SQLite
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11 timeline items occurring around 2014-08-29 14:20:46.

2014-08-29
19:06
[33fa0410] Closed-Leaf: Disable worker threads when SQLITE_THREADSAFE=0. Set the default compile-time maximum number of worker threads to 8 and honor the SQLITE_DEFAULT_WORKER_THREADS compile-time constant (which defaults to 0). (user: drh, tags: threads)
18:06
[2ab4b5ad] Fix the speedtest1.c test program to set the worker thread count using the threads pragma. (user: drh, tags: threads)
16:20
[1b598c68] Add SQLITE_LIMIT_WORKER_THREADS for controlling the maximum number of worker threads. (user: drh, tags: threads)
14:40
[35c44a3c] Merge recent performance enhancements from trunk onto the threads branch. (user: drh, tags: threads)
14:20
[2a74129a] 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. (user: drh, tags: trunk)
14:04 • Edit [462f42af52f146fd|462f42af]: Move to branch mistake. Edit check-in comment. (user: drh)
12:32 • Edit [8c57bcc327d3d456|8c57bcc3]: Mark "Closed". (user: drh)
12:29
[462f42af] Closed-Leaf: Contains a fault. Was: Avoid an unnecessary OP_Move operation for expression subqueries. (user: drh, tags: mistake)
11:24
[8c57bcc3] Closed-Leaf: Add the sqlite3VdbeChangeDest() routine that can be used to eliminate OP_Move opcodes. (user: drh, tags: experimental)
2014-08-28
19:38
[fdd478bb] Improved WHERETRACE messages for the estimated output row reductions from range scans. (user: drh, tags: trunk)
17:30
[a9daf3ac] Fix a problem causing an inaccurate stat4-based estimate for the number of rows visited by a range scan. (user: drh, tags: trunk)