d2de861cbe
Adjust the query planner to keep track of the number of ORDER BY terms
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satisfied. Still doesn't do anything with this information. Some tests
fail after this check-in, but all failures are believed to be benign. The
failures will be addressed at a later stage.
FossilOrigin-Name: 59d49b7fc49fa290e04a02653e7268c85836b27e
2014-03-18 18:59:07 +00:00
0401acec91
Experiments with the optimization of ORDER BY and GROUP BY clauses.
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FossilOrigin-Name: b150902579d708b454efd5f8750e26a816f7f1a6
2014-03-18 15:30:27 +00:00
f87684189d
Add an experimental multi-threaded capability to vdbesorter.c.
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FossilOrigin-Name: ff0b5c851ba7d04d1836d7c6a3222713e7d8d357
2014-03-17 15:43:05 +00:00
0e682099a1
Clean up some obsolete "register" declarations in printf.c.
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FossilOrigin-Name: ecd9d3f9453be0bb8e312d8027fd1a9e55882f36
2014-03-17 15:06:57 +00:00
a70a073b3f
Performance enhancements and size reduction for sqlite3VXPrintf()
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FossilOrigin-Name: eb071eb58cf675bd6cd9dd46aed9d57fbb7a77e8
2014-03-17 14:24:27 +00:00
18c7e40ca3
Fix a harmless compiler warning that crops up with SQLITE_MAX_MMAP_SIZE=0.
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FossilOrigin-Name: 1277932b7e8bb36c7070ffafbf110a8e128c267b
2014-03-14 11:46:10 +00:00
c625ba7f4f
Merge latest trunk changes into this branch.
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FossilOrigin-Name: d17231b63d48c1f9c4dee109c90cec112e2f0fd4
2014-03-13 15:41:09 +00:00
d88e521f59
Fix an obscure bug causing sqlite3_close() to fail if there are virtual tables on the disconnect list when it is called.
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FossilOrigin-Name: 6504aa47a8ebb13827be017c4cb4b2dc3c4c55f4
2014-03-12 19:38:38 +00:00
926345e027
Remove a stray C99-style comment.
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FossilOrigin-Name: f500e87d6ec6fa43c13f4e94edf32789f36e4233
2014-03-11 23:44:10 +00:00
036dbec01c
Combine the various boolean fields of the BtCursor object into a single
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bit-vector. This allows setting or clearing more than one boolean at a
time and makes the overflow-pgno-cache branch faster than trunk on
speedtest1.
FossilOrigin-Name: 968fec44d7fde3adbd3e9603e4282351f0d4bda1
2014-03-11 23:40:44 +00:00
5a500afd57
Enable the b-tree cursor objects overflow page-number cache, which is normally enabled only for incr-blob cursors, for all cursors.
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FossilOrigin-Name: da59198505990a4fe832be7932117c7e014955b7
2014-03-11 20:33:04 +00:00
89212fb9f9
Adjustments to the cost computation for the skip-scan query plan, to take
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into account the fact that a seek has to occur on each skip.
FossilOrigin-Name: 0769eebd028ce31375cf93509a1d3687f7b117eb
2014-03-10 20:12:31 +00:00
b06a4ec1f0
Attempt to work around MSVC's treatment of __LINE__ as a non-constant value
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in "Edit and Continue" mode by avoiding the use of __LINE__ when
SQLITE_VDBE_COVERAGE is not defined.
FossilOrigin-Name: 0a5318bc272b844e937cb1df3a07224034bc3450
2014-03-10 18:03:09 +00:00
b72cad14d0
Fix a bug causing "SELECT char()" to return SQLITE_NOMEM.
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FossilOrigin-Name: ba39df9d4f7ffc6475ae0dc794f7d3f58c486de8
2014-03-08 19:07:03 +00:00
f3ccc38a69
Improved comment on the pager.c PERSIST rollback journal delete logic
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inside of hasHotJournal(). No changes to code.
FossilOrigin-Name: e5b17a9d07a35c9b44ff977ba81b93d745d26a11
2014-03-07 14:57:07 +00:00
eb443925ef
Revise change from the previous check-in to clarify the situation when handling open journal files, regardless of journal mode.
