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Author SHA1 Message Date
dan
85f2c76cf9 When running ALTER TABLE, avoid adding some internally generated tokens to the token map to improve performance on schemas with nested views. 
FossilOrigin-Name: 4cf8721f5ceb1fdaefdc355b3211f75c53c4cdf9d2582ca70fc96777a9b057c2
 2020-04-06 16:37:05 +00:00
drh
47f8ef32a0 Remove a NEVER() that could be true in sqlite3MatchEName(). 
FossilOrigin-Name: 921448f0e24a3753374b32be9d7bf36a9ca5d8522eff9f0b51dc243f08652419
 2020-04-04 11:58:22 +00:00
drh
2e52a9c611 In the push-down optimization, do not substitute columns that have previously 
been identified as being constant by the propagate-constants optimization.
Fix for ticket [51166be0159fd2ce]

FossilOrigin-Name: 70c44811d12f540d4ec1c29dedbe999cf79b82e326a8712ae2fa0725d6bd8a65
 2020-04-04 00:15:54 +00:00
dan
c59b4acf5d Avoid factoring out constant expressions on the LHS of an IN(...) operator, as the IN(...) operation may affect the affinity of these values. 
FossilOrigin-Name: 98d56b4a34fddcbaecd953a045ae0270b4d78c1edf34cc73522fb4e12743af80
 2020-04-03 19:37:14 +00:00
drh
a96a69b7db Add a test case to fuzzdata8.db for the recent Henry Liu bugs. 
FossilOrigin-Name: 42b02454b146ca1b04c0a5321465326435fc5b995f5498d3b1cf69c558a20f95
 2020-04-03 16:11:32 +00:00
drh
eb110d9687 Merge updates from trunk. 
FossilOrigin-Name: 348c40136c8ec20f36ccdd4c8a6d4ec2d8274328b86b25b385813e3aae31ea8b
 2020-04-03 15:48:05 +00:00
drh
c415d91007 In the event of a semantic error in an aggregate query, early-out the 
resetAccumulator() function to prevent problems due to incomplete or
incorrect initialization of the AggInfo object.
Fix for ticket [af4556bb5c285c08].

FossilOrigin-Name: 4a302b42c7bf5e11ddb5522ca999f74aba397d3a7eb91b1844bb02852f772441
 2020-04-03 13:19:03 +00:00
dan
4db7ab53f9 Do not suppress errors when resolving references in an ORDER BY clause belonging to a compound SELECT within a view or trigger within ALTER TABLE. Fix for ticket [a10a14e9b4ba2]. 
FossilOrigin-Name: 684293882c302600e112cf52553c19d84fdb31663d96e5dd7f8ac17dda00a026
 2020-04-03 11:52:59 +00:00
dan
fb99e388ec Fix a case when a pointer might be used after being freed in the ALTER TABLE code. Fix for [4722bdab08cb1]. 
FossilOrigin-Name: d09f8c3621d5f7f8c6d99d7d82bcaa8421855b3f470bea2b26c858106382b906
 2020-04-03 11:20:40 +00:00
drh
49d01abaac Fix a minor problem with EXPLAIN QUERY PLAN for triggers. 
FossilOrigin-Name: 6e11c03f84efa93b218b07e39b6b56b1d872639f39c18498ee54d8cd8364d4f5
 2020-04-02 19:58:31 +00:00
drh
e1cd73f671 Minor changes for better test coverage. 
FossilOrigin-Name: ae3ac297d2deee2a687ae2e9cf98aaf3e1b41196363238101a19d38092aebec6
 2020-04-02 17:21:51 +00:00
drh
91654b2016 Fix an obsolete comment in the parameter binding logic of the CLI. 
No changes to code.

FossilOrigin-Name: c9c735e201d7900d8c2b766463a6c90f547d9844352719dc650734e25e635fad
 2020-04-02 13:21:10 +00:00
drh
c004bd54e3 Fix another harmless compiler warning. 
FossilOrigin-Name: 949eec2530bbe7f48daddfb3022d60ea5d7a43f0f5d120e71c682054feb721db
 2020-04-02 13:08:54 +00:00
drh
e0ef4e2b47 Add a missing #ifdef to avoid a harmless compiler warning. 
FossilOrigin-Name: cc54de354317ebc080d4d1ee25427b31a49c4a75e01cb5d9966f1aaeb2ad098d
 2020-04-02 12:53:17 +00:00
drh
e065a18a4b Merge enhancements from trunk. 
FossilOrigin-Name: d1731385c077f298b0cf654d6183ed40f7e5c07e4e2ab7f69109cf951ce99d9e
 2020-04-02 12:24:08 +00:00
drh
31e3744ecb Simple fixes to PRAGMA analysis_limit. 
FossilOrigin-Name: c20d4fdee21409ebc9c65c9540af8ac48d1f4425499a6674ef9319655c192612
 2020-04-01 01:15:16 +00:00
drh
49a76a8fe5 Add "PRAGMA analysis_limit=N;" to limit the number of rows visited by 
ANALYZE when N is positive.  Positive N also disables collecting stat4.

