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651 Commits

Author SHA1 Message Date
dan
b695bab055 Fix another fts3 problem with processing corrupt records. 
FossilOrigin-Name: 6e0ffa205312416830340ea6e621dfb1a529e5603d569941ed6263930dc28c45
 2020-06-29 13:33:56 +00:00
dan
30b5db1261 Fix a problem that could cause an infinite loop in the fts3 'merge' command. 
FossilOrigin-Name: be545f85a6ef09cc6c762f7d2ab7a0b3adf5590c3fbdc9903e6b5b5cec6e823f
 2020-06-26 20:41:18 +00:00
drh
067b92ba00 Extend the refactoring into extensions. Clean up stray newlines. 
FossilOrigin-Name: 7a876209a678a34c198b54ceef9e3c041f128a14dc73357f6a57cadadaa6cf7b
 2020-06-19 15:24:12 +00:00
dan
0ad1b3284a Fix an assert() in fts3 that could fail when processing a corrupt record. 
FossilOrigin-Name: 4adc0a1b0d84c2df6d6bf0d5d9d3fa9f7d048af8d232c4beb77518727890f212
 2020-06-17 14:54:06 +00:00
dan
b65ce39607 Fix an assert() in fts3 that can fail when processing a corrupt record. 
FossilOrigin-Name: a58a6d6fb241a50c4c7c9af8a9c65bc4746e905b2ae12290c7182afa944053a2
 2020-06-16 14:06:20 +00:00
dan
56e38185fe Fix a buffer overread in fts3 that could occur when decoding a corrupted record. 
FossilOrigin-Name: 9a4a40c45feb2bb89020dc7711b4753479112ceae7ce2a44521d72afeddfac83
 2020-06-12 15:17:27 +00:00
dan
5c10930fa9 Fix a case where a corrupted fts3 record could cause an assert() failure, or spurious SQLITE_NOMEM error in builds with assert() disabled. 
FossilOrigin-Name: d48af4d2cfff3d5f4ccc3db5d658e8b503255b577e6e62b5c2b4a4437875b895
 2020-06-08 14:43:41 +00:00
dan
becd68ba0d Fix a use-after-free bug in the fts3 snippet() function. 
FossilOrigin-Name: 0d69f76f0865f9626078bee087a22fb826407279e78cf9d5382e1c985c9f64a9
 2020-05-16 17:26:58 +00:00
drh
219b8e7e75 Fix a null pointer deference that can occur on a strange matchinfo() 
query.

FossilOrigin-Name: a4dd148928ea65bd4e1654dfacc3d8057d1f85b8c9939416991d50722e5a720e
 2020-05-14 23:59:24 +00:00
dan
2d3ed22a3f Fix a failing assert() in fts3 triggered by a corrupt database. 
FossilOrigin-Name: cb299a090c81cdc5c116c4e15ab38fce112916f8b0fad0c7f2ab127e79238a94
 2020-05-07 19:55:40 +00:00
dan
fc7f31742d Fix an integer overflow in fts3 causing a usan error. 
FossilOrigin-Name: e256f85289a78e629acdf83e5bf1f8df2a0ffb3d559738eb9e49db6c228dc8c0
 2020-04-22 11:11:17 +00:00
dan
7576a68c8c Improve corruption detection in fts3 shadow tables earlier in order to prevent an assert() from failing. 
FossilOrigin-Name: a9ec8c8f80a59badabb0afdb4189f0fd2934f936530d4151de395b3a7e7c1f1f
 2020-04-16 11:35:27 +00:00
dan
ec8e689a20 Avoid an undefined integer overflow in fts3 by detecting data structure corruption earlier. 
FossilOrigin-Name: 86e98ddc19470410ccc6d2cf4ad56ef0bc5a23b7fbe6331b8cae374689f54529
 2020-03-20 20:18:49 +00:00
drh
b3f0d92b91 Improved detection of corruption in the interior nodes of a segment btree 
in FTS3/4.

