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53 check-ins using file src/expr.c version 32c836d9
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2015-06-26
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| 18:50 | Fix some cases in the fts5 code where a corrupt database could cause a buffer overread. (check-in: 360c57bb user: dan tags: fts5) | |
| 17:10 | Merge changes to get FTS5 working with MSVC. (check-in: 954231d2 user: mistachkin tags: fts5) | |
| 16:55 | Merge upstream changes. Get the test fixture working with FTS5. Fix compiler warnings. (Closed-Leaf check-in: bfcd1608 user: mistachkin tags: fts5Msvc) | |
| 16:42 | Remove fts5 initialization code from core file main.c. (check-in: c91a93b3 user: dan tags: fts5) | |
| 16:17 | Add FTS5 DLL target for MSVC. (check-in: be85b824 user: mistachkin tags: fts5Msvc) | |
| 13:31 | Cache the most recently sqlite3_context used by OP_Function and reuse it on subsequent calls, if appropriate. This gives a noticable performance boost. (Closed-Leaf check-in: 2f31bdd1 user: drh tags: function-ctx-cache) | |
| 04:34 | Initial changes to get FTS5 working with MSVC. (check-in: ef2052f8 user: mistachkin tags: fts5Msvc) | |
| 03:12 | Fix harmless compiler warning in assert statement. (check-in: 7097716c user: mistachkin tags: trunk) | |
| 02:41 | Simplify the pcache by not keeping continuous track of page 1 but instead just loading page 1 on the rare occasions when it is actually needed. (check-in: 015302f1 user: drh tags: trunk) | |
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2015-06-25
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| 23:52 | Optimization to sqlite3_value_bytes() for the common case that does not require a data transformation. (check-in: 8d79f3a1 user: drh tags: trunk) | |
| 20:36 | Fix Makefile.in to account for recent changes. Update fts5 test scripts so that they do not run if SQLITE_ENABLE_FTS5 is not defined. (check-in: 31752207 user: dan tags: fts5) | |
| 20:16 | Merge latest trunk changes into this branch. (check-in: fcd8f7ce user: dan tags: fts5) | |
| 20:10 | Add a script to combine all fts5 code into a single file - fts5.c - that can be used to build an SQLite loadable extension. (check-in: 46e86b06 user: dan tags: fts5) | |
| 19:53 | Simplifications and performance improvements in insertCell(). (check-in: 7d02e6c9 user: drh tags: trunk) | |
| 18:36 | More simplifications and performance improvements to cell allocation logic associated with allocateSpace(). (check-in: 78da0f69 user: drh tags: trunk) | |
| 16:01 | Reorder the terms of a conditional for a small performance gain. (check-in: d67b0ed1 user: drh tags: trunk) | |
| 15:44 | Merge all the latest enhancements from trunk. (check-in: 924f4712 user: drh tags: sessions) | |
| 15:21 | Remove a NEVER() that is in fact reachable. (check-in: f824e66b user: drh tags: trunk) | |
| 15:04 | Minor optimization to allocateSpace(). (check-in: d007bc33 user: drh tags: trunk) | |
| 13:03 | Enhance the Btree object to remember whether or not it is holding an Incrblob cursor. Use this knowledge to improve performance in the common case where it does not. (check-in: 476b1156 user: drh tags: trunk) | |
| 02:26 | Remove a line of code that doesn't do any useful work. (check-in: 3ee888be user: drh tags: trunk) | |
| 02:25 | Increase the default timeout on fuzzcheck to 120 seconds - sufficient for running under valgrind on a slow workstation. (check-in: fad0eacc user: drh tags: trunk) | |
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2015-06-24
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| 23:44 | Add the --timeout option to fuzzcheck. (check-in: a8f4f7fa user: drh tags: trunk) | |
| 23:17 | Fix fuzzcheck so that it works with SQLITE_OMIT_PROGRESS_CALLBACK. (check-in: 7a9c4eb3 user: drh tags: trunk) | |
| 18:22 | Add "ON CONFLICT" handling to the spellfix module. (check-in: 07937a81 user: drh tags: trunk) | |
| 17:21 | Add "ON CONFLICT" handling to the spellfix module. (Closed-Leaf check-in: 1d04def7 user: dan tags: spellfix-constraints) | |
| 14:45 | In the fuzzcheck test program, use the progress handler to limit the number of VDBE cycles to avoid getting stuck if the SQL under test contains an infinite CTE loop. Add the --limit-vdbe command-line option. (check-in: fbf9c432 user: drh tags: trunk) | |
