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Author SHA1 Message Date
dan
531d01cae0 Fix a couple of memory-sanitizer complaints that could be triggered by a corrupt database. 
FossilOrigin-Name: 39c8686cabe6c437ba4860aade49a701c4f5772b97d9fbe6cb9a394e85b9c092
 2021-03-01 16:16:59 +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
dan
a3944bc4fe Add OOM test case associated with the fix in the previous commit. 
FossilOrigin-Name: a631c38d22bc00d38b0f112a623fb24c0e03a962f661ffe0931dad32fd31ba31
 2021-02-27 15:32:02 +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
dan
eca6d60bfa Attempt to optimize "x IS NULL" and "x IS NOT NULL" expressions when x is a column with a NOT NULL constraint. 
FossilOrigin-Name: de9c86c9e4cdb34f4b7d65f160d1e589fb969bbf64c66d2b24c502d1ee424dbb
 2021-02-26 20:39:08 +00:00
dan
8ddf686267 Attempt to optimize "x IS NULL" and "x IS NOT NULL" expressions when x is a column with a NOT NULL constraint. 
FossilOrigin-Name: 5ecd842555009ce27ee6390325ac5c2504143474b12b730933f0833b3dad788a
 2021-02-26 20:14:32 +00:00
dan
4b17455ab2 Minor simplification in resolve.c. 
FossilOrigin-Name: 310dac342e7b1f9b5a5df6a9d598e85d5fef59bba9307d9230baf77c8f2351a2
 2021-02-26 15:20:17 +00:00
dan
b3617e9d2d Fix test case in altercorrupt.test so that it works with SQLITE_ENABLE_OVERSIZE_CELL_CHECK builds. 
FossilOrigin-Name: 062b338ff2ea71633b4fb3c75c6a47b5fc4fe9c2a72daacd987d1eca0bda5217
 2021-02-25 18:28:11 +00:00
dan
a4656e390a Fix a problem with UPDATE and DELETE statements that use both INDEXED BY and LIMIT clauses in SQLITE_ENABLE_UPDATE_DELETE_LIMIT builds. 
FossilOrigin-Name: cc2b4b38668bd32ebd8cf2e0d244eef2a6c7e0a1ee0a34c9c43eaf25c9cc09ae
 2021-02-25 18:23:39 +00:00
dan
3dc864b575 Fix handling of INSERT on views with implicitly named hidden columns in SQLITE_ENABLE_HIDDEN_COLUMNS builds. 
FossilOrigin-Name: 15795a96a8b3f4ea368b3eb29a4ff8d1b4b33ebb2bff2a5ccb045b8f01f9f99b
 2021-02-25 16:55:47 +00:00
dan
ce5de60ff9 Ensure that tests like "rbu.test" and "notify2.test" that are only run by specific configurations during release testing are run for both release and debug versions of the tests. 
FossilOrigin-Name: 911df43f98297bf645688dc51e988106a0297cb60bb97dde699c2848404fcf72
 2021-02-25 15:50:19 +00:00
dan
e9cfe87843 When a sub-transaction is released, if no pages required by containing sub-transactions were journaled, truncate the statement journal. This prevents out of control statement journal growth in some cases. 
FossilOrigin-Name: 23ca23894af352ea351c9efcdd7d86b82455f4c81b6001052a6d13aa2d705e84
 2021-02-23 16:40:47 +00:00
dan
601ec240a9 Allow WHERE terms to be pushed down into sub-queries that contain window functions, provided that the WHERE term is made up of entirely of constants and copies of expressions found in the PARTITION BY clauses of all window functions in the sub-query. 
FossilOrigin-Name: 20689468100aed264877111367b42837ca19e63e717fed2ebd4b20b908f13178
 2021-02-23 15:53:22 +00:00
dan
34a224a13b Further tests for the push-down optimization with window functions. 
FossilOrigin-Name: 4b089f70117bfb440eaefd830c05576be0cc624d9d6018c869270dc68e44513e
 2021-02-23 15:36:06 +00:00
dan
903fdd4834 Allow WHERE terms to be pushed down into sub-queries that contain window functions, provided that the WHERE term is made up of entirely of constants and copies of expressions found in the PARTITION BY clauses of all window functions in the sub-query. 
FossilOrigin-Name: dac51f303bba1a0aac7768c688b0c134deb7641062cce2071d546f2d8f241dec
 2021-02-22 20:56:13 +00:00
drh
dee1cb3006 Add a few simple test cases for MATERIALIZED and NOT MATERIALIZED. 
FossilOrigin-Name: 64878124c160f790bc5861fd799ada03bd7db0c4426b8abc3b7ad1f7aa181168
 2021-02-22 19:57:58 +00:00
drh
c3b93d9e59 Implement the MATERIALIZED and NOT MATERIALIZED hints on common 
table expressions.

