/ Timeline
Login
SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

100 most recent check-ins tagged with "threads"

2014-08-29
19:06
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). Closed-Leaf check-in: 33fa0410 user: drh tags: threads
18:06
Fix the speedtest1.c test program to set the worker thread count using the threads pragma. check-in: 2ab4b5ad user: drh tags: threads
16:20
Add SQLITE_LIMIT_WORKER_THREADS for controlling the maximum number of worker threads. check-in: 1b598c68 user: drh tags: threads
14:40
Merge recent performance enhancements from trunk onto the threads branch. check-in: 35c44a3c user: drh tags: threads
2014-08-25
23:44
Remove the SQLITE_CONFIG_WORKER_THREADS configuration parameter. The number of worker threads in the sorter is now determined only by the PRAGMA threads=N setting. check-in: e3305d4b user: drh tags: threads
22:43
Merge the CAST operator enhancements from trunk. check-in: 6c8f86e4 user: drh tags: threads
15:13
Query or change the maximum number of worker threads allowed on each database connection separately using the "PRAGMA threads" command. check-in: 29c5e8a7 user: drh tags: threads
13:27
Merge the recent performance enhancements implemented on trunk into the threads branch. check-in: dfdc900f user: drh tags: threads
2014-08-15
15:46
Merge the 3.8.6 release into the threads branch. check-in: 05807c41 user: drh tags: threads
2014-08-14
14:02
Merge the pre-3.8.6 changes into the threads branch. check-in: a608fd1d user: drh tags: threads
2014-08-06
02:03
Merge all recent changes from trunk. check-in: a353a851 user: drh tags: threads
2014-07-30
18:47
Add a new sqlite3FaultSim() call to vdbePmaReaderSeek() to facilitate tests of error handling in the sorter. check-in: 655d8cfc user: drh tags: threads
17:21
Mark some invariants in the vdbesort.c logic when SQLITE_MAX_WORKER_THREADS==0. check-in: 721cd965 user: drh tags: threads
14:44
Merge recent trunk changes, and especially the fix for the CREATE UNIQUE INDEX problem of ticket [9a6daf340df99ba9]. check-in: 5b50a838 user: drh tags: threads
2014-07-29
21:44
Disable an assert that is sometimes generated spuriously. check-in: bd9ee0ea user: mistachkin tags: threads
19:00
Update return value checking to conform to the beginthreadex() specs. check-in: 3144a16f user: mistachkin tags: threads
18:53
Add a couple more assert statements. check-in: 4e816db2 user: mistachkin tags: threads
18:46
Fix unreachable branches in the threads.c module. check-in: 3175e366 user: drh tags: threads
17:22
Fix a harmless compiler warning. check-in: 216d21d0 user: drh tags: threads
16:37
Make the Win32 thread handles are available after the threads exit. check-in: 565c5af7 user: mistachkin tags: threads
15:18
Fix the threads build on Windows when SQLITE_MAX_WORKER_THREADS is greater than 0. check-in: f37db3a0 user: drh tags: threads
14:16
Merge the R-Tree fix and the new SQLITE_TESTCTRL_ISINIT test control from trunk. check-in: b2f7eb3c user: drh tags: threads
00:42
Add some asserts to the Win32 mutex subsystem. check-in: e8f2dc5f user: mistachkin tags: threads
00:23
Fix the build on windows. check-in: 2773a5f9 user: drh tags: threads
2014-07-28
20:16
Remove an unnecessary parameter from vdbeMergeEngineStep(). Rename a couple other routines to be more descriptive of what they do. check-in: f2407a40 user: drh tags: threads
19:58
Rename vdbeIncrMergerInit() to vdbeMergeEngineInit() - a much more accurate name. check-in: 5b084a2d user: drh tags: threads
18:57
In vdbesort.c, rename vdbeSorterDoCompare() to vdbeMergeEngineCompare() and move it closer to the one place where it is called. Other minor comment changes. check-in: 09d50d9f user: drh tags: threads
17:18
In vdbesort.c, rename all pointers to sqlite3_file objects "pFd" and use the name "pFile" only for pointers to SortFile objects. Other comment enhancements. check-in: 518290a7 user: drh tags: threads
15:01
Merge recent trunk changes into the threads branch. check-in: 163c247b user: drh tags: threads
14:54
Improvements to comments in the multi-threaded sorter. Also include a function name change for clarity. And add a test to help show that the MergeEngine object is only used by a single thread. check-in: 9af50a87 user: drh tags: threads
