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SQLite training in Houston TX on 2019-11-05 (details)
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25 check-ins using file src/where.c version 7d539ced

2014-04-03
16:25
Fix an integer overflow problem in the sorter. check-in: 9d3351b8 user: dan tags: threads
14:31
Fix a typo in the "Synopsis:" comment for the OP_VFilter opcode. check-in: 48ecdd4a user: drh tags: trunk
14:29
Fix minor errors causing compilation to fail with SQLITE_MAX_WORKER_THREADS set to a value greater than zero. check-in: 0561272a user: dan tags: threads
02:54
Refactor local object and method names in vdbesort.c so that their names more closely reflect their actual use. check-in: d284e30e user: drh tags: threads
00:32
In the command-line shell, run set writable_schema before running the ".clone" command. check-in: 9d2ae634 user: drh tags: trunk
2014-04-02
18:58
Add a big introductory comment to vdbesort.c explaining its operation at a high level. Also adjust some symbolic names and fix other comment issues in that file. check-in: eef60f1b user: drh tags: threads
15:15
Fix some problems with OOM handling in vdbesort.c. check-in: 47e702bd user: dan tags: threads
14:38
Change the name of the SorterThread object to "SortSubtask" to avoid confusion with the SQLiteThread object. check-in: 4ee2d910 user: drh tags: threads
2014-04-01
18:41
When sorting data for a CREATE INDEX statement in single-threaded mode, assume that keys are delivered to the sorter in primary key order. Also fix various comments that had fallen out of date. check-in: 821d1ac4 user: dan tags: threads
15:38
Even if compile time option SQLITE_MAX_WORKER_THREADS is set to one or greater, set the default number of worker threads to zero. Distribute data more evenly between threads in sqlite3VdbeSorterWrite() to improve performance when sorting large amounts of data. Add new test file sort2.test. check-in: 643c86a0 user: dan tags: threads
10:19
Fix a problem with OOM handling in the sorter code. check-in: 59cd5229 user: dan tags: threads
01:24
Remove an unnecessary conditional, replacing it with an assert(). Improvements to comments. Closed-Leaf check-in: 834bf1c3 user: drh tags: overflow-pgno-cache
2014-03-31
23:57
Fix a compiler warning when SQLITE_DIRECT_OVERFLOW_READ is defined. Minor performance enhancement and size reduction. check-in: 96385dc4 user: drh tags: overflow-pgno-cache
22:03
Merge in the latest changes and fixes from trunk. check-in: f6211540 user: drh tags: overflow-pgno-cache
19:57
Add the SQLITE_MAX_WORKER_THREADS compile time option. And the SQLITE_CONFIG_WORKER_THREADS sqlite3_config() switch. check-in: 2774710d user: dan tags: threads
13:42
Avoid a (harmless) buffer overread that is possible on an OOM when MEMSYS5 is engaged. check-in: b3296267 user: drh tags: trunk
2014-03-29
19:48
Changes to make the multi-threaded sorter sort stably. Closed-Leaf check-in: 83a105c8 user: dan tags: threads-closed
10:01
Fix a broken assert() in vdbesort.c. check-in: 18d1b402 user: dan tags: threads
09:34
Fix a problem in vdbesort.c causing spurious SQLITE_NOMEM errors when using memsys3 or memsys5. check-in: a683c05f user: dan tags: threads
06:27
Add the optimization to avoid some unnecessary calls to sqlite3VdbeRecordUnpack() added to the trunk by [707ea170b3]. check-in: fc4d04e6 user: dan tags: threads
2014-03-28
19:47
Fix a compiler warning and an after-OOM memory leak. check-in: 58f7ca29 user: drh tags: orderby-planning
19:18
Merge latest changes from orderby-planning branch. check-in: 4c7fb542 user: dan tags: threads
18:35
Merge the latest changes from trunk. check-in: 3047a25f user: drh tags: orderby-planning
14:41
Disable the wal64k.test script for non-unix systems since it depends on unix-only features. check-in: 27deb6e4 user: drh tags: trunk
12:56
Fix a harmless compiler warning. check-in: a4e47150 user: drh tags: trunk