6975fc56f7
Slight API doc tweak for xCheckReservedLock(), based on forum feedback. No code changes.
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FossilOrigin-Name: 2af7a96f6868a4529d689702926b350a4c00082f14da0ded5a8eaea295682d17
2024-06-12 11:39:29 +00:00
cf2710e0b6
When compiling shell.c in SQLITE_SHELL_FIDDLE mode, ensure that the shell_main_exit goto label is reachable.
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FossilOrigin-Name: 06e6f64533563ab9c059b773e5f0d78085df716f2624e547b7259f6789c3ffe0
2024-06-11 17:04:02 +00:00
941602ae4f
Change constant expressions to pre-computed constants, because apparently
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MSVC on ARM requires that.
[forum:/forumpost/4feb1685cced0a8e|Forum thread 4feb1685cced0a8e].
FossilOrigin-Name: 6c103aee6f146869a3e0c48694592f2e4c6b57ecdb4450f46e762c38b4e686f1
2024-06-11 14:36:56 +00:00
34e4c6f732
Improved header comment on the sqlite3FpDecode() implementation.
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For the fpdecode() SQL function (available in debug builds only) limit
the value of the third parameter (mxRound) to be positive.
FossilOrigin-Name: 56af06fa12104a1fe119d7087746011183af053834eac72d0fb69f60d98054c6
2024-06-10 12:43:03 +00:00
2fbb3fb532
Disable the omit-noop-join optimization when there are 64 or more terms in
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the ORDER BY clause.
FossilOrigin-Name: 40de3939792e17df25598b3e60d1cebcecde2b00832acd55604f14b21398a9a7
2024-06-09 17:34:03 +00:00
4703b7d092
Better optimize queries that use parameters in the LIMIT clause.
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FossilOrigin-Name: e58cb304d1e0ec6e30260a165aaccc2cf096ce6c999efb06683c4ef600ee12ef
2024-06-06 15:03:16 +00:00
404ddadbd4
Re-enable [dcc2bb2c562e97e090174], as [296eeb26c816bc73] corrects the wasi-sdk build problem the former check-in triggered. Reported in [forum:143e40d7f4e79c66|forum post 143e40d7f4e79c66].
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FossilOrigin-Name: f66608bd356efe492d1003663c2e1ccd7cfbf2d40393d256f8720149904ad2d5
2024-06-06 12:22:19 +00:00
fd6beda14b
Adjust the parser so that the value of TK_ISNOT is similar to the value of
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TK_IS. This helps the compiler generate faster switch() statements on the
Expr.op fields when there are cases for TK_ISNOT and other common operators.
FossilOrigin-Name: 34f05c3d89b2dd15e4b0d1ba292df7de3dfc54b505c0ba145cc3db52cf020845
2024-06-06 01:21:57 +00:00
48f5e52728
Small performance optimization in the operatorMask routine of the WHERE
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clause analysis logic.
FossilOrigin-Name: 9d69fc1c87ae673356869ecd89eb19734fd126702c0f9fe595336ecd7be89e08
2024-06-06 01:00:50 +00:00
b458cbb601
Small performance optimization in the allowedOp() routine of the WHERE
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clause analysis code.
FossilOrigin-Name: 4ba8be544711e07748e8dd3ca6b81f9897906061c0a1a1bb4fb3808dc27f734b
2024-06-06 00:49:36 +00:00
0de7da1998
Small performance optimization in the codeEqualityTerm() routine of the
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code generator.
FossilOrigin-Name: 8080c6eafd1280ea870a6ab1ba715ac5af67387e69771be6cbd46dda77c3eaa8
2024-06-05 20:41:36 +00:00
e3eefe00dd
Fix a very obscure issue where the name resolver could get confused if aliases like "sqlite_schema" or "sqlite_master" were used in a query involving the sqlite_temp_schema table.
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FossilOrigin-Name: a096eb7554952f8137c6e9330c328164719fb27e958787fbd503bcd1364e6ae4
2024-06-05 11:36:58 +00:00
7d24afa0de
Better handle WHERE terms that are common to two or more OR branches when planning virtual table queries.