2014-07-24
16:54
Merge all recent trunk changes into the threads branch. check-in: 77068589 user: drh tags: threads
2014-06-30
20:25
Merge the latest trunk changes into the threads branch. check-in: ae23a65e user: drh tags: threads
2014-06-18
15:18
Merge in all recent changes from trunk, and especially the automatic index enhancements. check-in: 0e1b7349 user: drh tags: threads
2014-06-05
13:22
Bring the threads branch up-to-date with the 3.8.5 release. check-in: e4b01676 user: drh tags: threads
2014-05-29
20:24
Merge changes from the trunk into the threads branch. check-in: 416cb091 user: drh tags: threads
2014-05-26
20:15
Merge recent trunk changes into the threads branch. check-in: 82152027 user: drh tags: threads
2014-05-20
19:11
Improvements to the testability of the threads.c module. check-in: 386e0888 user: drh tags: threads
11:03
In vdbesort.c, change the names of PmaReader variables "pIter" to "pReadr". Other related comment changes. The generated object code should be the same. check-in: 99efb235 user: drh tags: threads
2014-05-19
23:17
Merge recent changes from trunk. check-in: 6eefdad9 user: drh tags: threads
2014-05-16
20:24
Rearrange some conditionals and add #if statements to make the code more testable. check-in: 17afd770 user: drh tags: threads
17:31
Add a pair of sqlite3FaultSim(100) calls to vdbesort.c to facilitate testing of obscure and hard to reach error conditions. check-in: cceac14f user: drh tags: threads
14:27
Merge all recent changes from trunk, and especially the new sqlite3FaultSim() interface. check-in: 43fcbd91 user: drh tags: threads
12:18
Use #ifdef logic to avoid an always-true branch when SQLITE_MAX_WORKER_THREADS=0 check-in: 88cfe6d7 user: drh tags: threads
2014-05-15
16:56
Use #ifdef to omit code that is not used when SQLITE_MAX_WORKER_THREADS is zero. check-in: 2e8d287d user: drh tags: threads
2014-05-12
15:30
In the sorter, only use large memory allocations if scratch memory has not been configured. Add #ifdefs to disable unused code when SQLITE_MAX_WORKER_THREADS is zero. Other sorter changes in support of testability. check-in: d7e2b0d9 user: drh tags: threads
2014-05-09
15:00
Merge the latest trunk changes into the threads branch. check-in: 9ac8f1e7 user: dan tags: threads
11:15
Add new static mutex SQLITE_MUTEX_STATIC_APP3. check-in: ee0ab09c user: dan tags: threads
2014-05-08
22:01
Fix static variable declaration issue on Windows. check-in: a41d2969 user: mistachkin tags: threads
2014-05-06
16:21
Add a little extra variety to the tests in sort4.test. check-in: 7de6aee6 user: dan tags: threads
15:38
Re-implement the core of the multi-threaded sorter tests in sort4.test using C. Run each test in sort4.test ten times, or repeat all tests for 300 seconds as part of the "multithread" permutation test. check-in: 208b2b04 user: dan tags: threads
2014-05-05
20:03
Add test file sort4.test, containing brute force tests for the multi-theaded sorter. check-in: 9cc364c4 user: dan tags: threads
15:58
Fix a race condition in the sorter code. check-in: 2d2edfe5 user: dan tags: threads
09:08
Add tests so that the "coverage-sorter" test permutation covers all branches in vdbesort.c. Fix a few minor problems in the same file. check-in: bde28b70 user: dan tags: threads
2014-05-03
20:43
Add an extra fault-injection test to sortfault.test. Remove an unreachable branch from vdbesort.c. check-in: a33a366b user: dan tags: threads
19:33
Fix a race condition in the sorter. check-in: 32ccf3ae user: dan tags: threads
14:28
Fix a problem in the sorter causing it to return spurious SQLITE_NOMEM errors when configured to use memsys3 or memsys5. check-in: 3a66c4e1 user: dan tags: threads
13:53
Get SQLITE_MUTEX_STATIC_APP1 and _APP2 working for the debugMutex implementation. check-in: f49ba1c9 user: drh tags: threads
12:00
Add two new static mutexes, SQLITE_MUTEX_STATIC_APP1 and _APP2, for use by the application program. First intended use is in test programs for the memory allocation logic where one does not want to allocating a _FAST or _RECURSIVE mutex since that would involve using the memory allocation system under test. check-in: 13686035 user: drh tags: threads
11:22
