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50 check-ins occurring around fc49f556e4897056.

2016-05-20
23:51
Add a simple TCL script for summing cachegrind information for each VDBE opcode. check-in: 96cf821b6a user: drh tags: trunk
21:40
Another optimization on the OP_Column opcode. check-in: 1765672c25 user: drh tags: trunk
20:58
Fix typo in comment. check-in: 9db8f21473 user: mistachkin tags: trunk
19:51
Slight performance improvement in the OP_Column opcode. check-in: 5c15747439 user: drh tags: trunk
18:09
Remove the sqlite3PagerClearCache() routine, which does not accomplish anything useful. check-in: f250166bb3 user: drh tags: trunk
15:53
Performance optimization and size reduction on the freeP4() routine. check-in: 4dc56e8684 user: drh tags: trunk
15:24
Increase the version number to 3.14.0 since we are already making significant code changes. check-in: 1a0d05765f user: drh tags: trunk
15:15
Use sqlite3VdbeAddOp0() to code OP_Expire, to save a few bytes. check-in: 3d55d24dcb user: drh tags: trunk
14:54
Optimizations to link list merge sort code in vdbesort.c, pcache.c, and rowset.c. Resulting binaries are 10 bytes smaller and use 0.03% fewer CPU cycles. check-in: 9033afbb31 user: drh tags: trunk
14:11
For queries with both ORDER BY and LIMIT, if the rows of the inner loop are emitted in ORDER BY order and the LIMIT has been reached, then optimize by exiting the inner loop and continuing with the next cycle of the first outer loop. check-in: 559733b09e user: drh tags: trunk
13:44
Set the NULLEQ flag on the sequence counter comparison in the ORDER BY LIMIT optimization, to avoid coverage complaints about not testing the NULL case. Closed-Leaf check-in: ed1b30dc93 user: drh tags: orderby-limit
12:22
Autoconf configure.ac adjustment to try to get it to look for both editline and readline automatically. check-in: 645bd696df user: drh tags: trunk
00:21
A few simple test cases for the ORDER BY LIMIT optimization. check-in: 08849eab0f user: drh tags: orderby-limit
2016-05-19
22:40
Appears to work now. Needs test cases, more comments, and code optimization. check-in: 990fe50c91 user: drh tags: orderby-limit
22:13
In a query with both ORDER BY and LIMIT, if the inner loop satisfies the ORDER BY then try to cut short each invocation of the inner loop once the LIMIT has been satisfied. This check-in is a partial implementation only. check-in: 852d1eda6e user: drh tags: orderby-limit
19:31
Fixup comments on wctrlFlags value definitions. check-in: 58b516e8c0 user: drh tags: trunk
18:56
Clean up the WHERE_* macros used for the wctrlFlags parameter on the sqlite3WhereBegin() interface, freeing up some bits to be used for other things. check-in: d01305841d user: drh tags: trunk
17:51
Optimization marks in vdbe.c. No logic changes. check-in: cf2737415a user: drh tags: trunk
16:58
Performance improvement in the OP_Column opcode. check-in: 4737cadc41 user: drh tags: trunk
16:21
Add test cases to test some fts3/4 edge case behaviour surrounding the '*' character. check-in: 1f577e1f08 user: dan tags: trunk
11:12
Small size reduction and performance improvement in the OP_Column opcode. check-in: 0d7730611b user: drh tags: trunk
2016-05-18
21:03
Add the "scrub" utility program that simultaneously backs-up a live database and erases all deleted content. check-in: c981ab2a47 user: drh tags: trunk
21:01
Omit the unnecessary WHERE_REOPEN_IDX flag in the WHERE interface. check-in: 915416d15f user: drh tags: trunk
20:53
Merge the 3.13.0 release changes. check-in: e2e9b98556 user: drh tags: apple-osx
10:57
Version 3.13.0 check-in: fc49f556e4 user: drh tags: trunk, release, version-3.13.0
