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13064 Commits

Author SHA1 Message Date
drh
2ea0bafae2 Remove the KeyInfo cache (for now - perhaps we will add it back in later - or 
maybe not since it provides negligible benefit but adds a lot of complexity
and thread-safety risk).  Add a mutex to ATTACH to deal with a data race.

FossilOrigin-Name: 03c443eaf24413d6faaa91a33575d9dfd3528b5c
 2014-12-12 00:52:10 +00:00
drh
5942b01611 Make sure the Btree mutex is held when setting the locking mode and the 
secure delete flag when attaching a shared-cache database.

FossilOrigin-Name: 6bef7ede2bbf0a51729e1943b0b0c895cb57c718
 2014-12-12 00:40:58 +00:00
drh
5f5c1a0186 Merge the cell overflow page number cache thread race fix from trunk. 
FossilOrigin-Name: cefad47ec2ad58d7ecd58bab9a261e4d5816cd69
 2014-12-12 00:26:59 +00:00
drh
18b67f3f0d Fix a bug in the threadtest4.c program. Remove the keyinfo cache as it provides 
minimal performance improvements, and then only at SQL preparation time, not
at runtime, and it has problems with data races in shared-cache mode.  We might
later add the keyinfo cache back but only enable it when shared-cache mode
is off.

FossilOrigin-Name: b7489f9451628c68f1dfc1d457fc161a0921c631
 2014-12-12 00:20:37 +00:00
drh
1e57430e63 Add the threadtest4.c test program. Not yet working. 
FossilOrigin-Name: ec3a74469ca2f0f3fb7d82a05fdac7500354e78f
 2014-12-11 19:29:42 +00:00
dan
857536623a Fix a race condition to do with very large index keys in shared-cache mode. 
FossilOrigin-Name: fc157dd7f18c94b7ae5f155e1b4a5d7714b7da8c
 2014-12-11 16:38:18 +00:00
drh
0a3520c0f4 Fix a typo in the documentation for sqlite3_threadsafe(). 
FossilOrigin-Name: 258e747bb7e3a2bc46f932cc2b06c2689d43aeb0
 2014-12-11 15:27:04 +00:00
dan
1f03b86523 Fix a typo causing a test error in e_walhook.test. 
FossilOrigin-Name: d9f916ba09f1a61684b4d59548ab6cf71cdb6a37
 2014-12-10 20:57:20 +00:00
dan
6e45e0c8d7 Add new test file e_walhook.test. 
FossilOrigin-Name: 2eb6d3e4fbe388ef28e4b7b846e9e8a4361517a4
 2014-12-10 20:29:49 +00:00
mistachkin
684ec98fe3 Revise mutex handling by the sqlite3_win32_reset_heap() function. 
FossilOrigin-Name: eacb3b7baa910e84f984b8e45695a2a2f5a4c861
 2014-12-10 17:34:48 +00:00
drh
6f7febffa2 Fix typos in the documentation for sqlite3_table_column_metadata(). 
No changes to code.

FossilOrigin-Name: 3528f8dd39acace8eeb7337994c8617313f4b04b
 2014-12-10 04:58:43 +00:00
drh
45d1b20639 Fix the sqlite3_table_column_metadata() routine so that it gives the correct 
answer for the "rowid" column in a WITHOUT ROWID table.  Enhance it so that
it can be used to check for the existence of a table by setting the column
name parameter to NULL.  The routine is now included in the build by
default, even without the SQLITE_ENABLE_COLUMN_METADATA compile-time option.

FossilOrigin-Name: cf9be419a16156a9814e1378bb49b780de977343
 2014-12-09 22:24:42 +00:00
dan
9778bd7292 Add extra tests to e_walckpt.test. 
FossilOrigin-Name: 84f9581019961efa31297f8be48427b17bcca857
 2014-12-09 20:13:40 +00:00
drh
80cdfd199b Lower the default SQLITE_SORTER_PMASZ value back to 10, where it has been for 
the past couple of releases.  Applications that need a larger value can set
one.

FossilOrigin-Name: 1ba8911c18f2fe34c20dc42f25a8f3c1c798fa7a
 2014-12-09 19:16:41 +00:00
drh
8c3026ecf3 Make the sqlite3_table_column_metadata() interface available by default and 
without requiring the SQLITE_ENABLE_COLUMN_METADATA compile-time option.
Other sqlite3_column_* interfaces that have a run-time penalty even if they
are unused still require the SQLITE_ENABLE_COLUMN_METADATA option at
compile-time.

FossilOrigin-Name: 4f7549ff924b8ed8f90fc447cd4be11421453984
 2014-12-09 19:07:29 +00:00
drh
f5471925c9 Add the SQLITE_REVERSE_UNORDERED_SELECTS compile-time option that causes the 
"PRAGMA reverse_unordered_selects" setting to be on by default.

