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json-opt
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19158 Commits

Author SHA1 Message Date
dan
51ddfef74d If there are already 500 or more simple SELECTs in a query, do not add more by flattening UNION ALL sub-queries into parent join queries. 
FossilOrigin-Name: 9520bed2bd87dc56543ee58123323d293e960ecd84707b77f15f41669a2c9c3d
 2021-03-17 14:29:37 +00:00
drh
a7d8d4a07a Date/time functions with no arguments (ex: date() or time()) should be 
non-deterministic.  Fix for ticket [2c6c8689fb5f3d2f].

FossilOrigin-Name: 1734c332e7f609769fc30f82cf7af097c2964e08900ee3e297f6a25e6df60555
 2021-03-16 18:41:20 +00:00
dan
1fffa73ea2 Add tests for sqlite_rename_quotefix(). Fix a memory leak in the same. 
FossilOrigin-Name: 531550056c38589c99c9a97b6afdbf8f34ff8d2131d74e9d42af3506e8045064
 2021-03-16 18:24:49 +00:00
dan
2ad080aa82 Have ALTER TABLE RENAME COLUMN and DROP COLUMN use sqlite_rename_quotefix() to convert any double-quoted strings in the database schema to their single-quoted equivalents. 
FossilOrigin-Name: 6446c0961077396086251670102ea7bf17d54a6b0f0ca56c6af89028a1ff9039
 2021-03-16 16:14:48 +00:00
dan
00bc66f2cc Merge trunk changes into this branch. 
FossilOrigin-Name: f15d51054afb1e3fec87938f2b04a5a0d0611b08248367850450de7c4166e3d1
 2021-03-16 11:21:36 +00:00
dan
776a578c21 Fix a problem with ALTER TABLE RENAME COLUMN when used on a schema that features generated columns. 
FossilOrigin-Name: 0e255b26872b50581d470952dd98e21dd82d081885006f58d49daa4b4576b35d
 2021-03-16 11:11:07 +00:00
dan
1e24072d05 Add internal SQL function sqlite_rename_quotefix(). For converting double-quoted strings to their single-quoted counterparts in DDL statements. 
FossilOrigin-Name: d874b300463ce0bbb53b7e2f88c6a12893e4fd751fcc7f810077ba108f4061ef
 2021-03-15 20:22:34 +00:00
drh
67c4ce131b Improvements to the built-in ".dump" documentation in the CLI. 
FossilOrigin-Name: 0915f969f429a8d0b594e937e0128d5476774d9bbe4a24081dbc60273cb5bb9a
 2021-03-15 15:12:10 +00:00
larrybr
7bdbe59829 Make shell's .help output for .dump more accurate as to what can be dumped. 
FossilOrigin-Name: f91d8c09a02f7a7ab354c49cd193d422074daa5eb908f17d1907a8c2b38f96a5
 2021-03-15 12:56:00 +00:00
drh
44d441313a An alternative approach for fixing ticket [1c24a659e6d7f3a1]. 
FossilOrigin-Name: a2adae907a28e169e64cfe69d97d7b68cb94e6ba07d2dfa995e3fbc6672fafdd
 2021-03-14 19:55:40 +00:00
dan
b19a581241 Fix a memory leak in the new code on this branch. 
FossilOrigin-Name: 0817cf2ec08fdefd3c1d41790df7b5d6d490767757b44bb0229694023c8e40fc
 2021-03-13 18:23:30 +00:00
dan
9bfafa8917 Fix typos in comments and add test cases. 
FossilOrigin-Name: 01312a3dbd92823af535dc618c68d95a2aa1cbee2501b0a9826eae3f09bec760
 2021-03-13 17:21:24 +00:00
dan
7607580791 Fix a crash in new code on this branch. 
FossilOrigin-Name: c05ed2a8a9c4975c69bdfa733598ed90c1509d52b3c39dedbd829ab148777e1d
 2021-03-12 21:09:20 +00:00
dan
051170c453 Merge latest trunk changes into this branch. 
FossilOrigin-Name: 198bc510d64b5794559584ad5c9de41dc966dce4eb78be15b12adba43dfcb639
 2021-03-12 18:33:55 +00:00
dan
5383db714e Attempt to use an index for DISTINCT aggregate queries that have GROUP BY clauses. 
FossilOrigin-Name: 3bca003cd2b2cb38d4a4e2e5f673ee0ac05bfe31247ec09e7bd379b77a31b44c
 2021-03-12 18:24:31 +00:00
drh
9d59e3b1bf Fix the ".read" command in the CLI so that SQLITE_OMIT_POPEN disables 
reading from a pipeline.

