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100 descendants of e6c59d23316c83b3
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2014-07-28
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| 15:01 | Merge recent trunk changes into the threads branch. (check-in: 163c247bd8 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: 9af50a878f user: drh tags: threads) | |
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2014-07-24
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| 16:54 | Merge all recent trunk changes into the threads branch. (check-in: 770685892c user: drh tags: threads) | |
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2014-06-30
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| 20:25 | Merge the latest trunk changes into the threads branch. (check-in: ae23a65eb1 user: drh tags: threads) | |
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2014-06-18
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| 15:18 | Merge in all recent changes from trunk, and especially the automatic index enhancements. (check-in: 0e1b73496f user: drh tags: threads) | |
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2014-06-05
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| 13:22 | Bring the threads branch up-to-date with the 3.8.5 release. (check-in: e4b01676d7 user: drh tags: threads) | |
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2014-05-29
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| 20:24 | Merge changes from the trunk into the threads branch. (check-in: 416cb09126 user: drh tags: threads) | |
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2014-05-26
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| 20:15 | Merge recent trunk changes into the threads branch. (check-in: 8215202759 user: drh tags: threads) | |
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2014-05-20
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| 19:11 | Improvements to the testability of the threads.c module. (check-in: 386e088868 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: 99efb235a0 user: drh tags: threads) | |
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2014-05-19
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| 23:17 | Merge recent changes from trunk. (check-in: 6eefdad946 user: drh tags: threads) | |
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2014-05-16
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| 20:24 | Rearrange some conditionals and add #if statements to make the code more testable. (check-in: 17afd77057 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: cceac14fd8 user: drh tags: threads) | |
| 14:27 | Merge all recent changes from trunk, and especially the new sqlite3FaultSim() interface. (check-in: 43fcbd9116 user: drh tags: threads) | |
| 12:18 | Use #ifdef logic to avoid an always-true branch when SQLITE_MAX_WORKER_THREADS=0 (check-in: 88cfe6d7de user: drh tags: threads) | |
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2014-05-15
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| 16:56 | Use #ifdef to omit code that is not used when SQLITE_MAX_WORKER_THREADS is zero. (check-in: 2e8d287d4f user: drh tags: threads) | |
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2014-05-12
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| 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: d7e2b0d9cb user: drh tags: threads) | |
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2014-05-09
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| 17:17 | Merge recent trunk changes into the orderby-planning branch. (Leaf check-in: 8d8609d6c6 user: drh tags: orderby-planning) | |
| 15:00 | Merge the latest trunk changes into the threads branch. (check-in: 9ac8f1e711 user: dan tags: threads) | |
| 11:15 | Add new static mutex SQLITE_MUTEX_STATIC_APP3. (check-in: ee0ab09c80 user: dan tags: threads) | |
| 00:36 | Fix several harmless compiler warnings. (Closed-Leaf check-in: 360c0fd1cf user: mistachkin tags: winPreCache) | |
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2014-05-08
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| 22:15 | Fix typos in logging code. (check-in: dc7f84dfcc user: mistachkin tags: winPreCache) | |
| 22:08 | Fix a memory leak of the temporary read buffer. (check-in: 37e60d211f user: mistachkin tags: winPreCache) | |
| 22:05 | Update comments and only include the thread routine when required. (check-in: a60c545f25 user: mistachkin tags: winPreCache) | |
| 22:01 | Experimental changes to pre-cache a database file prior to it being fully opened. (check-in: 38cbcedbb6 user: mistachkin tags: winPreCache) | |
| 22:01 | Fix static variable declaration issue on Windows. (check-in: a41d296913 user: mistachkin tags: threads) | |
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2014-05-06
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| 16:21 | Add a little extra variety to the tests in sort4.test. (check-in: 7de6aee6a5 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: 208b2b04d4 user: dan tags: threads) | |
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2014-05-05
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| 20:03 | Add test file sort4.test, containing brute force tests for the multi-theaded sorter. (check-in: 9cc364c42c user: dan tags: threads) | |
| 15:58 | Fix a race condition in the sorter code. (check-in: 2d2edfe58d 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: bde28b702d user: dan tags: threads) | |
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2014-05-03
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| 20:43 | Add an extra fault-injection test to sortfault.test. Remove an unreachable branch from vdbesort.c. (check-in: a33a366ba8 user: dan tags: threads) | |