FossilOrigin-Name: cc99447ac923166104e8a7c75088ed95279f4491b30cfa37dc3ee5e005dd9fac
 2020-03-03 01:16:04 +00:00
dan
fcbc673752 Fix some fts3 problems found by usan. 
FossilOrigin-Name: fb7ccf61bed8d862986eda7096bec3df5947f1d1c88f27e7d9c8acf420f40c50
 2020-02-06 10:55:10 +00:00
drh
32d184e049 Only register the fts3_tokenizer() function using a single text encoding. 
FossilOrigin-Name: 966964af1021feebc56cfda7b08bc787be7f447d682299f7958463aca30a73af
 2020-01-09 20:33:36 +00:00
dan
262efe4a43 Fix an instance of an undefined behaviour (a left-shift of a 64-bit unsigned integer by a value greater than 64) that could occur in fts3. 
FossilOrigin-Name: e1f12978b53683114ab0ef0e84a14dd4fabc72750b214aac19cd9da22a582a27
 2020-01-07 09:06:43 +00:00
dan
e455e3acf0 In fts3, avoid making a very large memory allocation if the merge-hint record is corrupt. 
FossilOrigin-Name: 9add58fe9688d5c1f675736e7f1c6ff7831d2ff6fdeb884a2e62c1bf9536ee50
 2020-01-03 20:16:32 +00:00
drh
1e732787da Set the SQLITE_DIRECTONLY flag on the fts3_tokenizer() function of FTS3, 
thus preventing that function from being called from within a trigger or
view.

FossilOrigin-Name: f3171dc22e4d3a40ca17fe609391d92fc6a997b775bfefa5947aec69c889aa73
 2019-12-31 18:12:36 +00:00
dan
e88af0179e Fix a spurious report of corruption from the fts3/4 integrity-check triggered by using the languageid option. 
FossilOrigin-Name: 70815e273f511481c310dc33b3b49079901d891078fad49b663fbce06c77ecc2
 2019-12-21 20:43:34 +00:00
drh
b2ab3dcff0 Fix harmless compiler warnings. 
FossilOrigin-Name: 2bbd014c900e0d71fd30ec647739b82c5dc3aa237a0203f5a1db50593dae199e
 2019-12-20 14:08:34 +00:00
dan
5be1b20aec Fix problems in fts3 with processing corrupt records and undefined integer overflows. 
FossilOrigin-Name: 3b873029ef1903f76442445343af3786cd59ee66b0e5e0e6b76a0b6b1b5eb88a
 2019-12-14 14:15:21 +00:00
dan
8aa706e748 Fix a buffer overread that could occur in fts3 with corrupt %_stat records. 
FossilOrigin-Name: e01fdbf9f700e1bd9dd5283c65547d10d26ce4f4506d3cfef9e1087aecdc2305
 2019-12-04 03:46:50 +00:00
drh
d79967adbe Avoid a harmless zero offset of a null pointer in FTS3, so as to not provoke 
unnecessary warnings from run-time checkers.

FossilOrigin-Name: 85d95abec4a596eb3ffd2ea19b4067dc1a6970264222ed5d69e75764ac21597c
 2019-12-03 03:31:11 +00:00
drh
51690f26bc Fix to check-in [5d9a369301a65f32] so that it compiles without SQLITE_DEBUG. 
FossilOrigin-Name: fefe2d046725254367f9f82a8c8cb137e8b75dbbf4bc48debf0649479ff2f0c2
 2019-11-26 11:10:59 +00:00
dan
597f1eb195 Fix an assert() in fts3 that could fail due to corrupt database records. 
FossilOrigin-Name: 5d9a369301a65f320a0696fcf1f062ca5976ef34350590c07aecf5335c66d872
 2019-11-26 02:03:16 +00:00
dan
6637332988 Prevent direct and indirect recursive content= options in fts3/4 and fts5. 
FossilOrigin-Name: 2eb997327c2c369c10b7835be80112d77cb2a7cfa9fe4d564042984c21d94698
 2019-11-21 14:20:59 +00:00
dan
70d1a1a3ed Further improve detection of corrupt records in fts3. 
FossilOrigin-Name: a0f6d526baecd061a5e2bec5eb698fb5dfb10122ac79c853d7b3f4a48bc9f49b
 2019-11-20 13:31:52 +00:00
drh
804725a6b9 Improvements to detection of corruption in the %_stat shadow table of FTS4. 
FossilOrigin-Name: 6b67eba54e7b4887a8cdab7537b12a95e9f17bcdaa0b423af5ed5bd91f69f2c6
 2019-11-18 14:04:21 +00:00
drh
13a8f203d9 Further improvements to shadow table corruption detection in FTS3. 
FossilOrigin-Name: e35d8c76aae59f57cc5193f79b21b4298029bea78e1aab7af67432162ce63e00
 2019-11-18 12:04:17 +00:00
drh
3e72bdb5fe Detect and prevent infinite recursion in fts3SelectLeaf() due to a 
malformed FTS3 btree.