2016-05-17
21:17
Enhance the scrub utility program so that it does a FULL checkpoint prior to starting the backup, to ensure that the database file content matches what needs to be backed up without having to look at the WAL file. Closed-Leaf check-in: ab1c5ce50f user: drh tags: scrub-backup
17:11
Merge the latest changes from trunk. check-in: 5021dfe1f3 user: drh tags: scrub-backup
2016-05-16
14:35
Do not run snapshot_fault.test as part of the inmemory_journal permutation. check-in: 995c084bde user: dan tags: trunk
13:37
Merge recent fixes from trunk. check-in: 0d9b82afea user: drh tags: apple-osx
11:55
Disable shell.exe test cases for UTF8 filenames as they do not work on MinGW. check-in: 386bcbba8e user: drh tags: trunk
2016-05-13
17:22
Improvements to a comment in the pcache.c file. No changes to code. check-in: b369980f0c user: drh tags: trunk
15:22
Remove the unused PGHDR_NEED_READ flag. Add invariant checking (during SQLITE_DEBUG builds only) for the PgHdr object. check-in: 771c5411e9 user: drh tags: trunk
12:12
Clarification of the pagerFlushOnCommit() logic. check-in: 3401d9dcdb user: drh tags: trunk
11:50
Fix pager_end_transaction() to ensure that a ROLLBACK does not clobber unwritten pages in a TEMP file pcache. check-in: 9495d33879 user: drh tags: trunk
04:24
Additional debugging and tracing logic for pcache.c, turned off by default using an "#if 0". check-in: 32a62e3bd4 user: drh tags: trunk
2016-05-12
19:17
Disable ALWAYS and NEVER when compiled with SQLITE_MUTATION_TEST. check-in: 24d9fbc1d0 user: drh tags: trunk
19:05
Simplification of the sqlite3FaultSim() call inside of sqlite3PagerCommitPhaseOne(). check-in: 1b0f4cc362 user: drh tags: trunk
18:38
Add an assert in pager.c to confirm that pPager->tempFile is always true for in-memory databases. check-in: 3fd7109206 user: drh tags: trunk
17:06
Add extra OPTIMIZATION-IF-FALSE comments where required to pcache.c. check-in: 9d55b8f541 user: dan tags: trunk
12:08
For in-memory databases, it does not matter if pcache entries are marked "clean" or "writable". check-in: 06c1e27ca8 user: drh tags: trunk
12:01
Remove an unnecessary call to sqlite3PcacheMakeClean() inside of the ROLLBACK logic. check-in: 0dc50d9915 user: drh tags: trunk
09:48
Add a missing OPTIMIZATION-IF-FALSE comment to pcache.c. check-in: bc202e5b41 user: dan tags: trunk
2016-05-11
23:54
For in-memory databases, it does not matter if pcache entries are marked "clean" or "writable". Closed-Leaf check-in: ad601c7962 user: drh tags: pager-dev
20:03
Remove a redundant condition from pcache.c. Add an OPTIMIZATION-IF-TRUE comment to another condition that requires it. check-in: 3bfd2621d1 user: dan tags: trunk
18:20
Remove a redundant condition from pcache.c. Add an OPTIMIZATION-IF-TRUE comment to another condition that requires it. Closed-Leaf check-in: 4533ed352d user: dan tags: mistake
15:41
Remove some a small amount of redundant code related to PCache.pSynced from pcache.c. check-in: 9cc8cad78f user: dan tags: trunk
12:47
Do not reset the page cache when a rollback journal truncate fails, as doing so can cause loss of information for an in-memory TEMP file. check-in: 345ce1c9f6 user: drh tags: trunk
11:04
Always truncate, rather than persist, the rollback journal of a TEMP database. check-in: 42fb6f1e99 user: drh tags: trunk
10:57
Add pcache tracing macros. Off by default. Requires changing an "#if 0" and recompiling to enable. check-in: d9313d19c7 user: drh tags: trunk
2016-05-10
20:16
Add another test case to temptable3.test. check-in: 223640243e user: dan tags: trunk