| 19:33 | Fix a race condition in the sorter. (check-in: 32ccf3ae18 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: 3a66c4e1bf user: dan tags: threads) | |
| 13:53 | Get SQLITE_MUTEX_STATIC_APP1 and _APP2 working for the debugMutex implementation. (check-in: f49ba1c926 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: 13686035dd 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: e0dea89b3e user: drh tags: threads) | |
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2014-05-02
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| 19:12 | Fix typo in Windows makefile. Make sure the WaitForSingleObjectEx system call is always available. (check-in: d7ed529fa2 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: 63ed2d6acb user: drh tags: threads) | |
| 18:05 | Merge orderby-planning with this branch. (check-in: d9549de317 user: dan tags: threads) | |
| 17:33 | Simplify assert() statements used to verify correct operation of record comparison routines. (check-in: 3300d62dcb user: drh tags: orderby-planning) | |
| 17:12 | Fix some broken asserts in btree.c and vdbeaux.c that may fail following an OOM error. (check-in: e15f47064b user: dan tags: threads) | |
| 16:22 | Failure to extend a temp file for use with mmap() in vdbesort.c is benign. (check-in: d4d396387d user: drh tags: orderby-planning) | |
| 16:03 | Remove a faulty assert() from vdbesort.c. (check-in: d95d68aa1d user: dan tags: threads) | |
| 15:25 | Fix a faulty assert() statement. (check-in: 9196ce4073 user: drh tags: orderby-planning) | |
| 13:09 | Merge latest trunk enhancements and fixes into the orderby-planning branch. (check-in: 84862d3a09 user: drh tags: orderby-planning) | |
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2014-04-24
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| 16:25 | Improved header comment on the vdbesort.c module. No changes to code. (check-in: bf09ce24d0 user: drh tags: orderby-planning) | |
| 15:06 | Reopen the orderby-planning branch and merge in the latest trunk enhancements and fixes. (check-in: 6077ddcd93 user: drh tags: orderby-planning) | |
| 12:28 | Improvements to comments. Store some extra information in SqliteThread that is useful for debugging. (check-in: 9fb5e21208 user: drh tags: threads) | |
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2014-04-23
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| 12:57 | Merge all recent trunk changes into the threads branch. (check-in: e2c9f71a45 user: drh tags: threads) | |
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2014-04-18
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| 13:57 | Add to speedtest1.c the --threads option for setting the SQLITE_CONFIG_WORKER_THREADS configuration. (check-in: 5fce40c44a user: drh tags: threads) | |
| 13:40 | Fix harmless compiler warnings. (check-in: f8f72ecb90 user: drh tags: threads) | |
| 12:38 | Merge recent trunk changes into the threads branch. (check-in: 8729aa3e3e user: drh tags: threads) | |
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2014-04-17
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| 08:57 | Fix build problems in vdbesort.c. Add further comments and changes to make things easier to understand. (check-in: 12b190db1d user: dan tags: threads) | |
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2014-04-16
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| 19:04 | Clarify the purpose of the nField argument passed to sqlite3VdbeSorterInit(). (check-in: c0c8cff17b user: dan tags: threads) | |
| 17:41 | Change the name of vdbeIncrInit2 to vdbePmaReaderIncrInit. Add a header comment to the same function. (check-in: 6622d87675 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: 69026ec7dc user: dan tags: threads) | |
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2014-04-15
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| 20:52 | Fix some problems to do with OOM conditions in vdbesort.c. Some problems remain. (check-in: 2f94f9ce9b user: dan tags: threads) | |
| 19:52 | Fix further code and documentation issues in vdbesort.c. (check-in: d03f5b8622 user: dan tags: threads) | |
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2014-04-14
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| 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: cb0ab20c48 user: dan tags: threads) | |
| 18:41 | Improve performance in single-threaded mode by having the final merge pass keys directly to the VDBE, instead of going via a final PMA. (Closed-Leaf check-in: 02610cd9b7 user: dan tags: threads-experimental) | |
| 08:45 | Minor fixes so that builds with SQLITE_MAX_WORKER_THREADS=0 work. (check-in: e400bbbf26 user: dan tags: threads-experimental) | |
| 07:30 | Improve use of multiple threads in sqlite3VdbeSorterRewind(). (check-in: e1bdc4b810 user: dan tags: threads-experimental) | |
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2014-04-12
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| 19:34 | Fix many issues with new code. (check-in: 62c406a042 user: dan tags: threads-experimental) | |
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2014-04-11
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| 19:43 | Avoid having the sorter merge too many PMAs at a time when incrementally merging data following a SorterRewind(). (check-in: 98bf0307b1 user: dan tags: threads-experimental) | |
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2014-04-09
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| 20:04 | Experimental multi-threaded sorting changes to allow the sorter to begin returning items to the VDBE before all data is sorted. (check-in: f9d5e09afa user: dan tags: threads-experimental) | |