FossilOrigin-Name: cea34f3cc35ad6dc67691799a219a30739f2296945d624d232bf76150c598ec0
 2021-03-12 01:49:08 +00:00
drh
662a1426cb Improved testcase() related the SQLITE_MAX_ATTACHED vs. SQLITE_MAX_DB problem. 
FossilOrigin-Name: 27d3c00efef66ad48ed94228474dbea3ad81ea5c19425028c42cf4220920a645
 2021-03-10 18:21:18 +00:00
drh
099b385d17 Do not confuse the constant SQLITE_MAX_ATTACHED with the maximum number of 
schemas.  Add the new SQLITE_MAX_DB constant for the maximum number of
schemas.  [forum:/forumpost/a006d86f72|Forum post a006d86f72].

FossilOrigin-Name: 7b65fb9f7bd616f834633afd64b3448bf9ca2b6e4cc6d6c01e75d1d877c88a79
 2021-03-10 16:35:37 +00:00
dan
4049ede97d Update a comment in btree.h. 
FossilOrigin-Name: 9645fe1a050e8b61aea1fba2f142819c387ecb043741392c5719bf7ad303bf8b
 2021-03-09 21:20:12 +00:00
drh
0db20c490a Fix a bad comment (copy-paste error) in the byte code engine. No code changes. 
FossilOrigin-Name: 1c01745734c7b62a8c792f743aae08dfbb9e047dc92fef8da067fec152b20fd5
 2021-03-09 20:58:21 +00:00
drh
45e4cb8e77 Improved comments on the NOT NULL strength reduction optimization. 
FossilOrigin-Name: a85d72293914b48edbb39171fd591d37ffb09570d8103140a052203ec71d49ee
 2021-03-09 19:52:15 +00:00
drh
6d0053cfa7 Extra comments and testcase() macros associated with the new 
sqlite3ParserAddCleanup() mechanism.  No changes to release builds.

FossilOrigin-Name: c3c8691121e6cb7bfc326212cc81a7472c0e6f22e655ab024bd4bd885e1cd878
 2021-03-09 19:32:37 +00:00
dan
96ecb7b004 Add missing comment to new routine in select.c. 
FossilOrigin-Name: ef2f0cf21ba61bdd29e09cf41b012a2d757683f524a252f0af7dfee7df1a1a0f
 2021-03-09 16:47:33 +00:00
dan
4fcb30b7d7 Experimental optimization for distinct aggregates (e.g. "SELECT count(DISTINCT <expr) FROM ..."). 
FossilOrigin-Name: eb919611fd2f255e4ad1fe7db633363793169f6cf99c650eaefa48c022eb5d22
 2021-03-09 16:06:25 +00:00
drh
e58b2b4a80 Fix a bad assert in RENAME COLUMN. 
dbsqlfuzz 3f0a7245b69cd08617d7d7781ebaedb0fe765a93.