FossilOrigin-Name: dfcf081d842629a0b177be7eb2eb8ce719324068991040a581e33ea1d5db3d27
 2019-11-18 11:14:59 +00:00
drh
19d4175d65 Improved detection of corruption in the %_stat table of FTS4. 
Chromium ticket 1025467.

FossilOrigin-Name: 10f8a3b718e0f47be528fba086c318e1dfe18ead383d01cfa24dedabad41e0a2
 2019-11-18 10:37:57 +00:00
drh
feb5dcf1a6 Better detection of corruption in the %_stat and %_docsize shadow tables 
of FTS3.

FossilOrigin-Name: 1e449687881f4d388e54a0e51bcabba41ab10cf7e596ff65e31e88a23c70d497
 2019-11-17 02:41:06 +00:00
drh
fd6bf04bba Remove a reachable NEVER() in FTS3. 
FossilOrigin-Name: 8bd75bf636f72f32d66c6c38e1918f27daf2f13290f00a001f41d50838bbda47
 2019-11-17 00:08:24 +00:00
drh
c72f2fb7fe More improvements to shadow table corruption detection in FTS3. 
FossilOrigin-Name: 51525f9c3235967bc00a090e84c70a6400698c897aa4742e817121c725b8c99d
 2019-11-16 23:47:40 +00:00
drh
94febb3a77 Improved detection of corrupt shadow tables in FTS3. Enable the debugging 
special-inserts for FTS3 for both SQLITE_DEBUG and SQLITE_TEST.

FossilOrigin-Name: 04b2873be5aedeb1c4325cf36c4b5d180f929a641caf1e3829c03778adb29c8e
 2019-11-16 21:40:49 +00:00
dan
b1c479b61d Fix an fts3 assert() that could fail when operating on a database containing corrupt records. 
FossilOrigin-Name: 7c52f5478f9ecf5c078208759143ae9de43c1bf191dfcd74acb8bd169d4dc883
 2019-11-01 13:37:26 +00:00
dan
9930cfe878 Fix a problem in fts3 causing it to report corruption if a doclist contains consectutive rowid entries that differ by more than 2^63. 
FossilOrigin-Name: 0b0a3048f9df88bbc8979f2ac5247bee7d7bc1e585faca252610d2fcbe36d51d
 2019-10-28 13:54:59 +00:00
dan
b2075011a7 Avoid an infinite loop in fts3/4 incremental-merge in the case where the lowest level in the database contains segments but no data (because there is a delete-marker for each valid entry). Fix for [bf1aab89]. 
FossilOrigin-Name: 35beaee059a6cccead4311886ca928d936f23584cf435e35e265e98feea723dc
 2019-10-17 15:41:36 +00:00
dan
8b4d0e2cba Ensure fts3/4 prefix indexes are flushed to disk before an 'optimize' command. Fix for [745f1abc]. 
FossilOrigin-Name: 4ed905b18847d4dbf5a2570052abced338065f824137b90300f62d77b3159d80
 2019-10-11 15:33:13 +00:00
dan
9613c9f4a6 Fix the fts3/4 integrity-check command so that it works with "ORDER=DESC" tables. Fix for [8a6fa2bb]. 
FossilOrigin-Name: 5863546df99abd1ad4ebcaba18dec647be4368e2c13ce0b28e48c8608d3e87ef
 2019-10-11 14:27:17 +00:00
dan
cd79010964 Fix a problem in the fts3 integrity-check routine causing it to report as corrupt tables that contain values with embedded 0x00 bytes. 
FossilOrigin-Name: 629e20c9880acc2cb9e2fa6da39a15a90483e9a8f433df29d285c23bdfb03b0b
 2019-10-10 16:41:44 +00:00
dan
23d3f5d661 Fix a long-standing problem in fts4 incrmental merge. 
FossilOrigin-Name: 67da31e24ebb49c4cac81c9e7cfca37ca422555fd0fdb01d8f180890783c84ff
 2019-10-02 19:33:34 +00:00
drh
5e81e9fdae The nodeReaderInit() function in FTS3 may not assume that the node is 
non-empty.

