a72a15e45a
Omit the unnecessary WHERE_REOPEN_IDX flag in the WHERE interface.
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FossilOrigin-Name: da94a6e0ebacad8f235dcd653a25474327f26137
2016-05-09 19:58:56 +00:00
e8da01c189
Make the sqlite3DeleteTable() routine smaller and faster.
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FossilOrigin-Name: d75140b851a34a5eb66041e294e421628efbc5ba
2016-05-07 12:15:34 +00:00
f09c48233a
Simplification to the logic used to decide between OP_Seek and OP_NotExists.
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Use OP_NotExists for both DELETE and UPDATE.
FossilOrigin-Name: 3a695263183303e3f64eb2320752d0fdef53eaf2
2016-05-06 20:23:12 +00:00
a3fd75d426
Corrections to comments on the whereScanInit() interface.
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FossilOrigin-Name: ab7ab415d19524f6c3901e474d3a154f55d28530
2016-05-06 18:47:23 +00:00
87f8f1ac69
For DELETE operations, make sure that seeks on the main table are not
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deferred, since if they are and none of the indexes reference columns of
the table, the seek might never occur until the OP_Delete opcode, which is
too late. Fix for ticket [16c9801ceba49].
FossilOrigin-Name: 93a2bace5704f7ecad56541a6b3e06a88f7f393f
2016-05-06 16:49:54 +00:00
bcf6884afd
In the WHERE generator, when building code for a DELETE operation, make sure
...
that seeks to the main table are not deferred.
This is a better fix for the [16c9801ceba49] bug than the previous.
FossilOrigin-Name: 150dd09ebd7b17234a79e1811a0fae8b0a7a40d5
2016-05-06 16:06:59 +00:00
70077d1733
Do not scan indexes that have the integer primary key as their left-most
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column. This fixes the crash of ticket [16c9801ceba] but it seems like
the wrong fix. More investigation needed.
FossilOrigin-Name: 50312273ffaf1bd4bfdc73865fa0b19166968429
2016-05-06 11:31:10 +00:00
ad5a9d715f
Renumber internal constants in the printf() implemention for a small
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performance improvement.
FossilOrigin-Name: 69d11447f4b1a8c536c3b6573d2a3419da870412
2016-05-05 11:53:12 +00:00
9fe3fbbc35
Fix typo in comment. No changes to code.
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FossilOrigin-Name: 6c43ba1c8753a4029e127078652f265c408a01c0
2016-05-04 19:04:20 +00:00
91da707280
Only disable the one-pass DELETE optimization if the WHERE clause contains
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a correlated subquery. Uncorrelated subqueries are allowed. This is a
refinement of check-in [3f221f592a9a1] that is the fix for
ticket [dc6ebeda9396087].
FossilOrigin-Name: aae389692a2ed2cc92151d51fb2cd5a16921c469
2016-05-04 14:45:30 +00:00
c88ae52d86
Disable the PagerDontWrite() optimization for temp tables. It can cause database corruption if a page passed to PagerDontWrite() is dirty at the start of a transaction that is subsequently rolled back.
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FossilOrigin-Name: 6341ab2ffef298ca16b323358afbea4a4c1fb0e1
2016-05-04 11:28:03 +00:00
48cd59a57d
Avoid left-shifts of signed integers.
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FossilOrigin-Name: 0715ce164333e27671efbec8796f238df98cc287
2016-05-03 00:04:55 +00:00
57a07ba9a9
Disable the multi-row one-pass DELETE optimization when the WHERE clause
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contains a subquery. Fix for ticket [dc6ebeda9396087].
FossilOrigin-Name: 3f221f592a9a19009076e568566c59801cd3fc32
2016-05-02 12:18:56 +00:00
44aebff246
Improvements to the way the LIKE optimization is implemented, resulting in
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slightly smaller and faster code that is easier to test.
FossilOrigin-Name: 54c63b329288729031f45b7778752552cd90e226
2016-05-02 10:25:42 +00:00
2f55511dfa
Remove an unnecessary branch from the OP_String8 opcode.
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FossilOrigin-Name: 459a0b456da69112605b37adc9af27d79e35a4d7
2016-04-30 18:10:34 +00:00
99f5de771f
Simplifications to the OP_Halt opcode implementation.