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FossilOrigin-Name: 1976c3f7e1fe77cf3367710e8ada230a3672ed374e316425164e42b2622526c7
2024-06-04 17:26:15 +00:00
077f9b14f1
Fix a couple of memory leaks in the shell tool code that could occur when processing errors.
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FossilOrigin-Name: e84f09d469ee76a5b5e44baf6a69b90c69d4160fa4c32de04a96f868643acd96
2024-06-04 15:07:38 +00:00
c5a0ed7b43
Allow shell command "testctrl pending_byte" to be used in unsafe-testing mode only.
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FossilOrigin-Name: afa45c4f5afc9248ca4a1e775404a460280bb9a58a92eae508ae00fb2f675dc6
2024-06-04 14:32:31 +00:00
8741ca0819
Address a corner-case associated with the call-function-once optimization
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of check-in [663f5dd32d9db832] that was causing a (harmless) use of an
uninitialized bytecode register.
dbsqlfuzz 8a44f675401a8b1f68a43bf813c4f4f72ad8f0ea
FossilOrigin-Name: b37ac2d020873b78efa164036db4056406a67330679f850775da520cd8027cb9
2024-06-03 18:04:10 +00:00
586b2b2a54
Omit an unused #define.
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FossilOrigin-Name: 9c2de28a146e4cdfa4c05bf8dbd4ebb1156c71104001edf68e6dd5db21deb91f
2024-06-03 12:36:43 +00:00
e1b55a5af9
Modify three #if checks in os_unix.c to improve handling of SQLITE_OMIT_WAL on WASI builds. Based on the discussion in/around [forum:57e918431735128a|forum post 57e918431735128a].
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FossilOrigin-Name: 296eeb26c816bc734530cf446922f25be970b901c884df1a98083502f0d1e9f5
2024-06-03 07:22:28 +00:00
0507e6e388
Be more aggressive about freeing memory associated with the
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sqlite3_index_info.idxStr field.
FossilOrigin-Name: 85dcd0a8479a658203833cfd75f22813faa26d4793ebfbb8843035d683bee105
2024-06-02 10:52:35 +00:00
af35432400
Further tests for OR constraints on virtual tables.
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FossilOrigin-Name: ff4a30056f8dbcbd045afdbee485f6671c3580b95187144aa9a77c97dfda2647
2024-05-31 20:32:10 +00:00
cadfdd4e09
Better handle WHERE terms that are common to two or more OR branches when planning virtual table queries.
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FossilOrigin-Name: 4edd9b29f58621335b8a562280c991c34804bbba090f90c951261d043cff1965
2024-05-31 19:26:22 +00:00
5ef9c89977
Do not even try star-schema detection if the join has fewer than 5 tables,
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since 5 is the minimum for a positive detection.
FossilOrigin-Name: a07ec16bbc056fbc23a7bd58e5e32ef691c13e9babeb542918cf9a01cac40c20
2024-05-31 15:39:00 +00:00
d72ca8f810
Document the OP_Explain opcode. Add the WhereLoop.rRun value as P3 in
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OP_Explain opcodes associated with WhereLoops, for testing purposes.
FossilOrigin-Name: 996c46e61d9a53a54018672dd407b8ba8c480dd6795393428f9d5fcb81b47ab5
2024-05-31 14:39:42 +00:00
2f755cdc3a
Back out [dcc2bb2c562e97e090174], as it breaks the --with-wasi-sdk builds.
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FossilOrigin-Name: 62199562c26f77d059aa0bbda42a421a7aece828aa94d14a40c701a6384d1cf6
2024-05-30 21:54:16 +00:00
4c86b2db0f
Remove the unconditional SQLITE_OMIT_WAL when building in wasi-sdk mode, per [forum:80003e91a7a6cb4d|requests in the forum].