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FossilOrigin-Name: 1c318ef3b76e9a9a5ff2f156a9acddfc1bda0949
2014-03-07 03:31:35 +00:00
8879481868
Avoid calling sqlite3OsDelete() on a file that is open, since this causes Windows to run *very* slowly. Comes up on error recovery in journal_mode=PERSIST.
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FossilOrigin-Name: fdc651e2ec7a0babee669e24fd56632e7cd5f0e9
2014-03-07 02:29:56 +00:00
fe70510aa7
Improved EXPLAIN indentation of a loop in the ANALYZE logic for STAT4.
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Mark the not-found jump of a seek operation in that loop as never taken.
FossilOrigin-Name: 0a4200f95cf46ad620b9fd91f4444114a0c74730
2014-03-06 13:38:37 +00:00
0df163a9f0
Remove a branch that is never taken from where.c.
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FossilOrigin-Name: 4a4997221f3d61c1411a993053b40c787beea736
2014-03-06 12:36:26 +00:00
378d01aa94
Cosmetic change to the shell in-memory database warning to skip coloring the trailing period.
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FossilOrigin-Name: c87d8e07ec596d5f0ef3003cfeb226d4b7c49549
2014-03-06 02:15:42 +00:00
b6e8fd105c
Fix some incorrect comments and typos in comments. Add testcase() macros
...
to some of the new record comparison code.
FossilOrigin-Name: b83cfe899d84fe9d61540e9984321ca30401638c
2014-03-06 01:56:33 +00:00
62117159d0
Better loadable extension handling in the Win32 VFS when compiled for Cygwin.
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FossilOrigin-Name: 29b0a4f158785449b6f3da6fcceeb63442c9711c
2014-03-06 00:30:27 +00:00
0d71d121ae
Better support for MinGW 4.x.
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FossilOrigin-Name: 170e0585202eec6882e9513eba05e6d5767bfc5b
2014-03-06 00:28:57 +00:00
fc5717cc99
Fix a harmless compiler warning on MSVC.
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FossilOrigin-Name: 0723effc9ccae7c660fb847b36ce9324e0cb5042
2014-03-05 19:04:46 +00:00
03af2168db
Add SQLITE_OMIT_CTE to the list of compile options that might be returned by "PRAGMA compile_options".
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FossilOrigin-Name: f33f2b3f924347e3da26741d153749330cb645ec
2014-03-05 17:29:34 +00:00
6d1626eb7c
Count the number of elements in a SrcList object using an "int" rather than
...
a "u8", to avoid overflows and to work around an issue in the C compiler on
AIX.
FossilOrigin-Name: eee2a13f2caa48b7b8a693680edc2bbc9275292c
2014-03-05 15:52:43 +00:00
817492630a
When converting a result type from TEXT to BLOB using the
...
sqlite3_value_blob() interface, continue to report SQLITE_TEXT as
the true type from sqlite3_value_text() as long as that text is still
valid. The maintains legacy behavior from before the noMemType change.
FossilOrigin-Name: 1d134ba2edbdb8c0cf9e99590a69cd17e0b874a9
2014-03-05 14:40:22 +00:00
b1a1c29a07
Separate the column NULL value constant into a separate routine for greater
...
commonality with the sessions branch.
FossilOrigin-Name: 12cbebb997705e37769460e00a4aaa52c12f305e
2014-03-05 12:47:55 +00:00
afc14f72ef
Experimental simplification of memory flags/type handling.
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FossilOrigin-Name: bac2820e13a79d91d0f8938c643134a9d6900327
2014-03-05 01:29:18 +00:00
19c6d96aec
Avoid indexing off the front end of an array when creating a view with
...
two or more blank column names in the SELECT statement that defines the view.
FossilOrigin-Name: 554501f158534f9c27fd51900589c2ab7cf300d8
2014-03-04 21:19:51 +00:00
052c6784ee
Fix a problem with "DEFAULT (-(-9223372036854775808))" clauses in ALTER TABLE ... ADD COLUMN commands.
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FossilOrigin-Name: e072cb3ee2a03d786c08230cecc6e970de2cec5b
2014-03-04 21:00:20 +00:00
d1053a4314
Fix a potential memory use-after-free problem following an OOM error.
