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Code Activity
19,138 Commits 1,611 Branches 185 Tags
98b677f2cb15b1dff79920237b9961d7b5c05a5a
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13138 Commits

Author SHA1 Message Date
dan
781e34cde3 Add an experimental fix to avoid attempting to mmap memory from an offset that is not a multiple of the system page size on systems with page sizes larger than 32KB. 
FossilOrigin-Name: 6f3a5c24d254fc6faf607b505bdef4a7aafc21af
 2014-03-20 08:59:47 +00:00
drh
db1cc09c72 Merge the vdbesort.c optimization from trunk. 
FossilOrigin-Name: e4bfffb988283c077778c60696be0d285ad66c3c
 2014-03-19 23:42:51 +00:00
drh
6284db908a Fix query planner weights associated with choosing block-sorting. Fix 
block sorting of tables with collating functions.  Fix various test cases.
All "veryquick" tests are now passing, though more tests need to be added.

FossilOrigin-Name: 01afbf97c0ff29667806e9a7c4d74ca717819de5
 2014-03-19 23:24:49 +00:00
dan
344510e62b Avoid some unnecessary calls to sqlite3VdbeRecordUnpack() that were being made when merging data from two or more temp files together in vdbesort.c 
FossilOrigin-Name: 707ea170b3e26965b7e3982f7554d122d130b9a6
 2014-03-19 20:01:25 +00:00
drh
65ea12cb4a Make it possible for block-sort to use the OP_SorterOpen sorter in addition 
to a generic OP_OpenEphemeral.

FossilOrigin-Name: 7ce2daafd39a117041bfdd0a7132e2764fe7a74b
 2014-03-19 17:41:36 +00:00
drh
26d7e7c6b7 Fix a problem in the block-sort logic that can arise if the VDBE opcode 
array is resized while the block-sort logic is being coded.  "make test"
now runs to completion, though there are still 17 failures.

FossilOrigin-Name: 62f3a22050e0f11c789374f8a3785df0a84c24cb
 2014-03-19 16:56:58 +00:00
drh
ba194369ad Avoid reusing temporary registers in co-routines when doing 
block-sorting.

FossilOrigin-Name: 463d921b519b08648a715e987c430f06b06bae84
 2014-03-19 15:17:24 +00:00
drh
ea6c36e204 Make sure the where.c query planner never reports that the number of ORDER BY 
terms that are satisfied by indices is negative.

FossilOrigin-Name: b186d8d15a10d5e8fcae9ae72e8624d71831f5bd
 2014-03-19 14:30:55 +00:00
drh
079a307259 First attempt at getting block-sort to work. This is an incremental check-in. 
There are many problems still to be worked out.

FossilOrigin-Name: 59742dd4c5259883850044d0938248b009ebd045
 2014-03-19 14:10:55 +00:00
drh
ddba0c227e Make the partial-ORDER-BY information in the query planner available to the 
SELECT code generator.  Still doesn't make a difference in the generated code.

FossilOrigin-Name: e258df236b7de70087c8227cb209080e55b9bf9c
 2014-03-18 20:33:42 +00:00
drh
d2de861cbe Adjust the query planner to keep track of the number of ORDER BY terms 
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
drh
0401acec91 Experiments with the optimization of ORDER BY and GROUP BY clauses. 
FossilOrigin-Name: b150902579d708b454efd5f8750e26a816f7f1a6
 2014-03-18 15:30:27 +00:00
dan
f87684189d Add an experimental multi-threaded capability to vdbesorter.c. 
FossilOrigin-Name: ff0b5c851ba7d04d1836d7c6a3222713e7d8d357
 2014-03-17 15:43:05 +00:00
drh
0e682099a1 Clean up some obsolete "register" declarations in printf.c. 
FossilOrigin-Name: ecd9d3f9453be0bb8e312d8027fd1a9e55882f36
 2014-03-17 15:06:57 +00:00
drh
a70a073b3f Performance enhancements and size reduction for sqlite3VXPrintf() 
FossilOrigin-Name: eb071eb58cf675bd6cd9dd46aed9d57fbb7a77e8
 2014-03-17 14:24:27 +00:00
drh
18c7e40ca3 Fix a harmless compiler warning that crops up with SQLITE_MAX_MMAP_SIZE=0. 
FossilOrigin-Name: 1277932b7e8bb36c7070ffafbf110a8e128c267b
 2014-03-14 11:46:10 +00:00
dan
c625ba7f4f Merge latest trunk changes into this branch. 
FossilOrigin-Name: d17231b63d48c1f9c4dee109c90cec112e2f0fd4
 2014-03-13 15:41:09 +00:00
dan
d88e521f59 Fix an obscure bug causing sqlite3_close() to fail if there are virtual tables on the disconnect list when it is called. 
FossilOrigin-Name: 6504aa47a8ebb13827be017c4cb4b2dc3c4c55f4
 2014-03-12 19:38:38 +00:00
drh
926345e027 Remove a stray C99-style comment. 
FossilOrigin-Name: f500e87d6ec6fa43c13f4e94edf32789f36e4233
 2014-03-11 23:44:10 +00:00
drh
036dbec01c Combine the various boolean fields of the BtCursor object into a single 
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
dan
5a500afd57 Enable the b-tree cursor objects overflow page-number cache, which is normally enabled only for incr-blob cursors, for all cursors. 
FossilOrigin-Name: da59198505990a4fe832be7932117c7e014955b7
 2014-03-11 20:33:04 +00:00
drh
181aed3c25 Version 3.8.4 for sessions (plus two minor fixes). 
FossilOrigin-Name: 917c410808756e1697bd628f4c9c57dd13d08ce7
 2014-03-11 01:48:06 +00:00
drh
89212fb9f9 Adjustments to the cost computation for the skip-scan query plan, to take 
into account the fact that a seek has to occur on each skip.

