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34 check-ins using file src/pager.c version 817f7f71
2011-09-02
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18:03 | Combine two malloc calls in vdbesort.c. (check-in: cf48ad83 user: dan tags: merge-sort) | |
15:41 | Reduce the number of malloc() calls made when creating an index on more than 2 columns. (check-in: 065b0c98 user: dan tags: merge-sort) | |
15:08 | Remove unused local variable. (check-in: 61bda876 user: mistachkin tags: trunk) | |
11:45 | If all data being sorted fits in memory, avoid writing any data out to temporary files in vdbesort.c. (check-in: 71075673 user: dan tags: merge-sort) | |
10:31 | Instead of a temporary b-tree, use a linked-list and merge-sort to sort records in main memory in vdbesort.c. (check-in: 7769fb98 user: dan tags: merge-sort) | |
2011-09-01
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16:01 | Use OP_SorterOpen instead of OP_OpenEphemeral to implement GROUP BY. (check-in: ebf819aa user: drh tags: merge-sort) | |
15:32 | Experimental code-generator changes to utilize new opcodes for sorting. (check-in: bab2e560 user: drh tags: merge-sort) | |
2011-08-31
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23:57 | Avoid using uninitialized variables after failures in the merge sort code. (check-in: 2869ed28 user: drh tags: trunk) | |
21:01 | Formerly, we enabled fdatasync() on linux only. But now we learn that fdatasync() is not supported on Android. So we disable fdatasync() on Linux too. It can be reenabled at compile-time for those who really need it. (check-in: 70b5b309 user: drh tags: trunk) | |
20:47 | Add the SQLITE_MAX_SCHEMA_RETRY compile-time option to the set of options understood by "PRAGMA compile_options;" and by the "sqlite_compileoption_used()" function. (check-in: 1b124af4 user: drh tags: trunk) | |
19:40 | The server1.test script should only run if mutexes are functional. Fix to the #ifdef change of check-in [9e6a4c1473]. (check-in: 64898485 user: drh tags: trunk) | |
18:35 | Always include the unixShm.id field, even when not debugging. (check-in: 07803476 user: drh tags: trunk) | |
18:04 | Only create the sqlite3OSTrace global variable if compiling with SQLITE_TEST. (check-in: 9e6a4c14 user: drh tags: trunk) | |
17:46 | Backslash escaping is not working right in tostr.awk on the latest ubuntu. The easiest fix is to simply not use any backslashes in the spaceanal.tcl script. (check-in: df550066 user: drh tags: trunk) | |
13:27 | Add checks to make sure cells in corrupt database files do not overflow a page when doing autovacuum. Problem detected by valgrind. (check-in: d0b347b4 user: drh tags: trunk) | |
2011-08-30
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19:52 | Enable the thread test logic to work with the SQLITE_HAS_CODEC compile-time option. (check-in: 20ddfb47 user: drh tags: trunk) | |
01:29 | Change the build process so that it does not require the unix "sort" command. This avoids confusion between ms-sort and mingw-sort on windows systems. (check-in: f1bd5bba user: drh tags: trunk) | |
01:23 | Make sure SQLITE_FCNTL_SIZE_HINT a no-op if the chunk size is not greater than zero. (check-in: 88b763e8 user: mistachkin tags: trunk) | |
00:58 | Fix a total unimportant file descriptor leak in lemon. This is to silence warning messages. (check-in: e95cf2c5 user: drh tags: trunk) | |
00:53 | Fix a buffer overrun in test logic. No impact on the core SQLite. (check-in: 49cd60e3 user: drh tags: trunk) | |
2011-08-29
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18:24 | Fix a broken assert() statement in select.c. (check-in: ad78ef2b user: dan tags: trunk) | |
11:56 | Back out [05c9832e5f6eb] since it was causing a performance regression with no obvious benefit. (check-in: 639cc85a user: drh tags: trunk) | |
03:08 | Merge performance enhancements into trunk. (check-in: 5a00d24b user: drh tags: trunk) | |
02:49 | About a 1% overall performance improvement by using a macro to avoid no-op calls to sqlite3MemReleaseExternal(). (Closed-Leaf check-in: ff71d20a user: drh tags: experimental) | |
02:16 | Small performance improvement to OP_Column. (check-in: b6b73a74 user: drh tags: experimental) | |
2011-08-28
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02:15 | About a 3% improvement in the performance of OP_Column. (check-in: edff9d4a user: drh tags: experimental) | |
00:19 | Correctly display P4_ADVANCE values on opcode traces. Mark an always-taken branch in OP_Column as such. (check-in: 087dc960 user: drh tags: experimental) | |
2011-08-27
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18:48 | Experimental changes to improve the performance of OP_Next. (check-in: 1a249845 user: dan tags: experimental) | |
2011-08-26
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20:55 | Fix several harmless compiler warnings and a documentation bug. (check-in: 5454d0fe user: drh tags: trunk) | |
19:20 | Merge the latest trunk changes into the sessions branch. (check-in: eb036d6f user: drh tags: sessions) | |
13:16 | Merge the stat3-enhancement branch with trunk, but keep the resulting merge in a separate branch for now. (check-in: 63f2c785 user: drh tags: stat3-trunk) | |
11:25 | Update compiler error message regarding the choice of memory allocator defines. (check-in: 1dada515 user: mistachkin tags: trunk) | |
11:18 | Merge Win32 native heap support into trunk. (check-in: 5238a749 user: mistachkin tags: trunk) | |
00:34 | Create a new pager type, PAGER_SORTER, for use in the external merge sort. Such pagers are always held in memory but do report when they are under memory pressure by calling pagerStress. (check-in: c71d7320 user: drh tags: trunk) | |