FossilOrigin-Name: 361eb2f682a303bba72b39d322d9de630494ca044fe0508dcb23b6130d312d85
 2019-09-30 19:13:31 +00:00
drh
5c0666d9e3 In FTS3/4, the poslist end marker must be larger than any other possible 
poslist value, even on a corrupt poslist.

FossilOrigin-Name: 752679aea5a6bbde24cbf39e2fa018f7dd1c226d463ca4bd74125303b2255170
 2019-09-28 11:19:56 +00:00
dan
14e3e22773 Fix an assert() in fts3 that could fail when accessing a corrupt database. 
FossilOrigin-Name: 601ce9532d34f97a5faa170b6d8a272e5c54f2eabff84660201a1840e0fd9929
 2019-09-19 13:51:52 +00:00
dan
572b0dddee Add extra tests for the handling of corrupt records in fts3. 
FossilOrigin-Name: 40e29a47d1266c16a4992e43579a51addcc632503099c4cd128f77dd4e67da3c
 2019-09-18 17:22:00 +00:00
dan
6fcb9f3ad9 Fix a broken assert() in the fts3 snippet code that was failing for queries containging more than 64 phrases. 
FossilOrigin-Name: 4c01e0170e113ad052b6c3980beb4be9f1dc03fb3cf34132b90e8b82b23f654e
 2019-08-21 11:31:48 +00:00
dan
8279fe8a4b Fix a crash in fts3 caused by corrupt database records. 
FossilOrigin-Name: 11f7f94f1c5d761e7f381e277658b7e857cc369283996c509061de55fd6aad52
 2019-07-29 16:53:30 +00:00
dan
7d840e530f Fix a valgrind problem in fts3corrupt4.test. 
FossilOrigin-Name: cb3dec427e399064eeec31c15565346f045bd7c46d2f7860b1cd346bbcccb124
 2019-07-05 15:16:22 +00:00
dan
471e88f732 Fix a segfault in fts3 that could occur when processing corrupt fts records. 
FossilOrigin-Name: dff24c6c7a4e7623984b5bb24c2ff14fe079dc49a0ad048cbfc66f84c08875b0
 2019-06-04 13:11:37 +00:00
dan
efdb371a1d Fix an assert() in fts3 that could fail when processing corrupt records. Also some minor sanitizer warnings. 
FossilOrigin-Name: c736c40aab071a69bd5c5347b7c116d87ea3954019e967ca8ff7bdb4b518e5bf
 2019-05-28 14:42:32 +00:00
dan
29fa6b6642 Fix a buffer overread that could in fts3 when dealing with corrupt records. 
FossilOrigin-Name: 1660d7733eb443ab085ddef7666b998a1c75ac81cc54a9620960a8d3b377e28e
 2019-05-22 14:22:44 +00:00
dan
bebea908b8 Fix another instance in fts3 where a corrupt record can cause a buffer overflow. 
FossilOrigin-Name: e1724f1d618cfbcfd1e495d8965a395656cfc1114e1bffd4bc3be0bd5cdb6550
 2019-04-24 16:13:52 +00:00
dan
04687f9e03 Fix an error in fts3_write.c allowing a corrupt database to cause a crash. 
FossilOrigin-Name: 6e4a5f22811bcd1485e27073ec96821d448b91b6d1ff1659cc3772449d19a762
 2019-04-24 15:13:02 +00:00
drh
766b431ab9 Fix a harmless compiler warning in test logic. 
FossilOrigin-Name: c3932e66040bf4c82727a26a976291fab219e8bc8a6d7579e19304538cc6df18
 2019-04-13 16:50:21 +00:00
drh
73f940c89e Fix additional compiler warnings introduced by the previous check-in and found 
by MSVC.