FossilOrigin-Name: a279b151c1623807774daf4975175c62ea252eefb71f9820ced6773769b392c5
 2020-03-31 20:57:06 +00:00
drh
dcdd707a9c Merge recent enhancements from trunk. 
FossilOrigin-Name: c705ce266ad25af71791035590875f0ea9f2c72826b3eda17f065d2bf091de92
 2020-03-31 18:41:21 +00:00
dan
892edb69c4 Use __atomic_load_n() and __atomic_store_n() for a few more things where they are available. 
FossilOrigin-Name: a49f8ec552bede7da731e0571ccf49de1a30e7be3a5673150436c8b411ba6ffc
 2020-03-30 13:35:05 +00:00
dan
3e42b99175 Fix "GCC_VESRION" typo in wal.c. 
FossilOrigin-Name: fbd9378727141848ba2f5a8eee3076ecbd315e4a87b264c6d890103d56b2e4bc
 2020-03-30 11:17:37 +00:00
drh
218da8c6f1 Enhancements to the SQLITE_ENABLE_SETLK_TIMEOUT compile-time option to avoid 
rare deadlocks on recovery.

FossilOrigin-Name: 06885e9aa4e430d10f4b32105bcf405c65fd6f7b4cd451baf56fb4f12f408963
 2020-03-28 19:02:39 +00:00
drh
b1243a6d9c MSVC does not allow constant expressions as initializers for 
constants with /fp:strict.

FossilOrigin-Name: 076658e5d21d9284448f41312b83a6c3d25394c2bfa088ef6cdfe1dc60277856
 2020-03-28 12:01:25 +00:00
dan
97ccc1bd11 Modifications to the way blocking locks are used in SQLITE_ENABLE_SETLK_TIMEOUT builds so that multiple processes or threads may not deadlock when operating on a single database. 
FossilOrigin-Name: c516027d5fd876b7d0bf566435667d554db29ded30ad6fc1165caa4a93d015a0
 2020-03-27 17:23:17 +00:00
drh
8f78a528d5 Add the tables_used() table-valued function as a variation on bytecode(). 
FossilOrigin-Name: 6283c677d57220e54375a6463f453c6d068e042263558df16cff1055d1b0d3f5
 2020-03-26 16:48:18 +00:00
drh
c5eeacd58b Merge updates from trunk. 
FossilOrigin-Name: d7db09101878102e192ee7a81437e8f6f2e317ddf110852673a2e81d1f80ae0e
 2020-03-26 15:28:46 +00:00
drh
95b395901a Reinstate the optimization that converts "x IN (y)" into "x==y". 
FossilOrigin-Name: 27936e6884e77093533719c7955a17f051cfb359872e51a6d1481152e6256443
 2020-03-26 00:29:50 +00:00
drh
cdbb28154e For the LIKE pattern in the .dump command of the CLI, accept backslash as 
an escape character.

FossilOrigin-Name: 029ceea612f5c7a1420939d8a772eefcc6f9550d24d57b52ae1729ea9d85fae9
 2020-03-25 20:31:45 +00:00
drh
8e9297fb79 Enhance the ".dump" command in the CLI so that it accepts multiple LIKE 
pattern arguments and shows the union of all matching tables.

FossilOrigin-Name: 45fba3d7055f90f67005ca740687f060a2311db40c8f6a161bfea0424e6ebf6d
 2020-03-25 12:50:13 +00:00
drh
7797207554 Optimize the "subprog IS NULL" constraint. 
FossilOrigin-Name: ca8c5f028b9f6f32639c8bc9df5dc02537e21385fcbe7e1ae600c640977ea0d5
 2020-03-24 18:41:58 +00:00
drh
cf08f08d2c Fix a memory leak. 
FossilOrigin-Name: c9f3405eeac8aff171b5d76bae954f3b51b353d16286a3d2af43ef942c212abc
 2020-03-24 17:52:31 +00:00
drh
0518d06117 Provide content for the bytecode.subprog column. 
FossilOrigin-Name: df893364b7cea07ff2b15b80cb294dccaffe701d51452264599b55304a36fa7c
 2020-03-24 13:27:53 +00:00
drh
eeb55d8694 Fix the build so that it works even without SQLITE_ENABLE_EXPLAIN_COMMENTS. 
FossilOrigin-Name: 5896cbf4d0c7854c29c96d2ea2cea4adaedaa027a0fe4a3f0ac4dfbeaabb8dec
 2020-03-23 23:17:38 +00:00
drh
8c5163a697 The bytecode() function now runs and sometimes works, but it untested and 
there are known problems.