FossilOrigin-Name: f13e0d12f137cd6b4e83e92bd36652431d8416e6eed4797313e061f2e390d39b
 2021-03-08 17:17:38 +00:00
larrybr
b2e9640155 Merge from trunk. 
FossilOrigin-Name: 729117cdfa2d6ff24b66656e9ccc380199606b830fc338286e4dd10e8e787597
 2021-03-06 23:49:18 +00:00
larrybr
1b22ad8ae6 Create initial tests for appendvfs, and make it available as a statically loaded extension. 
FossilOrigin-Name: 9f33d45179f5985bd4c4f7582e94f5833a63f853c8cdc19f39cf7e3ee70177d0
 2021-03-06 23:36:47 +00:00
dan
7f8653a257 Ensure the correct collation sequence is used for comparisons when delimiting a RANGE window. 
FossilOrigin-Name: 01eae68e85b31b7a9f08733459765bbd9bf9dad592bf64f10fc2fa32e02a89c2
 2021-03-06 14:46:24 +00:00
drh
747cc9425d Fix a possible NULL pointer dereference when applying a DROP COLUMN to a 
corrupt database schema.  dbsqlfuzz 419aa525df93db6e463772c686ac6da27b46da9e

FossilOrigin-Name: 349ccf58ae4bb770805066102fc8e9e478d4da1f7a6a728223bd74eabf7b7843
 2021-03-06 13:02:12 +00:00
drh
70149ba47e Modify the SQLITE_DBCONFIG_ENABLE_VIEW option so that it always permits 
TEMP views, just as SQLITE_DBCONFIG_ENABLE_TRIGGER always permits TEMP
triggers.

FossilOrigin-Name: 83dab8b358b6832a221a58e74dd5e99b9cdea4eee65124bb6799881e867d989c
 2021-03-05 18:33:01 +00:00
dan
0d08072b68 Fix another problem with RETURNING clauses in UPDATEs against tables with virtual columns. 
FossilOrigin-Name: f0ef5c76ab1a6568b9148b928277bf589d4cb7033c0acf3e6323879b656d8bd1
 2021-03-05 15:29:22 +00:00
dan
a7e16a2f05 Fix an assert() failure that could be triggered by a correlated sub-query in a RETURNING clause. 
FossilOrigin-Name: 551260c8625828262809b1ef7acf5343a3527b7e167ca0cfd13b81e5ece0e66c
 2021-03-05 15:10:33 +00:00
drh
bc7819d176 Fix the processing of implied LIMIT clauses when flattening a compound 
query.

FossilOrigin-Name: 90c6b9fcb0e15e2552fe5be53f8201f145bb535cc37b603d488eadf33438412b
 2021-03-05 14:08:45 +00:00
drh
05edf729f7 Mark the NotUsed parameter to the dropColumnFunc() function as unused, 
to avoid a harmless compiler warning.

FossilOrigin-Name: 23459071091248e94202e609bb8031c3e34722b8ae8ff5a66851dcc528a2d2c2
 2021-03-04 19:44:01 +00:00
drh
91be05a910 Put ALWAYS() on a branch that is now always true because of changes 
in OOM behavior due to check-in [9adf6e2469d18bc3].

FossilOrigin-Name: 8a1bb9c3e92085fb71d75eb36f64eb85053a4730fd314acd401e7ad32c274748
 2021-03-04 18:34:54 +00:00
dan
39b6bd5e17 Update shell.c.in so that SQLITE_SHELL_IS_UTF8 is set to 0 if the -municode option is passed to gcc on windows. 
FossilOrigin-Name: 99e6a0f020fadda4011e4ca370d2421dbf2f97f6fb004fcbba9bd6c76faf7a73
 2021-03-04 18:31:07 +00:00
drh
5f0922b96c Remove a branch made unreachable by check-in [e893f88750ea64d4]. 
FossilOrigin-Name: 20d7dc120dc964a0236da719e4de22bff5110b95da396e2ac6790e9f6b667899
 2021-03-04 16:32:28 +00:00
dan
e8dd6a4e77 Fix a segfault that could occur following an OOM condition. 
FossilOrigin-Name: 9adf6e2469d18bc3bfc0c804cfcaa692e23ab6b3e13465dcfc51c4b111b05cb4
 2021-03-04 16:10:23 +00:00
drh
aae0f74e64 Earlier detection of a misplaced ORDER BY or LIMIT clause in a compound 
SELECT.  This prevents problems in recursive CTEs with multiple recursive
terms in which there is an ORDER BY or LIMIT clause on the last non-recursive
term.