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FossilOrigin-Name: 767ccb1fa11b3e7b895fb8c2e91f79e3b4202907
2014-03-04 18:06:04 +00:00
ed79b45cf7
Fix an assert() so that it takes OOM errors into account.
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FossilOrigin-Name: 53f6ec792f5f62fcdbf25e0fce5545dd1c3048a4
2014-03-04 16:21:18 +00:00
a4660bd695
Ensure that BtreeMovetoUnpacked() does not try to invoke xRecordCompare when it is set to NULL.
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FossilOrigin-Name: 2879234b7c373be422af3fe180cae9840943e29a
2014-03-04 16:05:25 +00:00
5f1d536b53
Improve clarity of presentation in the sqlite3VdbeMemFromBtree() routine.
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FossilOrigin-Name: 9830c343bc954b828f6ca752f8ae63e2c0a980c1
2014-03-04 13:18:23 +00:00
9d42cc994c
Fix name resolution problem in sub-selects within triggers, ticket [4ef7e3cfca].
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FossilOrigin-Name: 5bcd0b1ca5d73ffbe7978ee9d73fe5e769e3d3a2
2014-03-04 11:29:42 +00:00
ffe6bc2b93
Fix harmless compiler warning.
...
FossilOrigin-Name: 8d18a803bdeab290a6e9ff26911897f5f8683876
2014-03-04 11:16:20 +00:00
f926d1ea47
Fix more instances of assuming 'char' is signed. And, make sure to never shift
...
a signed integer.
FossilOrigin-Name: f10130ede433a19b3945753f23962871c8d2dcf3
2014-03-04 04:04:33 +00:00
a9e0aeb552
Do not assume that 'char' is signed. Make it explicit.
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FossilOrigin-Name: 979da752e6f8767a61a8efed824ffad9605d0f4c
2014-03-04 00:15:16 +00:00
13a747e5e4
Fix a couple of harmless compiler warnings.
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FossilOrigin-Name: fcf480cc630976b619aabd5f7fb7b09601a178fb
2014-03-03 21:46:55 +00:00
9b8afef260
Avoid a buffer overread in vdbeCompareRecordInt() that might occur if the database is corrupt.
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FossilOrigin-Name: 7c0b4381f0e6f33cb13299a915851d9431bf3850
2014-03-03 20:48:50 +00:00
5668969a69
Fix a typo in a comment. No changes to code.
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FossilOrigin-Name: 1f4991ab1676bf85599fc32068ceeddeb05f648c
2014-03-03 19:29:28 +00:00
295aedf097
Fix compiler warnings.
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FossilOrigin-Name: ba8993727e5752cbc92c7d78437e9e0510c899f7
2014-03-03 18:25:24 +00:00
80b2f97234
Merge latest trunk changes.
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FossilOrigin-Name: 1d60356462f111ed147aa865dd17a13511db6ab7
2014-03-03 17:48:03 +00:00
6295524e3d
Change an OP_SCopy into an OP_Copy in a case where the destination might be
...
used after the source has changed.
FossilOrigin-Name: c0fa0c0e2de50d7eda19ab8862496b18eff93538
2014-03-03 17:36:39 +00:00
fcb44a89f2
Fix a harmless compiler warning.
...
FossilOrigin-Name: d7f6837e6997a4d5c0fd2d08b52887d691dd6f97
2014-03-03 15:13:27 +00:00
900defa07a
Merge latest trunk changes.
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FossilOrigin-Name: e00ed717fbe456010ec6c746490d7c3e9d94ec5a
2014-03-03 14:45:06 +00:00
fbf0f0e1f6
Fix a segfault that can occur following an OOM error.
...
FossilOrigin-Name: 7fdd378d54754a3ffdc01c6c0a66cf6d5899a495
2014-03-03 14:20:30 +00:00
7e065fcf7d
Merge trunk changes.
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FossilOrigin-Name: 9c1747b5ded995e77fdab2fa9d334ec3c17c7c14
2014-03-01 19:45:23 +00:00
3833e934d3
Remove the vdbeRecordCompareLargeHeader function. Fix some other details.
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FossilOrigin-Name: 3861e853105cb8da344c7eebd2e455622b26395e
2014-03-01 19:44:56 +00:00
drh