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FossilOrigin-Name: dcc2bb2c562e97e090174d4d0970bfa1551e5eb4db022e6d232c4dd786818e45
2024-05-30 17:56:26 +00:00
1344b540d9
Ensure that the second pass call to wherePathSolver() always reports a positive
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value for the estimated number of output rows. This fixes a long-standing
(though exceedingly minor) problem that was only revealed by a new assert()
added yesterday. dbsqlfuzz 545d6debc2da496ab2b915e33ea34d9a35a935df
FossilOrigin-Name: a47c644fef71f3ab3dc584ea917eaab9a8e5b4c9dcb57bdd29747ba32108e85f
2024-05-30 13:27:29 +00:00
5b7048d5af
Update shell.c to use the msteve fork of linenoise, per /chat discussion.
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FossilOrigin-Name: ee92fa8366b743266b17c692499087c0d11b9302d096c3dfb4e6356b467e939e
2024-05-30 11:14:16 +00:00
1085eee098
Change an assert() (incorrectly) added by the previous check-in into a
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testcase().
FossilOrigin-Name: 5e64b541d175c10a5df67ef3419ecd74fcb51392af5f5458973cea85ee6a3246
2024-05-29 14:32:22 +00:00
eccb42eb0e
Small performance enhancement in wherePathSolver()
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FossilOrigin-Name: bdab69641df4704f7b080cf7841bbf39da9160222f7b664a79ed662b70ca7b0a
2024-05-29 14:04:52 +00:00
bb24c75b41
Improvements to comments and debugging output.
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FossilOrigin-Name: 85164ee155e42809fe34e6c6b6fbe0a2baa9d616326a811173a0b0c8a885fcce
2024-05-29 13:29:39 +00:00
54bfc9435f
Remember the amount of the heuristic cost adjustment associated with
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star schemas and compensate when computing whether or not to use Bloom
filters.
FossilOrigin-Name: 21daf2463ef70e6b5dc73ba5bf62b3d2fb504e9189f645ac74b513d3d8b979c2
2024-05-29 10:40:53 +00:00
c34ff12c59
Use a heuristic in the query planner to help it better cope with large
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star schema queries.
FossilOrigin-Name: a98be0f548f277fab8f38a2dec6ddcbe7a7fff27856ba19e76ad8c5641894b7b
2024-05-29 00:38:12 +00:00
d60a503b4c
Fix a couple of assert() statements so that they cannot fire
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when the SQLITE_TESTCTRL_INTERNAL_FUNCTIONS debugging capability
is activated. dbsqlfuzz f5b347cf167a62fbe08062b2feee65cb9306e363.
FossilOrigin-Name: 273504b74cb9c3cfa2497a1339e706a1f2d2c3ce81b23a16beb47da9292535e0
2024-05-28 19:08:18 +00:00
05665e9de9
Tweaks to the query planner so that it is better able to deal with star
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queries with many dimensions and bad indexes.
FossilOrigin-Name: 1e49081001f93b75ee499536f8a61a0f49225a1745117bb9267249c38c4bf803
2024-05-28 18:53:36 +00:00
efe474af97
Increase the number of parallel paths in the query solver from 12 to 20.
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In the .wheretrace output, sort the parallel paths in order of increasing
cost.
FossilOrigin-Name: 8ba2c2f5cb31f7bcc426bec78457316ef11d0b5debf24e8da8c6fc2f95878b1e
2024-05-28 12:41:11 +00:00
6fa46d0e06
Documentation typo fix. [forum:/forumpost/772d6688f5|Forum post 772d6688f5].
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FossilOrigin-Name: 1f2f9c709eaee3c45664afa062f0fb2b912de446581066c87ea144b8ba55b55c
2024-05-28 11:24:18 +00:00
18970dac18
Improve the automatic-index decision such that no attempt is made to create
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an automatic index on a column that is known to be non-selective because if
its use in other indexes that have been analyzed. See
[src:/tktview/8ff324e120|ticket 8ff324e120] and
[forum:/forumpost/b21c2101a559be0a|forum post b21c2101a559be0a].
FossilOrigin-Name: 2a7603c327d11d5e6bc4d40c29151fea544d650f51200ff76efb921adb0c38df
2024-05-28 00:16:52 +00:00
38af125238
Query planner tuning: Increase the maximum number of simultaneous solutions
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to track int eh solver from 10 to 12.