FossilOrigin-Name: e893f88750ea64d45922429e022c585748974016404f2a2b7952f5a227865246
 2021-03-04 16:03:32 +00:00
dan
50f9f6c649 Fix a crash that could occur if a sub-select inside an EXISTS expression features an ORDER BY clause containing one or more window functions. 
FossilOrigin-Name: 9768e7db624fbfe688d61ac06bffca14a169d439d8f65f5a14529af5660d3d2e
 2021-03-04 14:18:22 +00:00
dan
8718f0b613 Fix a buffer overrun that could occur in fts5 when running a prefix query against a corrupt db. 
FossilOrigin-Name: 4da40620ac8557aba6e1e06e720418b55e9950f406288b03749ef1b117041cd9
 2021-03-03 19:36:40 +00:00
drh
fad1ad0526 Fix a harmless assertion fault resulting from [6e6b3729e0549de0] that was 
discovered by dbsqlfuzz.  Enhance .selecttrace output to show omitted
ORDER BY clauses.  New dbsqlfuzz test cases added.

FossilOrigin-Name: 27a0388ad616f80e8dcc986c247a5c23a8565dae9081b04ff85bac0d357e531b
 2021-03-03 14:07:52 +00:00
dan
3083d5f5ea Fix a problem with using ALTER TABLE commands on database schemas that contain expressions of the form "<expr> NOT NULL" or "<expr> IS NULL" that can be evaluated at prepare time. 
FossilOrigin-Name: d2630ffafa077b8cfd75110b6b73da30f780edc920d2788769a4dc747f09d3f6
 2021-03-03 11:00:31 +00:00
drh
bb05976dac Cast a string size variable to 64-bit to avoid any possibility of 
integer overflow.

FossilOrigin-Name: a5940294b2ac8d157d7fa72f65ee70b713f7feb8a0a98d7f47e71acd1b6942b1
 2021-03-02 21:07:41 +00:00
drh
1b1a1dda9e Add ALWAYS() to an always-true conditional. 
FossilOrigin-Name: fa3506db2051ceade8aa535d92c0900b3cfdd8850c6d00adedeb1ebfaf6f885f
 2021-03-02 00:42:46 +00:00
drh
2d7a691fba Add #ifndef macros so that the build works again with 
-DSQLITE_OMIT_AUTHORIZATION and -DSQLITE_OMIT_WINDOWFUNC.

FossilOrigin-Name: 9400bdc60294be6a938025d481e50aad9af246e64f38fafecc6ca4f24112a98c
 2021-03-01 21:43:25 +00:00
dan
1f9f576695 Fix another msan complain triggered by a corrupt database. 
FossilOrigin-Name: d235d406283191fc7b9e1299be602f1e8be6f36cee8b183cf85c8660519a1c3b
 2021-03-01 16:15:41 +00:00
dan
1e06c70eb0 Initialize extra field in PgHdr1 to fix an msan complaint. 
FossilOrigin-Name: 4cb2ea5795b0c0678665fd89bd560209beaab8a756fe00335dbfd07493b0542d
 2021-02-28 08:24:56 +00:00
drh
676c869d52 Remove a NEVER() that might sometimes be tree following an OOM. 
FossilOrigin-Name: ccb8cf5256d01b3ff13e75e1471b1afb0055ec2c344ba886f98b83d47eba00f8
 2021-02-27 15:12:24 +00:00
dan
15de3ce9ab Fix a segfault that could occur when optimizing a NOT NULL constraint against an IPK column of a sub-query. 
FossilOrigin-Name: e4d1970ef17b2330f78c750d71d625c2997f79ed1445d0351ec32b482485a954
 2021-02-26 21:39:34 +00:00