FossilOrigin-Name: 75a803e694d2c4e67579f45d54a0aaf120411a6e
 2014-12-09 15:12:11 +00:00
drh
b11c3f22b8 Increase the default minimum PMA size for multi-threaded sorting from 10x 
the page size to 250x the page size.  Provide the SQLITE_SORTER_PMASZ
compile-time option to change this default.

FossilOrigin-Name: b05340fe3cd5f1676a55023228dc8d1a92de5936
 2014-12-09 14:42:49 +00:00
mistachkin
0fbd7350a1 Fix harmless compiler warning. 
FossilOrigin-Name: e97b7a8b4df784d148fefb9554da0f511e351d9f
 2014-12-09 04:26:56 +00:00
dan
785a38f066 Add extra tests to e_walckpt.test. 
FossilOrigin-Name: d6832aa24c8d93b4532a651b86605bd0a0d0aa78
 2014-12-08 20:29:23 +00:00
dan
0235a0331f Add missing mutex calls around a call to sqlite3SchemaGet() within sqlite3_open(). 
FossilOrigin-Name: 45415899545767888d36dcc0bafaf0ef415d94c2
 2014-12-08 20:20:16 +00:00
drh
b88c7b550c Add a missing mutex around calls to clear the KeyInfo cache when closing 
a database connection.

FossilOrigin-Name: 7047ce32a234484b8ba15311e6560aa74ff692c9
 2014-12-08 18:08:45 +00:00
dan
8f1eb8a1cb Avoid accessing a single uninitialized byte when moving a rare 3-byte cell from an internal page to a leaf. This was not actually causing a problem, just a valgrind warning. 
FossilOrigin-Name: 6aeece19a235344be2537e66a3fe08b1febfb5a0
 2014-12-06 14:56:49 +00:00
drh
d52d52be80 Fix a (harmless) uninitialized variable reference in b-tree balancing for 
auto-vacuumed tables with overflow pages.

FossilOrigin-Name: dd1dd4451f468599f7a0c2f7b5ee6125db3bb152
 2014-12-06 02:05:44 +00:00
drh
cd934c3d2c Avoid a potential NULL pointer deference in the sqlite3_stmt_scanstatus() 
logic.

FossilOrigin-Name: 42d44adc13d52b8dd571c9375eb48298123d5a60
 2014-12-05 21:18:19 +00:00
dan
5cca94ea71 Fix a buffer overread that might occur in analyze.c if SQLITE_ENABLE_STAT4 was defined. 
FossilOrigin-Name: c1ae1268b9023a771fda98f26bf451c6066fe70b
 2014-12-05 21:04:26 +00:00
dan
2928d32791 Add new test file e_walckpt.test. Still some tests to come. 
FossilOrigin-Name: e4db3db3a65ecfd4069a40d436aa7a5512d61a30
 2014-12-05 20:46:19 +00:00
drh
fe32daaeaa Make sure the WhereTerm objects are fully zeroed when they are allocated. 
FossilOrigin-Name: fdb667335c2250239a66143aec4235325dec8274
 2014-12-05 19:50:58 +00:00
drh
ebdb81dd45 The KeyInfo cache must be cleared before closing the btree, not after. 
Revised fix for ticket [e4a18565a36884b00edf].

FossilOrigin-Name: 7ed3346e8c10dbf52fd44ab69900699d4f7ad3fd
 2014-12-05 15:31:33 +00:00
drh
318dc0b425 When closing a (shared-cache) database connection, be sure to clear out 
all KeyInfo objects cached on Index objects. 
Fix for ticket [e4a18565a36884b00edf].

FossilOrigin-Name: adca7688de20ff40d8ddf2107dfaf92af3873b83
 2014-12-05 14:44:57 +00:00
drh
351064b452 Improved comment on the sharedB.test test script. 
FossilOrigin-Name: 71f589e3f82a07513425e212072f32748c0732d4
 2014-12-05 14:34:30 +00:00
drh
a895a4d22c Test case demonstrating the problem described by 
ticket [e4a18565a36884b00edf].

FossilOrigin-Name: ffea3e905adc108d2dc37f5d6da2024f0389f176
 2014-12-05 14:07:53 +00:00
drh
ffc8f3e201 When closing a (shared-cache) database connection, be sure to clear out all 
KeyInfo objects cached on Index objects.
Proposed fix for ticket [e4a18565a36884b00edf].

