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28 check-ins using file src/vdbeaux.c version 5078ca7d

2014-03-25
17:07
Fix a problem in the code added by [707ea170b3] causing vdbesort.c to sort unstably. check-in: d3e640af user: dan tags: orderby-planning
15:04
Remove the sequence values from sorter records used by ORDER BY as well. check-in: c3ae3697 user: dan tags: orderby-planning
2014-03-24
20:19
Omit the sequence value from sorter records used by GROUP BY queries that cannot use an index. check-in: 3f90abdd user: dan tags: orderby-planning
18:08
Avoid unnecessary moving of content between registers during an ORDER BY. check-in: 4f472acc user: drh tags: orderby-planning
16:30
Remove unused variables Parse.nColCache and Parse.iColCache. check-in: 4d7551ce user: dan tags: trunk
15:00
Fix arithmetic operators so that they do not change the affinity of their input operands. Ticket [a8a0d2996a]. check-in: 221f8f94 user: drh tags: trunk
12:33
Cancel column-cache entries that are involved in a comparison operator since the comparison might have forced an affinity change. Originally proposed as a fix for ticket [a8a0d2996a], but later determined to be incorrect. Closed-Leaf check-in: 0b95b7a8 user: drh tags: tkt-a8a0d2996a
11:23
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. check-in: db7d62c8 user: dan tags: trunk
09:34
Remove an unnecessary temporary register allocation. check-in: 5d506743 user: dan tags: orderby-planning
02:20
Remove a pointless OP_Once operation in ORDER BY clauses with LIMIT. check-in: e6c59d23 user: drh tags: orderby-planning
01:43
Further enhancements to generated VDBE code for ORDER BY. check-in: e7188fad user: drh tags: orderby-planning
2014-03-23
18:47
merge fixes from trunk check-in: faf7f9ca user: drh tags: orderby-planning
17:45
Use only a single OP_MakeRecord instead of two when constructing entries to go onto a sorter. check-in: d696cded user: drh tags: orderby-planning
16:29
Avoid a possible use of an uninitialized variable following an I/O or OOM error. check-in: 641408a1 user: drh tags: trunk
2014-03-22
02:19
Clear the sort-order flags on the KeyInfo object associated with the OP_Compare/OP_Jump of the block-sort logic, in order to make the OP_Jump fully testable. check-in: 9b2838f2 user: drh tags: trunk
01:52
Increase the version number to 3.8.5. check-in: 9760879d user: drh tags: trunk
00:27
Fix the ORDER BY optimization logic so that it will do a block-sort on a partial DESC ORDER BY. This enhancement uncovered a memory leak in pushUntoSorter() which is also fixed. check-in: c36f7461 user: drh tags: trunk
2014-03-21
20:58
Add the ability to use indices for the first few terms of an ORDER BY clause, then sort in batches to handle the later terms. check-in: fa06a6fe user: drh tags: trunk
18:45
Merge the OFFSET-on-query-without-FROM fix from trunk. check-in: 71e9ae72 user: drh tags: orderby-planning
15:24
New test case for block-sorting. check-in: e70cfa28 user: drh tags: orderby-planning
2014-03-20
20:56
Merge trunk fixes for "x IN (?)" handling. check-in: eca35871 user: drh tags: orderby-planning
2014-03-19
23:42
Merge the vdbesort.c optimization from trunk. check-in: e4bfffb9 user: drh tags: orderby-planning
23:24
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. check-in: 01afbf97 user: drh tags: orderby-planning
17:41
Make it possible for block-sort to use the OP_SorterOpen sorter in addition to a generic OP_OpenEphemeral. check-in: 7ce2daaf user: drh tags: orderby-planning
16:56
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. check-in: 62f3a220 user: drh tags: orderby-planning
15:17
Avoid reusing temporary registers in co-routines when doing block-sorting. check-in: 463d921b user: drh tags: orderby-planning
14:30
Make sure the where.c query planner never reports that the number of ORDER BY terms that are satisfied by indices is negative. check-in: b186d8d1 user: drh tags: orderby-planning
14:10
First attempt at getting block-sort to work. This is an incremental check-in. There are many problems still to be worked out. check-in: 59742dd4 user: drh tags: orderby-planning