8fdebd2b6b3125080b6b3ac8c7c849a8cc1e5e778d62fe7
 2023-10-06 12:51:05 +00:00
drh
dd69129f2a Fix a problem with the new xIntegrity method for virtual tables, and also fix 
a bad assert() in FTS3 that was found by the new xIntegrity method.

FossilOrigin-Name: 52bbf44f2d9addc2b5f68b0fe33542470852310ce3a283e2c7ff4c52831d0ed1
 2023-09-07 02:13:01 +00:00
drh
d5ab4dd9e4 Change the xIntegrity virtual table method signature so that it returns 
an integer error code and writes the error message into a parameter.

FossilOrigin-Name: f1d4024a8ca06cf954aaf1f612684d1a5d28492bde757695db3f22c50c649709
 2023-09-06 14:00:01 +00:00
drh
961c2a9f36 Add the xIntegrity method to the sqlite3_module object. Implement this 
method in RTREE, FTS3/4, and FTS5 so that "PRAGMA integrity_check" also
verifies the correctness of shadow tables associated with those virtual
tables.

FossilOrigin-Name: 17bede8cdefd968210dd8a5a2617acbe12ba2c99fdd5e88c5def8665e7bec2d7
 2023-09-06 12:52:00 +00:00
drh
d97e0d0e38 Initialize a local variable in FTS3 to avoid a GCC compiler warning. 
FossilOrigin-Name: 7ec4ab327decd6a5ee5e6a53f1489e17e0cdbb297945f9acc532b47d052eb7a9
 2023-06-12 18:22:34 +00:00
dan
9b532d1e1b Avoid a buffer overread in fts3 that could occur when processing a corrupt record. 
FossilOrigin-Name: 02ac2297abee6af64c8df230b42b07f21cff4565d7e315860b2396a7c0c556ca
 2023-03-18 16:12:27 +00:00
drh
e3d71c078b Fix a harmless compiler warning in FTS3. 
FossilOrigin-Name: 68d02d3c2ab1b4afff2d3a71516ceee404fad0d2b717369ad732832c4f9b19a8
 2023-01-25 21:28:30 +00:00
dan
a0fe1e7d13 Fix a problem with fts3 auxiliary functions and one or more NEAR expressions ORed together. 
FossilOrigin-Name: de4690a10ad4631e7452ccbb05b177a821d9dda387a854d216a6c54c7a189ead
 2023-01-25 15:45:45 +00:00
dan
0fa2bbf9e1 Fix another problem with fts3/4 auxiliary functions and NEAR expressions that consist entirely of deferred tokens. 
FossilOrigin-Name: a8c91c132f6157b7e3649f57a799984b1d7f8a18fd434515c875617d4195db29
 2023-01-25 13:42:55 +00:00
dan
e35d1e1e6a Fix a problem with using fts3 auxiliary functions with expressions like "E AND ...", where E is a NEAR expression that consists entirely of deferred tokens. 
FossilOrigin-Name: 39bfae4c4698a13e07c4a0725f2790955e03b601fe64e17a000c691def1bdcb8
 2023-01-24 11:24:28 +00:00
drh
6319a8003c Make the legacy FTS3 code more robust against integer overflow during 
memory allocation.

FossilOrigin-Name: 5517bc50988b5339c2fd071b29de1b5ca03037b0b635c3b112cf7108fab54d5f
 2022-09-27 01:53:05 +00:00
dan
8e658f0a13 Avoid having fts3 read uninitialized values when processing deferred tokens. 
FossilOrigin-Name: 98729c5fa6c4c418ca9779c35e6874c930e5cee5a90b5eb32b284a0f3762269e
 2022-08-05 17:16:00 +00:00
dan
40e3fa3035 Fix a memory leak in fts3 that could occur when processing a corrupt database. 
FossilOrigin-Name: d74f6f6d5136995b8bf900eb671e4b15ca81e03cc1ab5b7a1aa43dc4f3617760
 2022-07-15 15:08:48 +00:00
dan
b1c034b2f1 Update some faulty assert() statements in fts3. 
FossilOrigin-Name: b072851be1a5e49441469dbfa4580e132ebb1d8bc2de98fe1aa67bb9c7cf13a3
 2022-07-15 11:34:23 +00:00
dan
3dfab26028 Fix a problem in fts3 to do with deferred tokens and OR expressions. 
FossilOrigin-Name: d0bfe5c574dbc467ba97d96306d78a62a55b78dbbbe4d25aa962db6aa40406f6
 2022-07-11 14:26:38 +00:00