FossilOrigin-Name: 0769eebd028ce31375cf93509a1d3687f7b117eb
 2014-03-10 20:12:31 +00:00
drh
b06a4ec1f0 Attempt to work around MSVC's treatment of __LINE__ as a non-constant value 
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
dan
b72cad14d0 Fix a bug causing "SELECT char()" to return SQLITE_NOMEM. 
FossilOrigin-Name: ba39df9d4f7ffc6475ae0dc794f7d3f58c486de8
 2014-03-08 19:07:03 +00:00
drh
f3ccc38a69 Improved comment on the pager.c PERSIST rollback journal delete logic 
inside of hasHotJournal().  No changes to code.

FossilOrigin-Name: e5b17a9d07a35c9b44ff977ba81b93d745d26a11
 2014-03-07 14:57:07 +00:00
drh
4e2f459987 Merge the fix for the journal_mode=PERSIST error recovery delay bug. 
FossilOrigin-Name: bb6a75f4bbcaaabc3ad47992c7c87868c70e8daf
 2014-03-07 14:36:50 +00:00
mistachkin
eb443925ef Revise change from the previous check-in to clarify the situation when handling open journal files, regardless of journal mode. 
FossilOrigin-Name: 1c318ef3b76e9a9a5ff2f156a9acddfc1bda0949
 2014-03-07 03:31:35 +00:00
mistachkin
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. 
FossilOrigin-Name: fdc651e2ec7a0babee669e24fd56632e7cd5f0e9
 2014-03-07 02:29:56 +00:00
drh
f2eded23f5 Merge the latest 3.8.4 tweaks from trunk. 
FossilOrigin-Name: 1ed463d91866182fbc884fb88770717ee5bf33ce
 2014-03-06 13:48:31 +00:00
drh
fe70510aa7 Improved EXPLAIN indentation of a loop in the ANALYZE logic for STAT4. 
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
dan
0df163a9f0 Remove a branch that is never taken from where.c. 
FossilOrigin-Name: 4a4997221f3d61c1411a993053b40c787beea736
 2014-03-06 12:36:26 +00:00
mistachkin
378d01aa94 Cosmetic change to the shell in-memory database warning to skip coloring the trailing period. 
FossilOrigin-Name: c87d8e07ec596d5f0ef3003cfeb226d4b7c49549
 2014-03-06 02:15:42 +00:00
drh
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
mistachkin
62117159d0 Better loadable extension handling in the Win32 VFS when compiled for Cygwin. 
FossilOrigin-Name: 29b0a4f158785449b6f3da6fcceeb63442c9711c
 2014-03-06 00:30:27 +00:00
mistachkin
0d71d121ae Better support for MinGW 4.x. 
FossilOrigin-Name: 170e0585202eec6882e9513eba05e6d5767bfc5b
 2014-03-06 00:28:57 +00:00
drh
3bde1354ff Merge compiler-warning fixes from trunk. 
FossilOrigin-Name: a1f2b0428518ec18af74a0e01deb4e40cd95a78f
 2014-03-05 23:12:55 +00:00
drh
fc5717cc99 Fix a harmless compiler warning on MSVC. 
FossilOrigin-Name: 0723effc9ccae7c660fb847b36ce9324e0cb5042
 2014-03-05 19:04:46 +00:00
dan
03af2168db Add SQLITE_OMIT_CTE to the list of compile options that might be returned by "PRAGMA compile_options". 
FossilOrigin-Name: f33f2b3f924347e3da26741d153749330cb645ec
 2014-03-05 17:29:34 +00:00
drh
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
drh
0503cf491f Merge in various obscure bug fixes and the removal of Mem.memType from trunk. 
FossilOrigin-Name: 0828975d580d309a1c66da4b6caeb65b21a01199
 2014-03-05 14:49:51 +00:00
drh
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
drh
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
mistachkin
afc14f72ef Experimental simplification of memory flags/type handling. 
FossilOrigin-Name: bac2820e13a79d91d0f8938c643134a9d6900327
 2014-03-05 01:29:18 +00:00
drh
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
dan
052c6784ee Fix a problem with "DEFAULT (-(-9223372036854775808))" clauses in ALTER TABLE ... ADD COLUMN commands. 
FossilOrigin-Name: e072cb3ee2a03d786c08230cecc6e970de2cec5b
 2014-03-04 21:00:20 +00:00
drh
d1053a4314 Fix a potential memory use-after-free problem following an OOM error. 
FossilOrigin-Name: 767ccb1fa11b3e7b895fb8c2e91f79e3b4202907
 2014-03-04 18:06:04 +00:00
drh
ed79b45cf7 Fix an assert() so that it takes OOM errors into account. 
FossilOrigin-Name: 53f6ec792f5f62fcdbf25e0fce5545dd1c3048a4
 2014-03-04 16:21:18 +00:00
dan
a4660bd695 Ensure that BtreeMovetoUnpacked() does not try to invoke xRecordCompare when it is set to NULL. 
FossilOrigin-Name: 2879234b7c373be422af3fe180cae9840943e29a
 2014-03-04 16:05:25 +00:00
drh
7826a9b83f Merge the performance enhancements of trunk (and some obscure bug fixes) 
into the sessions branch.

FossilOrigin-Name: 7f51ad97f0b24c57453d58faf25eee68861faa23
 2014-03-04 14:34:14 +00:00