FossilOrigin-Name: 6fc0deffa4eed902fd13eefe6d2765f338f3dadc5b29f7cae5064e135417746b
 2019-04-13 14:17:09 +00:00
drh
f6ad201ac2 Fixes for harmless compiler warnings. 
FossilOrigin-Name: c28c973ad6debd63f13e5d4d3da036f680baaec9d863eda039f2747db9f1cfd5
 2019-04-13 14:07:57 +00:00
drh
3b574e4ea9 Use the 64-bit memory allocator interfaces in extensions, whenever possible. 
FossilOrigin-Name: 07ee06fd390bfebebc014b47583d489747b0423bb96c810bed5c605ce0e3be71
 2019-04-13 04:38:32 +00:00
drh
7678fdc33d Change the fts3_tokenizer() function to always return the pointer as a BLOB 
as long as the first argument is a bound parameter, regardless of the
SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER setting.

FossilOrigin-Name: 27160df7b3a04ac59d06013ede1d2ee27a4ace86a525ecc333bf7f8b5c580afb
 2019-03-29 17:26:44 +00:00
drh
5155b75be2 The two-argument version of fts3_tokenizer() works regardless of the 
value of SQLITE_DBCONFIG_ENABLE_FT3_TOKENIZER as long as the second
argument is a bind parameter.

FossilOrigin-Name: ab76e3a90e56bd36a17ded9c7a77e88632ca12d3bd73f197df747a634c81e0cf
 2019-03-29 11:39:41 +00:00
mistachkin
065f3bf4f2 Fix various harmless compiler warnings seen with MSVC. 
FossilOrigin-Name: 1c0fe5b5763fe5cbace9773dcdab742e126d0bd035ab13d61f9d134afa0afc0c
 2019-03-20 05:45:03 +00:00
dan
66b8457c7c Fix another segfault in fts3 that could occur with corrupt records. 
FossilOrigin-Name: fcc24edde471c2214add2dbc3a27da8890a7148105c5ffa024faf72457964a5f
 2019-03-08 13:27:27 +00:00
drh
f10c535fa5 The fts3_tokenizer() function returns NULL if the 
SQLITE_DBCONFIG_ENABLE_FTS_TOKENIZER setting is disabled, which is is
by default.

FossilOrigin-Name: f5732f4caf7a37a6445c61ae0d0ac14cc9deb897376e73aa36a1ead025b92c69
 2019-03-01 21:33:29 +00:00
dan
95fdb63b7f Avoid an assert() failure and an undefined left-shift operation in the fts3 snippet() function that could occur if the database was corrupt. 
FossilOrigin-Name: d5250db6322103326f0d5782ba049996d9ce8784f9e53a3112fb6f09f888f1c3
 2019-02-28 13:41:35 +00:00
dan
f2e5c98613 Fix a couple of assert() statements in fts3 that can be false if the database is corrupt. 
FossilOrigin-Name: 84162af521f29df8a186163fbdef9856e1aa8aba78e74d7df0ba2cc83bb86240
 2019-02-23 20:48:41 +00:00
drh
b43ac0021f Fix an assert() that might not be true if the %_segdir table of FTS3 contains 
corrupt entries.

FossilOrigin-Name: a6509ca3dc2602c7d0376230ee63c1bb4c4066f007e77e9ac20d8eee966e5e13
 2019-02-18 12:16:03 +00:00
dan
2fa619a3a8 Change a few assert() statements in fts3 that might fail if the database is corrupt. 
FossilOrigin-Name: db74a56af73d92b7a9d43ceda7e4540915c580c68a0266b4ddefb9e0d5cbcbeb
 2019-02-09 19:23:54 +00:00
dan
41fc545147 Fix an assertion failure in fts3 triggered by a corrupt database. 
FossilOrigin-Name: 560ebd4269fad07b8e988d070454017123593eb6762597d08e8c32d7b4fb92ac
 2019-02-03 07:46:07 +00:00
drh
3f4f6823ac Fix harmless compiler warnings. 
FossilOrigin-Name: 9a93c68a7673bda2e6c308d3b2798d0fb12fde399996cae24b1f0d5864adf355
 2019-01-29 16:54:31 +00:00
dan
c7def600bd Fix a buffer overread in fts3 that could occur when accessing a corrupt database. 
FossilOrigin-Name: a9faf9033910927c74553e66c474d84ed3386f263cef3eec299e25d8306f410d
 2019-01-28 16:50:42 +00:00
dan
6c43dbad98 Do not assume that text parameters passed to fts4aux queries do not contain embedded nul characters. 
FossilOrigin-Name: df04859a995571cd6faf1abe088725708f35e81195760274df9e2ec9bd47f69f
 2019-01-28 13:27:25 +00:00
dan
32bb700a95 Fix a broken assert() in fts3. Also some test script issues causing failures with builds that do not support fts3. 
FossilOrigin-Name: d59567dda231e7ffec437d5e055676cf42d791196406cdc696cafa2583eb483b
 2019-01-26 21:05:54 +00:00
drh
0578084507 Fix the assert_fts3_nc() macro so that it works for test builds that omit 
SQLITE_DEBUG.