FossilOrigin-Name: 6819b86eb2de516c445655a83f9b2ba5ae0bff660cffaf84f1345d9be79b051e
 2020-03-23 20:58:55 +00:00
drh
cb49f5468e Further simplification and modularization of the EXPLAIN logic. 
FossilOrigin-Name: aee1c12f4227cea9e8c6295cee3ec11797422c31b48c9468f176eb52f8261fe8
 2020-03-23 19:14:11 +00:00
drh
356cd76aa8 Begin breaking appear the sqlite3VdbeList() routine into subroutines that 
can be reused by the bytecode() table.

FossilOrigin-Name: 2c4dd79fbd4b9f72634a732abb9ed833cd8c9b05fe1e10af8f23e6d6ec023c7c
 2020-03-23 17:24:46 +00:00
drh
691b5c54b8 Infrastructure for the bytecode() table-valued function. The function itself 
is not yet implemented.

FossilOrigin-Name: 2795f0d633577e0de66b389d9e8e44c55e85975bdc62f1a0b8f93959d19b22bf
 2020-03-23 15:49:22 +00:00
drh
74a07986ce Fix to the recomputation of the colUsed field added by check-in 
[a9bb71ba708ba722].  This fixes ticket [5829597ac43811e3].

FossilOrigin-Name: 5d14a1c4f2fc17de98ad685ad1422cdfda89dfccb00afcaf32ee416b6f84f525
 2020-03-21 23:10:38 +00:00
drh
f7f6dbf501 Enhance the treeview system to show the SrcList_item.colUsed field for 
FROM clause elements.

FossilOrigin-Name: 8a5c539b77aa174c048a504d211c56902075f9b42b654e1f8cc5767739e5fcc9
 2020-03-21 22:03:32 +00:00
dan
7d76fad8eb Simplify some of the code modified by the previous commit. 
FossilOrigin-Name: 04abadb545d1b34bdd74d62becb3bfd83aceee373fd6b4b708d5ad53f41d9464
 2020-03-21 20:58:05 +00:00
dan
31f170f396 Ensure that "main" can always be used to refer to the main database, even if it has been renamed using SQLITE_DBCONFIG_MAINDBNAME. 
FossilOrigin-Name: 682b426f5658254e63dff02c960b557fb33cb3e944fdd14faa0aa9988af7269a
 2020-03-21 15:41:55 +00:00
dan
465c2b8964 Consolidate some code on this branch. 
FossilOrigin-Name: a85c63daa640e02fdfd891a05a1a09e848c9621a5dd6e112338451008623ecbb
 2020-03-21 15:10:40 +00:00
drh
2c3629e1c9 Change a bitfield in sqlite3_stmt into an unsigned character, for slightly 
smaller code and better performance.

FossilOrigin-Name: 0d4d3c642494ad494b4ec937215eaf833158e62e5ae59ed981d6b546220c13b8
 2020-03-21 15:07:27 +00:00
drh
62b6e1d042 Performance optimization in sqlite3VdbeMakeReady(). 
FossilOrigin-Name: aa92f9b95f95d40cc58910da87168a5bd440f71deb072dc651bb15936315786c
 2020-03-21 14:22:27 +00:00
drh
2aee514b4c Recompute the set of columns used for each table when the table is 
involved in query flattening.

FossilOrigin-Name: a9bb71ba708ba72255ba8d18c9856e38ddf53eae2d61c8435149354fb2b2459e
 2020-03-21 00:05:53 +00:00
dan
00bd55e1ae Allow "main" to be used to refer to the main database even after SQLITE_DBCONFIG_MAINDBNAME has been used to assign another alias. 
FossilOrigin-Name: 75c85ca32f9ae4a28fd8f8ff2f7639599413d22af706e9799a0e76cc560d14eb
 2020-03-20 20:54:28 +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
589c787620 Chagnes the ESCAPE clause on the LIKE operator to overwrite wildcard 
characters, in order ot match the behavior of PosgreSQL.

FossilOrigin-Name: 11e0844f71e8f2d27ce9363fb505e02fd7795c61dae0b3886cf0d8df4484dd97
 2020-03-19 18:13:28 +00:00
drh
f0a2172d1d Fix an integer overflow problem with the dbstat virtual table that comes up 
when trying to analyze a corrupt database.

FossilOrigin-Name: 1d64f4a8af81fe1235fffa54884d8f842a48ff6a33d6172f0cd65bf42fe8b2a1
 2020-03-19 17:27:52 +00:00
drh
91a23dc299 Fix a typo in a comment. No changes to code. 
FossilOrigin-Name: 3a51919ac23ae7312d78905334dc97742b517a7476052a85aa07945d9c77697b
 2020-03-19 15:57:03 +00:00
drh
78a50d7280 Fix the build for when SQLITE_ENABLE_STAT4 is defined. 
FossilOrigin-Name: 8f0a8c2aa45f7cf7339094d83893aeb046b010b5b97bb4dae99ac07a8ebf2fa6
 2020-03-18 15:58:13 +00:00