FossilOrigin-Name: 651ed97de13234be60a1138a98b06d308449a791
 2014-12-05 05:38:02 +00:00
drh
2c3abeb8c3 Fix compiler warnings. 
FossilOrigin-Name: e9955c0e14d13ba1411f013acb4979958dae2516
 2014-12-05 00:32:09 +00:00
drh
5de7d966bd Fix the autoconf and MSVC makefiles, which have been broken for nearly a 
month.  :-(

FossilOrigin-Name: 520c2b838da8b230487c8c66f3ba8e5daa1ca886
 2014-12-05 00:17:39 +00:00
drh
dea7d70d1b Make sure that a DISTINCT query with an ORDER BY works correctly even if 
it uses a descending index.  Fix for ticket [c5ea805691bfc4204b1cb9e].

FossilOrigin-Name: 0d3aef97ebddf422b8bdcbc5878970c6129e3f54
 2014-12-04 21:54:58 +00:00
drh
1d32488037 Performance enhancement for single-table queries with many OR-connected 
WHERE clause terms and multiple indexes with the same left-most columns.

FossilOrigin-Name: 1461d543ac8a3e4a54405067893146c74576bb4e
 2014-12-04 20:24:50 +00:00
drh
72673a24e2 If a table is the right operand of a LEFT JOIN, then any column of that 
table can be NULL even if that column as a NOT NULL constraint.
Fix for ticket [6f2222d550f5b0ee7ed].

FossilOrigin-Name: 6f6fcbe4736b9468a495c684d5eebc8bfe5c566a
 2014-12-04 16:27:17 +00:00
drh
d8922052b2 Clarification of the meaning of the second parameter to the busy-handler 
callback.  No changes to code.

FossilOrigin-Name: 1e2bc484f8e7766a493bfeab04d82e50f37217b8
 2014-12-04 15:02:03 +00:00
drh
063970a15f Fix comment typos reported on the mailing list. No changes to code. 
FossilOrigin-Name: 93a71c9f058b58d11187293a1e8d5324d0911880
 2014-12-04 14:01:39 +00:00
drh
a25165fa68 Add an implementation mark and fix a comment describing the OP_Checkpoint 
opcode.

FossilOrigin-Name: 7475b90c558157802b036162376fceacc1b9ab4a
 2014-12-04 04:50:59 +00:00
drh
dd90d7ee81 Add evidence marks and assert()s used as evidence for checkpoint requirements. 
FossilOrigin-Name: b2da8afc7657266fbe8e683c6e50fe18216cbcf3
 2014-12-03 19:25:41 +00:00
drh
86e166a778 Fix over-length comment lines in sqlite.h.in. No changes to code. 
FossilOrigin-Name: cbd357fd8c25c9c6043063710a3e2a89ff8b4575
 2014-12-03 19:08:00 +00:00
drh
bb9a378df3 Simplify the sqlite3_wal_checkpoint() documentation. Add some source code 
evidence marks.

FossilOrigin-Name: 026c44ff2c092b14faa19985dd46873aeb8727dc
 2014-12-03 18:32:47 +00:00
drh
5b875311a3 Futher tweaks to the sqlite3_wal_checkpoint_v2() documentation. 
FossilOrigin-Name: 7d284d047b0677fb4532df5aae06f5bad997f5e9
 2014-12-03 16:30:27 +00:00
drh
2d2e7bfeff Updates to the documentation for sqlite3_wal_checkpoint_v2() and related 
interfaces, including adding many requirements marks.

FossilOrigin-Name: 1e212d9899387344fd62c7b6fbcc59ea885b6d7c
 2014-12-03 15:50:09 +00:00
drh
2f89546001 Add support for SQLITE_CHECKPOINT_TRUNCATE. 
FossilOrigin-Name: edda2b9e7a15ed486de81b10dd9bacd39c571d3f
 2014-12-02 20:51:52 +00:00
dan
0fe8c1b967 When attempting to restart a wal file, make any required calls to sqlite3_randomness() before waiting on or checking for wal file readers. This restores the behaviour exhibited by the trunk. 
FossilOrigin-Name: 6ee08769f0ffbb3d620c66b89180ece7782dc820
 2014-12-02 19:35:09 +00:00
dan
f26a1549ac Add the SQLITE_CHECKPOINT_TRUNCATE option. 
FossilOrigin-Name: 8e20a43419e46b6b9d1f60ec7ea420bbfb3ef358
 2014-12-02 19:04:54 +00:00
drh
1fd2d7d471 Convert two unreachable branches into assert() statements. 
FossilOrigin-Name: 61b31e771430f490fc2c4cef55046debc4a5f4f5
 2014-12-02 16:16:47 +00:00
drh
9b5444af6c Work around overzealous NULL pointer checking in memcpy() and memset() for 
some systems.

FossilOrigin-Name: 0d04f380e1bd17104b3cf76b64d0cfc79a726606
 2014-12-02 13:46:53 +00:00