FossilOrigin-Name: fe2e1dadbacbe6392ceed44fd287a2ed82189cb8055f35631d37967d9a7a5d1d
2024-05-28 00:01:07 +00:00
b23f92b286
Avoid creating an automatic index on a column that is known to be not very
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selective.
FossilOrigin-Name: 70409763f70faa2a0f4f072fd318a687b109a0905cc57906ad7f80d2885fe6d9
2024-05-27 21:55:01 +00:00
eeb8506c18
The previous check-in was a little two aggressive about skipping the
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initialization of entries in the CellArray.ixNx array. Fixed here.
FossilOrigin-Name: 1b6d1fbcdecf14bc79dc7b5df50e585d2fcc1484a9987b863c190e8f7ba2c39f
2024-05-27 19:52:24 +00:00
d081df0a5d
Fix typo in comment used to generate parts of the documentation.
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[forum:/forumpost/da5a2ca4db|Forum post da5a2ca4db].
FossilOrigin-Name: 428aadf0c71473ccb0681b2b7146281c62949ee99556873e49895d44eec7aee5
2024-05-27 18:15:08 +00:00
09d8e696dc
Very small performance increase and size reduction by removing unnecessary
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ALWAYS() macros from the btree balance logic and replacing them with
special initialization of CellArray and some assert()s.
FossilOrigin-Name: 32b79041d9b6858e4ffade5841898619c7d25d20c4638bf85447a2ca9cc4a3d3
2024-05-27 15:13:49 +00:00
20c118faec
Doc typo fix. No code changes.
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FossilOrigin-Name: eaf07fe69f383938dd394f58cedad3f16f146d9b48e66bc1ba17446cf75ffb3f
2024-05-27 13:41:46 +00:00
fefe24ddf8
For compatibility with PostgreSQL, when right-hand side of the ->> operator
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is negative, it should index from the right side of the JSON array on the
left-hand side.
FossilOrigin-Name: 82365a45b96536c1146a384e5d3efce80a6ec469a54713c7f40bf15eb834b5fd
2024-05-27 13:24:39 +00:00
09f87094bd
Fix a possible buffer overwrite in the ".import" command. [forum:/forumpost/0c447f0548|forum post 0c447f0548].
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FossilOrigin-Name: 0fd958fa9b56a8ef254127e29800ca2a267590e86edf739bd339239b25a5da6e
2024-05-27 11:35:05 +00:00
ee8f926027
Add new assert() statements to help out a static analyzer. Response to
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[forum:/forumpost/17fe8ac32e0de4f5|forum post 17fe8ac32e0de4f5].
FossilOrigin-Name: 857f6d530949221d154b5120ecc2aa906418bec6f69d1c13197a432ba3cad8eb
2024-05-27 11:31:02 +00:00
4ed784d1e8
Ensure that sqlite3ViewGetColumnNames() returns non-zero on any error.
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dbsqlfuzz d9de2a508f693e5a228d7a01d5341e3c64326fbb.
FossilOrigin-Name: 57aeb3a287fc190bf8d438a7b03d6715c05fd3fd71559c6a14d7bd910d37b38d
2024-05-25 23:13:15 +00:00
4aaf45e246
When omitting result columns for the vector-IN optimization, make sure that
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any result-set column references in both the ORDER BY clause and the
GROUP BY clause are updated appropriately.
FossilOrigin-Name: f890812df0a57fcd201647640d8b9ee26047cd93cd7171bc6fd050f574649345
2024-05-24 20:18:16 +00:00
89b04f3786
Ensure that queries like "SELECT indeterministic(a) FROM tbl GROUP BY 1" invoke the indeterministic function only once for each row of tbl.
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FossilOrigin-Name: 4555d66547e28cb110e1012b145bcf3aafb5d4bde05e9d27bcb4ca33837b28f5
2024-05-24 18:31:39 +00:00
31079226f7
Add the stmtrand() extension function for use in testing.
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FossilOrigin-Name: 5c97a5b9d163b1c427e002f3734687ca0384bc0da6a90fc4bfd358c654d3a7b3
2024-05-24 14:16:06 +00:00
stephan