FossilOrigin-Name: b10df2b569e356551cf51ca179f307e4f8827413ee9feb886db1f1e0650e6c5f
 2019-01-25 18:17:03 +00:00
dan
c1f6618217 Add an assert_fts3_nc() macro to fts3 - for assert() conditions that are only true when it is guaranteed that the fts3 database is not corrupt. 
FossilOrigin-Name: 3498908cd7f3d0e35b70796537124e3da0bd99d48750ba51bcb9eba87e28ed4d
 2019-01-25 14:48:18 +00:00
dan
813ed78054 Fix a buffer overread in fts3 that could occur in a prefix query on a corrupted database. 
FossilOrigin-Name: d0d5689371577b2861d4a9464443d055f3256f3f51d89e0388233a4cbe2601ee
 2019-01-24 17:41:12 +00:00
dan
2c7a73eaea Fix another segfault caused by a corrupt fts3 database. 
FossilOrigin-Name: ba3b8412726548a0716c1a2d67260c3b7e31956474f4cd4ce607cf2cebc667dd
 2019-01-22 12:21:28 +00:00
dan
129371553c Avoid deferencing a freed pointer following an OOM or SQLITE_CORRUPT error in 
the fts3 xDestroy method.

FossilOrigin-Name: 505ed9a47825240979338a24044559613fbbd2a7850bdff70c7164da054ec63d
 2019-01-21 17:57:31 +00:00
dan
ac30553f76 Remove a faulty assert() from fts3. 
FossilOrigin-Name: 6c33a303ebbb0f5193ead535280ba63118e14fb4f9977ce80dc716a0b082ec99
 2019-01-21 16:12:20 +00:00
dan
225b05795f Fix a memory leak introduced by [55c5d72a]. 
FossilOrigin-Name: fbd681dce2905d8b8ad7948ba684b0b62d6c04be0f7a2992ee7d6836a99010de
 2019-01-18 21:17:08 +00:00
dan
a86b20820d Fix an infinite loop caused by a corrupt database in fts3. Also an undefined 
left-shift in fts5.

FossilOrigin-Name: 55c5d72af9510e2f27c33544d804a58d4282b0efb384ead38484129ce91b574f
 2019-01-18 21:03:15 +00:00
dan
451297752c Fix problems causing undefined left-shift operations in the fts3 snippet() 
function.

FossilOrigin-Name: b90dbaed3092236e97f9796fa63989a3648060e16189e1267c430f4a7e799fac
 2019-01-18 19:26:48 +00:00
drh
30fdb45da0 Ensure that the variable-length integer decoder in FTS3 never tries to 
left-shift a negative number.

FossilOrigin-Name: 10ffc1fe006a1766ff2f1ffc6129786afb86b6b1f8d3a17334e8ecb838d37b9c
 2019-01-17 03:43:38 +00:00
dan
e011ee2830 Fix a problem in the fts3 matchinfo() function with corrupt database handling. 
FossilOrigin-Name: 24ed5fb6aea30b098d2faf3cf9d638933e518657217e903239ffaa1e25d34f66
 2019-01-16 19:44:09 +00:00
dan
4ccb41fc99 Fix a memory leak that could occur in fts3 when handling a corrupt database. 
FossilOrigin-Name: 65cebb06a0afcbcb4157c3d518a62ed188b1e90d9e9b69d88fece484bcb6e380
 2019-01-16 11:38:06 +00:00
dan
a783931794 Fix a buffer overread in fts3 caused by a corrupt record. 
FossilOrigin-Name: e54efd60c20bbfc5d70ddb9e1dd6ffb68cbbcfa57b4f07cb104767ef08c1a559
 2019-01-15 16:14:31 +00:00
dan
94ec92a1f7 Fix a problem with querying a corrupt fts3 database. 
FossilOrigin-Name: 65e50706a017751d72d0f9c7f575955194977decd0acf13aaca90c3cb925f20e
 2019-01-14 15:09:00 +00:00
dan
68c1f9ce9a Have fts3 ignore empty sets of parenthesis if built with 
SQLITE_ENABLE_FTS3_PARENTHESIS.