Add the SQLITE_DEFAULT_WORKER_THREADS compile-time option. Fix a NULL-pointer dereference that can occur following OOM. check-in: e0dea89b user: drh tags: threads
2014-05-02
19:12
Fix typo in Windows makefile. Make sure the WaitForSingleObjectEx system call is always available. check-in: d7ed529f user: mistachkin tags: threads
18:46
Do not run the vdbeRecordCompareDebug() assert if pKeyInfo->db is NULL since in that case there would be no way to check for a memory allocation failure. check-in: 63ed2d6a user: drh tags: threads
18:05
Merge orderby-planning with this branch. check-in: d9549de3 user: dan tags: threads
17:12
Fix some broken asserts in btree.c and vdbeaux.c that may fail following an OOM error. check-in: e15f4706 user: dan tags: threads
16:03
Remove a faulty assert() from vdbesort.c. check-in: d95d68aa user: dan tags: threads
2014-04-24
12:28
Improvements to comments. Store some extra information in SqliteThread that is useful for debugging. check-in: 9fb5e212 user: drh tags: threads
2014-04-23
12:57
Merge all recent trunk changes into the threads branch. check-in: e2c9f71a user: drh tags: threads
2014-04-18
13:57
Add to speedtest1.c the --threads option for setting the SQLITE_CONFIG_WORKER_THREADS configuration. check-in: 5fce40c4 user: drh tags: threads
13:40
Fix harmless compiler warnings. check-in: f8f72ecb user: drh tags: threads
12:38
Merge recent trunk changes into the threads branch. check-in: 8729aa3e user: drh tags: threads
2014-04-17
08:57
Fix build problems in vdbesort.c. Add further comments and changes to make things easier to understand. check-in: 12b190db user: dan tags: threads
2014-04-16
19:04
Clarify the purpose of the nField argument passed to sqlite3VdbeSorterInit(). check-in: c0c8cff1 user: dan tags: threads
17:41
Change the name of vdbeIncrInit2 to vdbePmaReaderIncrInit. Add a header comment to the same function. check-in: 6622d876 user: dan tags: threads
16:43
Rework the way trees of MergeEngine objects are built in vdbesort.c to make it easier to follow. Fix memory leaks that could follow an OOM or IO error. Add various comments to explain functions in vdbesort.c. check-in: 69026ec7 user: dan tags: threads
2014-04-15
20:52
Fix some problems to do with OOM conditions in vdbesort.c. Some problems remain. check-in: 2f94f9ce user: dan tags: threads
19:52
Fix further code and documentation issues in vdbesort.c. check-in: d03f5b86 user: dan tags: threads
2014-04-14
19:23
Allow the sorter to begin returning data to the VDBE as soon as it is available, instead of waiting until all keys have been sorted. check-in: cb0ab20c user: dan tags: threads
2014-04-04
22:44
Fix harmless compiler warnings. check-in: e54dded2 user: drh tags: threads
21:40
Fix typo in a Windows threading support routine. check-in: 5e3dfa27 user: mistachkin tags: threads
18:37
Merge the latest trunk changes into the threads branch. check-in: 39ac79cf user: drh tags: threads
07:52
Add test file sort3.test, which should have been part of commit [9d3351b8d7]. check-in: dceed2c8 user: dan tags: threads
02:13
Change vdbeSorterExtendFile() so that it makes a best effort to create the PMA file of the desired size, but does not return an error if unable. check-in: 217814bc user: drh tags: threads
2014-04-03
16:42
Merge all recent changes from trunk. check-in: a0910079 user: drh tags: threads
16:25
Fix an integer overflow problem in the sorter. check-in: 9d3351b8 user: dan tags: threads
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
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
2014-03-31
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
2014-03-29
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
19:18
Merge latest changes from orderby-planning branch. check-in: 4c7fb542 user: dan tags: threads
2014-03-26
19:45
Merge from trunk the fix for the crash on a corrupt database. check-in: 8cb2b02b user: drh tags: threads
2014-03-25
14:12
Enable four sorting threads by default in the command-line shell. check-in: 1cab8357 user: drh tags: threads
13:17
Merge all fixes and enhancements from trunk. check-in: b415dfb6 user: drh tags: threads
2014-03-17
15:43
Add an experimental multi-threaded capability to vdbesorter.c. check-in: ff0b5c85 user: dan tags: threads