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FossilOrigin-Name: daf4630f96f13133664908045e279da9d5a40bb5
2016-04-30 02:59:15 +00:00
2aab11fa5a
Fix the temporary directory search algorithm for unix so that it fails
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gracefully even if all candidate directories are inaccessible. This fixes
a bug that was introduced by check-in [9b8fec60d8e].
FossilOrigin-Name: 614bb709d34e11488da88861243023cc5de4b409
2016-04-29 20:30:56 +00:00
20ae3264b8
Merge latest trunk changes, including test case fixes, with this branch.
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FossilOrigin-Name: 99794aca7b6cb40f08ce4db9889a989fc597eac9
2016-04-29 11:35:28 +00:00
288327ed81
Modify the permutations.test script so as to set any permutation specific configuration values before running each individual test script. Fix a mostly harmless buffer overread in the sessions module.
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FossilOrigin-Name: 4cbd50245440e714935399a5c285cf32d8bfc424
2016-04-29 11:33:58 +00:00
a3fa140fb4
Some optimization comments added to vdbe.c. No functional changes to code.
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FossilOrigin-Name: e7c22e3bffce63f3b47fa3683be8c00c42b2a7d3
2016-04-29 02:55:05 +00:00
aa50271a24
Further simplifications and improved commentting on the rowset.c module,
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including several optimization comments.
FossilOrigin-Name: 9f15a520deb9f1d4ecaa3bfff82bd57ef122aadb
2016-04-28 22:29:31 +00:00
396794f0ee
Comment changes only: Add several optimization marks in rowset.c. Add
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a header comment that explains what the various special comments mean.
FossilOrigin-Name: 8cdbe89ac6c22d632f677eb293111b3dbae7d6c1
2016-04-28 20:11:12 +00:00
2075fb08e6
Fix typo in comment. No changes to code.
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FossilOrigin-Name: 9f6f17b5c97c9576c340173d068485fdbfd53253
2016-04-28 19:23:10 +00:00
cb6d66becc
Rearrange some code in the RowSet logic for clarity of presentation, while
...
adding an /*OPTIMIZATION-IF-TRUE*/ comment. It should operate identically.
FossilOrigin-Name: 5748e64376c1c2be5154a632d1527cfebbb9ec74
2016-04-28 18:53:08 +00:00
8443533178
Merge latest changes from trunk with this branch.
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FossilOrigin-Name: 45467ee49872f495d5276cf830f10c3cf4ac8e3c
2016-04-28 14:59:05 +00:00
75ab50ce8f
Use comments to mark several branches as optimizations. No changes to code.
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FossilOrigin-Name: 33e627472780b872716c504f2d585cc057c390a5
2016-04-28 14:15:12 +00:00
10c0a2a7c9
Remove an unnecessary conditional from the sqlite3DecOrHexToI64() routine.
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FossilOrigin-Name: fcf85bfe50b254e825ee63a4cd0aa0b333b06eed
2016-04-28 03:52:18 +00:00
609d5846ba
Change the sqlite3Atoi64() routine so that it returns failure if not all of
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the input characters are consumed, even if it consumed all characters up to
the first 0x00. This has no impact on external APIs as far as I can tell.
FossilOrigin-Name: 46d4ffff3bd33d7e901e76cfac1cbde38d4f61d0
2016-04-28 00:32:16 +00:00
05accd2216
Modify the permutations.test script so as to set any permutation specific configuration values before running each individual test script.
...
FossilOrigin-Name: 2662d8fef791f7b8b3b14f9c27dfedec84620dee
2016-04-27 18:54:49 +00:00
ad975d539e
More simplification of the sqlite3AtoF() routine. Add special comments
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to indicate branches that are for optimization purposes only and that give
the correct answer even if always or never taken.
FossilOrigin-Name: 0065fe97cb8e5076acae1bf1560fd2f69dab9014
2016-04-27 15:24:13 +00:00
c6daa01c05
Remove still more unnecessary branches from sqlite3AtoF().
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FossilOrigin-Name: 3adfe9f3e6ce7cc09fcb570d9b65e830a96cac15
2016-04-27 02:35:03 +00:00
15af62acff
Further simplifications to sqlite3AtoF() to remove unneeded branches.
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FossilOrigin-Name: dd69e53cb077873171af5312c633ca185595bf31
2016-04-26 23:14:45 +00:00
e5f06fdc87
Remove an unnecessary line from the sqlite3AtoF() routine.
