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18 check-ins using file src/vdbeInt.h version 4653bb42

2014-09-01
13:37
Attempt to make the xDelete method of the unix VFS more robust on VxWorks. (check-in: b0f6b91f user: drh tags: trunk)
13:29
Micro-optimizations in sqlite3BtreeNext() and sqlite3BtreePrevious(). (check-in: 839c7996 user: drh tags: trunk)
01:16
Fix harmless compiler warnings for MSVC. (check-in: 3ef32461 user: mistachkin tags: trunk)
01:15
Merge updates from trunk. (check-in: 51f33cf1 user: mistachkin tags: asciiMode)
2014-08-30
15:49
In the command-line shell, added options --lookaside, --pagecache, and --scratch used to configure auxiliary memories. (check-in: f61db04b user: drh tags: trunk)
2014-08-29
14:20
Not a fault after all, rather a testing mistake. Move this change back to trunk. Was: Avoid an unnecessary OP_Move operation for expression subqueries. (check-in: 2a74129a user: drh tags: trunk)
12:29
Contains a fault. Was: Avoid an unnecessary OP_Move operation for expression subqueries. (Closed-Leaf check-in: 462f42af user: drh tags: mistake)
11:24
Add the sqlite3VdbeChangeDest() routine that can be used to eliminate OP_Move opcodes. (Closed-Leaf check-in: 8c57bcc3 user: drh tags: experimental)
2014-08-28
19:38
Improved WHERETRACE messages for the estimated output row reductions from range scans. (check-in: fdd478bb user: drh tags: trunk)
17:30
Fix a problem causing an inaccurate stat4-based estimate for the number of rows visited by a range scan. (check-in: a9daf3ac user: drh tags: trunk)
17:20
Add a testcase() macro to help verfity the row estimation logic. (Closed-Leaf check-in: 6ba60952 user: drh tags: stat4-experimental)
16:01
Fix a problem causing an inaccurate stat4-based estimate for the number of rows visited by a range scan. (check-in: 052d89b5 user: dan tags: stat4-experimental)
13:42
Fix a formatting error ("%d" needed in place of "%g") on a WHERETRACE macro inside of the query planner. This fix applies to debugging logic only. (check-in: c931ca2b user: drh tags: trunk)
2014-08-27
23:18
Refactor the sqlite3PcacheFetch() routine into three separate routines, which are significantly faster overall and about 100 bytes smaller in size as well. (check-in: bdb6e497 user: drh tags: trunk)
17:53
Add a VDBE synopsis comment for clarification. (check-in: 029a6dc7 user: mistachkin tags: trunk)
17:48
Add a missing ticket number to a comment in index7.test. (check-in: d8b1c433 user: dan tags: trunk)
17:37
When determining whether or not a partial index is usable, do not assume that the cursor number assigned to each table in the query is the same as its index in the FROM clause. Fix for ticket [98d973b8f5]. (check-in: fcebca16 user: dan tags: trunk)
14:14
In the sqlite3_context object, keep a pointer to the result value rather than storing the result value in the sqlite3_context object and using memcpy() to move the value back into its register after the function returns. This runs faster and saves over 500 bytes of code space. (check-in: 6c1ee3e3 user: drh tags: trunk)