FossilOrigin-Name: b5a0778cc5a98a864bea72670f83262da940aceb91fa4cdf46ec097337a38a95
 2021-02-22 16:42:09 +00:00
dan
f43fef29bb When a sub-transaction is released, if no pages required by containing sub-transactions were journaled, truncate the statement journal. This might prevent out-of-control statement journal growth in some cases. 
FossilOrigin-Name: e36327fb22db08763a82fb517407ff5ab0dbc053953098033e7e50796a777810
 2021-02-22 15:44:45 +00:00
drh
606411bf91 Add an ALWAYS() on a branch that is now unreachable. 
FossilOrigin-Name: ace54c5bd50176db7c60b7e3cf9293a86d9ecf2fea897467044020b9684c0af3
 2021-02-22 14:25:40 +00:00
drh
17267fe393 Fix inverted logic regarding the materialization hint on the push-down 
optimization.

FossilOrigin-Name: b66a49570852cf118a372a6ac44be3070cf9b4254696f16315b7c79a614e6c35
 2021-02-22 11:07:25 +00:00
drh
745912efac Add the AS MATERIALIZED and AS NOT MATERIALIZED syntax that works like it 
does in PostgreSQL.

FossilOrigin-Name: a6bb272ec0c758ab069bfc07443624e0ea7910b1f23224ee078d050fa3ccf068
 2021-02-22 03:04:25 +00:00
drh
a79e2a2d28 Materialize any CTE that is used more than once. 
FossilOrigin-Name: ba59159fbe6b83fb6d79fbfee22d983768b0ebbaac7e99d2ac66c810e5e04100
 2021-02-21 23:44:14 +00:00
drh
7601294ad3 Rename the "struct SrcList_item" object to the more succinct "SrcItem". 
This is a symbolic change only.  The logic is unmodified.

FossilOrigin-Name: bfd5bf2c73110fcb36db9ba2a949ff516131fbd3e89325f88fe9f5c2b4ed87b2
 2021-02-21 21:04:54 +00:00
drh
5abe1d3d53 Simplified resolution of CTE names. Slightly faster and about 100 bytes 
of code smaller.

FossilOrigin-Name: 0d2c992f3622a6272ca4a3caff6b21f619fe976b8df8b34eff066086f8df2202
 2021-02-21 01:19:42 +00:00
drh
1862271f7c Performance improvement in resolving the INDEXED BY index name for the common 
case where there is no INDEXED BY clause.

FossilOrigin-Name: 554b286ac208168bde91c6c6034cc7087410def76fce650b519661b2ee2c61b7
 2021-02-20 21:20:54 +00:00
dan
1e0cfd7184 Fix a case where FTS3/4 could pass a NULL pointer to memcpy() when handling a corrupt db. 
FossilOrigin-Name: 68bb541a39833d7d4bf41aa91cb6cd9c98757d1fc8236299d09db7e9b14d8ec9
 2021-02-20 19:22:32 +00:00
dan
1e25d20cca Update sqlite3changeset_apply_v2() so that it handles no-op UPDATE changes (UPDATE changes that modify no columns). This fixes a regression introduced by [e4ccfac09b]. Also modify sqlite3rebaser_rebase() so that it does not output changesets containing such UPDATEs. 
FossilOrigin-Name: 0288a8013e00594e716a5fb0d9f684dcfeb03e877650630e2736565fa6261290
 2021-02-20 18:02:37 +00:00
drh
f824b41e64 Break out the Cte object from the With object. This will make it simpler 
to add new kinds of Cte objects (ex: DML statements) and/or MATERIALIZED
keywords in the future.  It brings trunk into closer alignment with the
experimental as-materialize branch.

FossilOrigin-Name: f03efe905d7b40fb25f9f78b874bb56c6d6ccacb60f86b3b199d430d5eade8d2
 2021-02-20 14:57:16 +00:00
drh
271d7c2677 Simplification to where.c manually cherrypicked from the as-materialize 
branch.

FossilOrigin-Name: 03805a6117c813a33f9bca68bf4d9912997d6abd88ac9b3cb844c5d93ec68049
 2021-02-20 13:36:14 +00:00
dan
578277c257 Fix another problem handling corrupt database files in the ALTER TABLE DROP COLUMN code. 
FossilOrigin-Name: 9edf2ddc4799c8830c4b7b91d7aacee50029a4b9db329fd4c5674fbedea33034
 2021-02-19 18:39:32 +00:00
dan
d97471e1ad Add tests for ALTER TABLE DROP COLUMN commands. 
FossilOrigin-Name: 05dbea9b26bdcb096194dc531816333f3784eca50b133fe3efede6ab0d233472
 2021-02-19 15:34:16 +00:00
dan
be2ee38283 Add support for "ALTER TABLE ... DROP COLUMN ..." commands. 
FossilOrigin-Name: c844a331e78949850fde8ed95058cb34f863566944bc9e92e3ae042768f130e1
 2021-02-19 14:32:58 +00:00
dan
f4a72788a4 Fix a crash that could occur in ALTER TABLE DROP COLUMN if the sqlite_schema table was corrupt. 
FossilOrigin-Name: 126ee1ec4f3565c0cccca98885fa3665a641ea3df251511de16eed2a1c396124
 2021-02-19 14:13:40 +00:00
drh
60fe2352f5 Omit an branch made unreachable by the improved error message from dropping 
the last column of a table.