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FossilOrigin-Name: a9d007494cfe30a26dca5352655dc7702351476e
2016-04-26 21:02:53 +00:00
97a7e5e68c
The pcache and the built-in VFSes should not use mutexes when
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SQLITE_CONFIG_SINGLETHREAD is set.
FossilOrigin-Name: 12418b100196abbfbfb85e0ab4bb6b1cbf335df7
2016-04-26 18:58:54 +00:00
ead01fd272
Add an sqlite3FaultSim() all to make it easier to simulate IO errors in
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a VACUUM commit.
FossilOrigin-Name: 8bfde416c51f4e087275aebf652a73985515e810
2016-04-25 22:39:42 +00:00
6c96358601
Remove an obsolete comment from the pager. No code changes.
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FossilOrigin-Name: 36f97ca8874a03ac8699f44fe0da95b0be507cc7
2016-04-25 19:28:34 +00:00
835f22deda
Fix some unreachable branches in the pager.
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FossilOrigin-Name: 3ae44770fdecc40c8097f1de0b504f36585a2232
2016-04-25 19:20:56 +00:00
dc7adf20bb
Merge bug fix from trunk.
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FossilOrigin-Name: a905d5e08de3f3c60b667d840b5995911372647d
2016-04-25 15:03:49 +00:00
b1ec87afdb
When checking for the WHERE-clause push-down optimization, verify that
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all terms of the compound inner SELECT are non-aggregate, not just the
last term. Fix for ticket [f7f8c97e97597].
FossilOrigin-Name: ec215f94ac9748c0acd82af0cc9e7a92249462f9
2016-04-25 02:20:10 +00:00
d456e92ce0
Merge the temporary directory search algorithm fix from trunk.
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FossilOrigin-Name: 9b8fec60d8e576cd09e1d075a59bfad1c6169d7a
2016-04-23 21:16:55 +00:00
23ee893752
Fix the fix to the temporary directory search algorithm so that it continues
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to return "." as a fallback if that directory has the correct permissions.
FossilOrigin-Name: b38fe522cfc971b37ca04e7b63a92bbb6e0b01e1
2016-04-23 20:59:23 +00:00
7ff5d522bf
Merge the latest trunk changes.
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FossilOrigin-Name: 84da122dd6e70ed603fea781dca204ae2f668c53
2016-04-23 19:55:59 +00:00
2d36f065e2
Fix a problem with mixing temp-files and mmap-mode.
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FossilOrigin-Name: c80c5c62b2e2c5e47e0839f8e2d5b6341ca4a249
2016-04-23 17:24:16 +00:00
6572c16ae1
Fix some problems to do with temp-file databases and recovering from IO and SQLITE_FULL errors.
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FossilOrigin-Name: 3d61da4a76af8c9c2a293df085f3ed5a7bb447df
2016-04-23 14:55:28 +00:00
7694e06461
Change the temporary directory search algorithm on unix so that directories
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with only -wx permission are allowed. And do not allow "." to be returned if
it lacks -wx permission.
FossilOrigin-Name: 67985761aa93fb613b87d340e75371fa55b0f778
2016-04-21 23:37:24 +00:00
83b74f29c5
Add the sqlite3rbu_vacuum() API, to create an RBU handle that can be used to rebuild a database in the same way as the VACUUM command.
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FossilOrigin-Name: bd4a6f8313eb71399a7141ebf7f2617d7b1464c3
2016-04-21 18:13:37 +00:00
6bcfe8b61f
Add a function prototype in order to fix a compiler warning.
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FossilOrigin-Name: 49aec9718d61c9f12aed96f530128666c3b01c81
2016-04-21 15:24:46 +00:00
518aca114f
Merge updates from trunk.
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FossilOrigin-Name: cc28106e5c196c0a9678fbbd06f6afd49271a8e8
2016-04-21 15:03:37 +00:00
26f7977c53
Add the SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION method for enabling
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sqlite3_load_extension() while leaving the load_extension() SQL function
disabled.
FossilOrigin-Name: c4f165c460c4244ed434107feac005efa3c386cf
2016-04-21 02:27:56 +00:00
f602a16123
Test cases for SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION.
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FossilOrigin-Name: debafa5efd37ac60e030d0963ce8e7c4f51a0f10
2016-04-21 01:58:21 +00:00
drh