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50 check-ins using file src/select.c version d9b8628a

2016-04-18
17:30
Version 3.12.2 (Leaf check-in: 92dc59fd user: drh tags: release, branch-3.12.0, version-3.12.2)
16:18
Correctly interpret negative "PRAGMA cache_size" values when determining the cache-size used for sorting large amounts of data (i.e. the functionality in vdbesort.c). (check-in: 39dd67af user: drh tags: branch-3.12.0)
16:12
Fix a problem in the code generator for joins on virtual tables where the outer loop of the join uses the IN operator. (check-in: a2cf4968 user: drh tags: branch-3.12.0)
16:06
Fix the sqlite3BtreeDelete() routine so that it preserves the correct key even when the row being deleted is not on a leaf page. Fix for ticket [a306e56ff68b8fa56] (check-in: 368e86c7 user: drh tags: branch-3.12.0)
15:59
Increase the version number to 3.12.2. (check-in: 9c37e9ce user: drh tags: branch-3.12.0)
15:54
Remove quotes from identifiers used as datatype names in a CREATE TABLE statement. Fix for ticket [7d7525cb01b68] (check-in: ab9d279f user: drh tags: branch-3.12.0)
2016-04-12
16:11
Add and adjust comments. (Closed-Leaf check-in: 541c6da2 user: mistachkin tags: winCeLocalTime)
15:14
Update the documentation for sqlite3_snapshot_cmp() to make the circumstances under which the comparison is valid clearer. Add tests for the same. (Closed-Leaf check-in: 8fc83474 user: dan tags: snapshot-cmp)
00:00
Performance improvements in sqlite3WhereExprUsage(). (check-in: fdf75239 user: drh tags: trunk)
2016-04-11
22:45
Further refinements. (check-in: b35bb928 user: mistachkin tags: winCeLocalTime)
22:24
Merge updates from trunk. (check-in: b8094166 user: mistachkin tags: winCeLocalTime)
22:23
Fix typo in the MSVC makefile. (check-in: 3189a7f1 user: mistachkin tags: trunk)
19:59
Add the sqlite3_snapshot_cmp() API. (check-in: c698a21a user: dan tags: snapshot-cmp)
19:24
Fix a typo in temptable2.test. (check-in: 04b1890f user: dan tags: tempfiles-lazy-open)
19:23
Add tests for wal mode to temptable2.test. (check-in: c6d0d441 user: dan tags: tempfiles-lazy-open)
19:01
Performance optimization to sqlite3Dequote() and its callers. (check-in: 9efe2265 user: drh tags: trunk)
18:50
Merge latest trunk changes with this branch. (check-in: ffc62af1 user: dan tags: tempfiles-lazy-open)
18:49
Add extra tests to temptable2.test. (check-in: 7dd9d4c1 user: dan tags: tempfiles-lazy-open)
18:25
Performance optimization for the sqlite3ExprListDelete() routine. (check-in: 2764aeaa user: drh tags: trunk)
18:15
Performance optimizations in the column cache of the code generator, and especially the sqlite3ExprCacheRemove() routine. (check-in: e35b345c user: drh tags: trunk)
18:07
Fixes for OOM and IO error handling with temp file databases. (check-in: 4eb06e84 user: dan tags: tempfiles-lazy-open)
16:43
Simplification and performance improvements in sqlite3ExprDup() and its subroutines. More work is possible in this area. (check-in: 476cc283 user: drh tags: trunk)
16:35
Rename the OP_MX_JUMP macro to SQLITE_MX_JUMP_OPCODE to avoid confusing the opcode name generator. (check-in: e554a4c3 user: drh tags: trunk)
14:49
Performance improvement in sqlite3ExprDelete(). (check-in: 60ad80e3 user: drh tags: trunk)
13:36
Remove the VdbeOp.opflags field and its associated initialization overhead. Update mkopcodeh.tcl to reorder opcode numbers to help the resolveP2Values() routine run faster. (check-in: 099478fa user: drh tags: trunk)
09:39
Update this branch with the latest changes from the trunk. (check-in: 982b753d user: dan tags: tempfiles-lazy-open)
01:43
Back off of the parser optimization in the previous check-in, slightly, to preserve some backwards compatibility regarding some undocumented behavior in the '#AAA' style query parameter. (check-in: ef1966c2 user: drh tags: trunk)