FossilOrigin-Name: c5719fc5aa04c50bb01533f1cedb73dc80c4bf5315ff6a7206c8a10504afca8b
 2021-02-19 09:46:52 +00:00
drh
329cb9eb88 The COLUMN keyword in ALTER TABLE DROP COLUMN is optional. 
FossilOrigin-Name: a22f87fb6c43dd6217691c8dd1cdcd7880068024fb779ca8a5def068d72c3e6b
 2021-02-19 09:36:50 +00:00
drh
239c84fc62 Give a better error message on DROP COLUMN when attempting to drop 
the last column of a table.

FossilOrigin-Name: 5e1f362bc3e53c60f9e6f771346d10c6e6a6cb3ff1eec5608101f9c5d6d2a5a4
 2021-02-19 09:09:07 +00:00
drh
c90fa01dbf Add a NEVER() to an unreachable branch in the DROP COLUMN logic. 
FossilOrigin-Name: 963f498ae64cf7530fb7a405fa476c411ad66523f62f5eefa5a16596cd19a481
 2021-02-19 02:30:02 +00:00
drh
0336140cd9 Add missing VdbeCoverage() macros. 
FossilOrigin-Name: 9bb720e6590482bc9c2fbb273738808209e9651710dbee7572b0348cadf87e68
 2021-02-18 23:53:47 +00:00
drh
dcc29e0d1d Enhance renameParseSql() to better handle OOMs. 
FossilOrigin-Name: 68bcde7ab57b2d4bdcfb2f6c7134a0b01a504b2e7cdf6ee5bf0df70fb4a517b0
 2021-02-18 23:03:50 +00:00
drh
a7da40f377 Merge changes from trunk into the alter-table-drop-column branch. 
FossilOrigin-Name: 9ea640073f8809dfe2612ae1ea384a938b433f884c54d9e5aa3712de79397ac1
 2021-02-18 22:47:34 +00:00
dan
678f3b33cc Fix DROP COLUMN so that it works even if the user has registered an authorizer callback. 
FossilOrigin-Name: e5f144182bbb3ba10c77151cf63c8bddf86374049fb6866387f85e335df298cb
 2021-02-18 20:27:46 +00:00
dan
16953469a6 Fix a problem with schema error detection when processing ALTER TABLE DROP COLUMN commands. 
FossilOrigin-Name: 565a6fd0c95b438fea7bf84913b38de1718117e16e0d685534a8650e1dc8421b
 2021-02-18 19:25:44 +00:00
dan
30cdb992dd Add test cases for ALTER TABLE DROP COLUMN. 
FossilOrigin-Name: 204ee5e28210738fb624a9cf85dc6f9b59de0d7eb4fddd46c8babe9beddd4944
 2021-02-18 17:48:36 +00:00
dan
a55a839ab3 Avoid invoking the update or pre-update hooks during VACUUM operations. 
FossilOrigin-Name: 3c25cb4ab8885a50e2a485fe76f5ffd5dd8ebe1306aca8c0989e0b7fd7dd18d2
 2021-02-18 15:59:37 +00:00
drh
6f6e60ddb1 Improvement to the INSERT optimization of check-in [16ac213c57196361] so 
that it works with SQLITE_ENABLE_HIDDEN_COLUMN but is also easier to maintain
and a little faster as well.

FossilOrigin-Name: f985a78ecc0c6d9ff671c730a109d97dc781b06e47a0ab03f441cea5d021a4c3
 2021-02-18 15:45:34 +00:00
drh
39065807dd Disable the optimization of [16ac213c57196361] when the 
SQLITE_ENABLE_HIDDEN_COLUMN compile-time option is used, as the optimization
does not work in that case.

FossilOrigin-Name: 5168b06bcf283ef64cb9fd76330a743baf8bb0cd747c14eae23e607e0491cbce
 2021-02-18 14:27:43 +00:00
dan
fadc0e34be Ensure that the pre-update hook is invoked for INSERT operations on WITHOUT ROWID tables that use the xfer optimization. 
FossilOrigin-Name: 66bbad239b4527ac8ae8b487a0c71d88b1861a8dfe1edc25109600dc447c60c4
 2021-02-18 12:18:10 +00:00
drh
6859d3245a Add missing VdbeCoverage() macros to some of the new RETURNING code. 
FossilOrigin-Name: 53a5390909822b3aef8c5f522144bc2e86cc31318b2d3e310a064ae7202b4a15
 2021-02-18 01:02:03 +00:00