FossilOrigin-Name: c93c6b45a317c40eb5c0abb6620d21f5821a601632c791e11e5ce62e039eccda
 2019-01-14 11:56:13 +00:00
dan
b4439eef10 Fix a problem with corrupt database handling in the fts3 matchinfo() function. 
FossilOrigin-Name: 703646b1b5c84d550fe0d74e399c0eeb729da1d263e4693320f69e6509678985
 2019-01-12 14:58:35 +00:00
drh
3e534eac19 Improved shadow table corruption detection in the matchinfo() function of FTS3. 
FossilOrigin-Name: 567be3bb1e8b6477f3bf1c7b4cd6ec066fba69d0dcf8785632e244ce25db639f
 2019-01-12 00:12:33 +00:00
dan
90294961da Fix a segfault in fts3 prompted by a corrupted database. 
FossilOrigin-Name: 2d7b1d1d41ff69d5465fcb861420816ecb066c25a9015eefdab5fae15a2e1c9f
 2019-01-11 21:34:25 +00:00
drh
c49d43a787 Fix the fts3DecodeIntArray() function so that it will not read off the end 
of the buffer it is handed.  Any unread integers are set to zero.

FossilOrigin-Name: 666cf8f6b39ae1f72e82b45e9cacba23caf61370ca0c695b3b14452accbb1a0d
 2019-01-10 01:12:43 +00:00
drh
2d77d80a65 Use 64-bit math to compute the sizes of memory allocations in extensions. 
FossilOrigin-Name: ca67f2ec0e294384c397db438605df1b47aae5f348a8de94f97286997625d169
 2019-01-08 20:02:48 +00:00
drh
8fc4a11c94 Fix harmless compiler warnings in the unicode2 logic of FTS3 and FTS5. 
FossilOrigin-Name: 703029ac6d24860230a8c30fcbf5e7e1da619e84f1cc9b9e65ebc74879a184d2
 2019-01-02 23:49:47 +00:00
dan
b163b57212 Fix problems in fts5 found by ASAN. 
FossilOrigin-Name: c564bf870106faef297594a51995619c80311d06bd5f8a0c7644f666f22ba576
 2018-12-28 07:37:22 +00:00
dan
d8f3b4c320 Fix a problem with corrupt fts3 database detection introduced by [95a9a39f]. 
FossilOrigin-Name: c80bb15b44e9b6a3c0c5a49d5e93e66376c3520ecefc1db7425c8a7e09d3eade
 2018-12-26 14:15:09 +00:00
dan
29e9af8848 Change the way a comparison used to detect corrupt databases in fts3 is done 
to avoid potential pointer overflow in 32-bit builds.

FossilOrigin-Name: 95a9a39ff784b960b62dd6298e722a620ba3f9c8b76839a49bbef35d7bc84a8e
 2018-12-24 13:34:36 +00:00
dan
fb11bf8c91 Avoid a left-shift of a negative value (undefined behaviour) when dealing with a corrupt database in 
fts3.

FossilOrigin-Name: b851d12474035328df8354c7da8d81bc78833c8c704153f9f573c19b47a8487e
 2018-12-22 09:39:06 +00:00
dan
1ea0443c2d Add new sqlite3_prepare_v3() flag SQLITE_PREPARE_NO_VTAB, for preparing 
statements that are not allowed to use any virtual tables. Use this to prevent
circular references in triggers on virtual table shadow tables from causing
resource leaks.

FossilOrigin-Name: 25666e3d03950caf753295cdb55df162e07dbcf6840b05875c6e0b127c469ecb
 2018-12-21 19:29:11 +00:00
drh
afdc9e23fc In FTS3, avoid calling memcpy() with a NULL source pointer, even if the 
transfer amount is zero bytes.

FossilOrigin-Name: 1abb83d29a06308c96bea379311b390240347c5f81824749348d18ad75840c96
 2018-12-21 18:51:27 +00:00