01:26
Small size reduction and performance improvement in the parser. (check-in: 16df7128 user: drh tags: trunk)
01:06
Factor out the common operation of setting the Expr.x.pSelect field of an Expr object into a subroutine. (check-in: 6a5cceee user: drh tags: trunk)
2016-04-09
18:04
Fix a problem in the code generator for joins on virtual tables where the outer loop of the join uses the IN operator. (check-in: 6c56b3a0 user: drh tags: trunk)
17:04
Fix the sqlite3BtreeDelete() routine so that it preserves the correct key even when the row being deleted is not on a leaf page. Fix for ticket [a306e56ff68b8fa56] (check-in: ca2ef8a8 user: drh tags: trunk)
14:36
Limit the number of digits shown in the "prereq" mask for ".wheretrace" debugging output. (check-in: 3686ed74 user: drh tags: trunk)
2016-04-08
21:35
Attempt to treat the arguments to a table-valued function as if they occur in the ON clause of a LEFT JOIN rather than in the WHERE clause. But this causes undesirable behavior with generate_series, as demonstrated by test cases. This is an incremental check-in pending further work. (Leaf check-in: 00ac73a0 user: drh tags: tabfunc-in-left-join)
19:44
Update documentation for sqlite3_snapshot_open(). No code changes. (check-in: 1dfa5234 user: drh tags: trunk)
15:09
Version 3.12.1 (check-in: fe7d3b75 user: drh tags: release, branch-3.12.0, version-3.12.1)
2016-04-07
23:18
Enhance the query planner so that IS and IS NULL operators are able to drive an index on a LEFT OUTER JOIN. (check-in: 84d2a09e user: drh tags: branch-3.12.0)
21:29
Update the version number to 3.12.1. This is the first release candidate. (check-in: 300f1b61 user: drh tags: branch-3.12.0)
21:29
Carry table column types through into VIEW definitions, where possible. (check-in: 3360ab09 user: drh tags: branch-3.12.0)
21:14
Add test cases for ticket [7f7f8026eda387d544]. (check-in: 87aa9357 user: drh tags: trunk)
18:42
Prevent the in-memory journal read cursor from entering an inconsistent state when it reads the last few bytes out of the journal file. Fix for ticket [7f7f8026eda38]. (check-in: c4b9c611 user: drh tags: trunk)
14:16
Avoid decrementing a pointer off the front end of the buffer in OP_MakeRecord. (check-in: 153135bf user: drh tags: trunk)
14:05
Instead of just commenting out the unneeded code in the previous check-in, remove it completely. (check-in: 8415d484 user: drh tags: trunk)
14:01
Remove an unnecessary test for a NULL pointer in freeP4(). (check-in: e84e88e3 user: drh tags: trunk)
13:45
Update comments on the unix file locking protocol. No changes to code. (check-in: 716b20de user: drh tags: trunk)
2016-04-06
18:20
For a pager backed by a temp file, store the main journal in memory until it is at least sqlite3_config.nStmtSpill bytes in size. Prevent the backup API from being used to change the page-size of a temp file. (check-in: 84c55701 user: dan tags: tempfiles-lazy-open)
16:27
Fix a problem in test script lock.test. Fix minor issues in pager.c. (check-in: 84de8813 user: dan tags: tempfiles-lazy-open)
15:39
Add tests to this branch. Fix a problem with temporary databases in auto-vacuum mode. (check-in: afe9bd9b user: dan tags: tempfiles-lazy-open)
2016-04-05
23:39
Remove an unnecessary branch in the sqlite3LogEstToInt() routine. (check-in: da81d7af user: drh tags: trunk)
21:07
Defer opening the file used for the temp database (where CREATE TEMP TABLE tables are stored) until the database is too large to reside entirely within the cache. There are likely still problems on this branch. (check-in: be5a549e user: dan tags: tempfiles-lazy-open)
20:59
Carry table column types through into VIEW definitions, where possible. (check-in: fb555c3c user: drh tags: trunk)