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2014-04-07
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| 18:44 | Experimental multi-threaded sorting changes to begin merging PMAs before SorterRewind() is called. (Closed-Leaf check-in: cbfc0f6d49 user: dan tags: abandoned) | |
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2014-04-04
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| 22:44 | Fix harmless compiler warnings. (check-in: e54dded201 user: drh tags: threads) | |
| 21:40 | Fix typo in a Windows threading support routine. (check-in: 5e3dfa27c7 user: mistachkin tags: threads) | |
| 18:37 | Merge the latest trunk changes into the threads branch. (check-in: 39ac79cffe user: drh tags: threads) | |
| 07:52 | Add test file sort3.test, which should have been part of commit [9d3351b8d7]. (check-in: dceed2c803 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: 217814bc4b user: drh tags: threads) | |
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2014-04-03
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| 16:42 | Merge all recent changes from trunk. (check-in: a0910079ad user: drh tags: threads) | |
| 16:25 | Fix an integer overflow problem in the sorter. (check-in: 9d3351b8d7 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: 0561272abf 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: d284e30eb1 user: drh tags: threads) | |
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2014-04-02
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| 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: eef60f1bf5 user: drh tags: threads) | |
| 15:15 | Fix some problems with OOM handling in vdbesort.c. (check-in: 47e702bd83 user: dan tags: threads) | |
| 14:38 | Change the name of the SorterThread object to "SortSubtask" to avoid confusion with the SQLiteThread object. (check-in: 4ee2d910fb user: drh tags: threads) | |
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2014-04-01
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| 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: 821d1ac450 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: 643c86a056 user: dan tags: threads) | |
| 10:19 | Fix a problem with OOM handling in the sorter code. (check-in: 59cd5229e2 user: dan tags: threads) | |
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2014-03-31
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| 19:57 | Add the SQLITE_MAX_WORKER_THREADS compile time option. And the SQLITE_CONFIG_WORKER_THREADS sqlite3_config() switch. (check-in: 2774710df8 user: dan tags: threads) | |
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2014-03-29
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| 19:48 | Changes to make the multi-threaded sorter sort stably. (Closed-Leaf check-in: 83a105c864 user: dan tags: threads-closed) | |
| 10:01 | Fix a broken assert() in vdbesort.c. (check-in: 18d1b402f2 user: dan tags: threads) | |
| 09:34 | Fix a problem in vdbesort.c causing spurious SQLITE_NOMEM errors when using memsys3 or memsys5. (check-in: a683c05f62 user: dan tags: threads) | |
| 06:27 | Add the optimization to avoid some unnecessary calls to sqlite3VdbeRecordUnpack() added to the trunk by [707ea170b3]. (check-in: fc4d04e6b0 user: dan tags: threads) | |
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2014-03-28
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| 19:47 | Fix a compiler warning and an after-OOM memory leak. (check-in: 58f7ca2930 user: drh tags: orderby-planning) | |
| 19:18 | Merge latest changes from orderby-planning branch. (check-in: 4c7fb54234 user: dan tags: threads) | |
| 18:35 | Merge the latest changes from trunk. (check-in: 3047a25f1c user: drh tags: orderby-planning) | |
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2014-03-27
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| 19:25 | Instead of allocating a single large buffer at the beginning of each sort operation, start with a small buffer and extend it using realloc() as required. (check-in: 81987c8ceb user: dan tags: orderby-planning) | |
| 17:23 | Use xFetch() to access temporary files in vdbesort.c. Use a single large allocation instead of many small allocations when accumulating records in vdbesort.c. This is an interim commit - it allocates a buffer the size of the page-cache every time data is sorted. (check-in: f4ac1bf28c user: dan tags: orderby-planning) | |
| 00:09 | Merge the latest trunk changes and the fix for the crash on a corrupt database. (check-in: 0b35346c32 user: drh tags: orderby-planning) | |
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2014-03-25
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| 18:29 | Merge enhancements and fixes from trunk. (check-in: e005f2d6dd user: drh tags: orderby-planning) | |
| 17:07 | Fix a problem in the code added by [707ea170b3] causing vdbesort.c to sort unstably. (check-in: d3e640afe6 user: dan tags: orderby-planning) | |
| 15:04 | Remove the sequence values from sorter records used by ORDER BY as well. (check-in: c3ae369783 user: dan tags: orderby-planning) | |
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2014-03-24
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| 20:19 | Omit the sequence value from sorter records used by GROUP BY queries that cannot use an index. (check-in: 3f90abddc3 user: dan tags: orderby-planning) | |
| 18:08 | Avoid unnecessary moving of content between registers during an ORDER BY. (check-in: 4f472accf0 user: drh tags: orderby-planning) | |
| 09:34 | Remove an unnecessary temporary register allocation. (check-in: 5d506743f5 user: dan tags: orderby-planning) | |
| 02:20 | Remove a pointless OP_Once operation in ORDER BY clauses with LIMIT. (check-in: e6c59d2331 user: drh tags: orderby-planning) | |