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28 check-ins using file src/where.c version 4ce8c4826b

2016-08-10
03:35
Try to make pcache1TruncateUnsafe() run faster for the case where iLimit is very close to iMaxKey. (Leaf check-in: 9ab53605d5 user: drh tags: debug)
02:54
Remove all timers and other debugging logs except for the one timer on pcache1TruncateUnsafe(). (check-in: 5980e625db user: drh tags: debug)
2016-08-09
11:44
Add another timer on pcache1TruncateUnsafe(). (check-in: 42ce53f648 user: drh tags: debug)
11:23
Add a debug timer to pcache1Truncate(). Change the formatting of some other messages to make them easier to read. (check-in: 7d0af4b53c user: dan tags: debug)
01:21
Refocus the timer on the pager_end_transaction() routine. (check-in: 9d4eb6e475 user: drh tags: debug)
2016-08-04
14:08
Add extra logging calls to this branch. (check-in: 491f1ef36e user: dan tags: debug)
2016-07-30
03:33
A new version of the slow mutex log that uses gettimeofday() instead of trying to access the hardware timer. (check-in: 92b9fead35 user: drh tags: debug)
2016-07-29
16:32
Turn memory status off by default. (check-in: ea3c7162dc user: drh tags: debug)
14:31
Enhance a debugging log message to better identify a mutex. (check-in: e60cb6d885 user: dan tags: debug)
14:23
Use __sync_synchronous(), when available, instead of a mutex when a memory barrier is needed. (check-in: 7d4562e9d5 user: drh tags: debug)
14:10
Add calls to sqlite3_log() when sqlite3_mutex_enter() takes more than 100,000 CPU cycles. (check-in: 33c7ef7aca user: drh tags: debug)
2016-07-16
11:47
Temporarily add extra sqlite3_log() calls to this version to help with debugging a performance problem. (check-in: 613c1ceaf4 user: dan tags: debug)
2016-07-14
20:19
Experimental patch restore the slight bias in btree-balancing immediately after the change to reduces the amount of memcpy() work done by balancing. (Leaf check-in: 46bd9533c0 user: drh tags: btree-balance-bias)
2014-10-28
12:35
Bump the version number to 3.8.8 (check-in: 1a7e711ed1 user: drh tags: trunk)
00:56
Correct the documentation on the maximum size of a scratch allocation. (check-in: 30f86eb3f9 user: drh tags: trunk)
2014-10-27
22:06
Add special handling for static mutexes in sqlite3_mutex_alloc() when automatic calls to sqlite3_initialize() are enabled. (check-in: 7857d27caa user: mistachkin tags: trunk)
20:14
Remove a small amount of unnecessary #ifdeffery from random.c. (check-in: 2b9340c868 user: drh tags: trunk)
19:58
Fix compilation issue with MSVC due to a misplaced variable declaration. (check-in: 9588b345d0 user: mistachkin tags: trunk)
19:42
Fix harmless compiler warning in an assert statement. (check-in: d33a1ff3aa user: mistachkin tags: trunk)
19:39
Fix a typo in the macro name of an #ifdef (check-in: 9646a136e6 user: drh tags: trunk)
18:42
Merge latest enhancements, including the SQLITE_ENABLE_API_ARMOR patch, from trunk. (check-in: 10aaf3b148 user: drh tags: apple-osx)
18:34
Add the SQLITE_ENABLE_API_ARMOR compile-time option for extra API parameter validation. Enhance sqlite3_stricmp(), sqlite3_strnicmp(), and sqlite3_uri_parameter() for improved NULL parameter handling. (check-in: ffb9d8144b user: drh tags: trunk)
18:21
Fix an unused variable in btree.c:allocateSpace(). (check-in: 637246165a user: drh tags: trunk)
14:26
Optimizations aimed at reducing the number of memcpy() operations required by balance_nonroot(). (check-in: face33bea1 user: dan tags: trunk)
11:25
Add test file e_wal.test. (check-in: fc6920b548 user: dan tags: trunk)
08:02
If a free-slot is found within a page, but using that free-slot would fragment the page further and there are already at least 60 fragmented bytes, degragment the page. This matches the behaviour of the trunk. (Closed-Leaf check-in: 1f80f8c136 user: dan tags: defrag-opt)
07:01
Merge trunk with this branch. (check-in: a13df3013b user: dan tags: defrag-opt)
2014-10-25
13:42
Increase the resolution of the second parameter to the likelihood() SQL function (the probability value) so that it can handle probabilities as small as 0.00000001. Formerly, it ran out of precision at 0.001. (check-in: 0f08924fe0 user: drh tags: trunk)