| 14:36 | Fix the progress handler so that it does not fire too soon during an sqlite3_step() call other than the first. (check-in: b41ef5d6 user: drh tags: trunk) | |
| 13:32 | Fix a harmless compiler warning. (check-in: 3b6fa95e user: drh tags: trunk) | |
| 13:25 | Rig the fuzzcheck test program so that it times out after 10 seconds in case of an infinite loop in the test case. (check-in: 659cfc9d user: drh tags: trunk) | |
| 13:05 | Update the database fuzz test cases to cover all recent findings. (check-in: 47ba7d96 user: drh tags: trunk) | |
| 12:44 | Add the --rebuild object to fuzzcheck. (check-in: db87664a user: drh tags: trunk) | |
| 12:24 | Prevent an infinite loop while searching a corrupt freelist. (check-in: 4e5424fe user: drh tags: trunk) | |
| 12:07 | Strengthen the new balance_nonroot() code against various corrupt database problems. (check-in: 5ba98343 user: drh tags: trunk) | |
| 10:46 | Adjustment to a malloc test so that it accepts a narrow range of values to account for variations in malloc subsystems. (check-in: e0195070 user: drh tags: trunk) | |
| 01:07 | Remove an invalid NEVER() and add a test case to cover it. (check-in: 14b73d20 user: drh tags: trunk) | |
| 00:05 | Performance optimization on balance_nonroot() and related routines. 2.6% faster overall with a size increase of less than 750 bytes. (check-in: 25131e70 user: drh tags: trunk) | |
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2015-06-23
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| 23:31 | Mark some branches as unreachable after the recent change that recognizes mismatch result set sizes on compound SELECT statements sooner. (check-in: c8d1f305 user: drh tags: trunk) | |
| 21:35 | Testability improvement. (Closed-Leaf check-in: eed6a331 user: drh tags: btree-opt2) | |
| 18:47 | Improve test coverage of fts5. (check-in: df5ccea8 user: dan tags: fts5) | |
| 18:24 | Multiple overflow cells are always adjacent and sequential. Exploit this invariant for a small size reduction and performance increase and add assert()s to prove the invariant. (check-in: f77f2f48 user: drh tags: btree-opt2) | |
| 17:09 | Faster loading of cell pointers into the b.apCell array in balance_nonroot. (check-in: fda89b05 user: drh tags: btree-opt2) | |
| 16:00 | Avoid unnecessary cachedCellSize() calls in the cell partition adjustment phase of balance_nonroot(). (check-in: 6319ee12 user: drh tags: btree-opt2) | |
| 15:36 | Change pageInsertArray() and pageFreeArray() so that they use the CellArray object and compute cell sizes as needed, resulting in smaller and faster code. (check-in: f7f41818 user: drh tags: btree-opt2) | |
| 15:06 | Merge latest trunk changes with this branch. Add tests for columnsize=0. (check-in: ef44c71a user: dan tags: fts5) | |
| 14:49 | Improvements to the way balance_nonroot() constructs the b.apCell array of pointers to cells. (check-in: ee44bb25 user: drh tags: btree-opt2) | |
| 13:02 | Merge the compound SELECT operator fix from trunk. (check-in: a7be554f user: drh tags: btree-opt2) | |
| 12:19 | Test that the left and right sides of a compound SELECT operator have the same number of expressions in the expanded expression list before beginning to generate code. (check-in: 4df852ce user: dan tags: trunk) | |
| 02:37 | Avoid computing cell sizes in balance_nonroot() until they are really needed. This gives an overall 1.7% performance gain for about 1000 extra bytes of code space. (check-in: 43844537 user: drh tags: btree-opt2) | |
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2015-06-22
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| 20:02 | Change the way that balance_nonroot() partitions cells between the sibling pages such that a scan of the cell size array is not required. (check-in: 16872871 user: drh tags: btree-opt2) | |
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2015-06-20
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| 18:13 | Split out all four cases of cellSizePtr() into different methods, each optimized for the specific page type. This gives a 0.36% performance increase at a cost of about 300 bytes of code. (Leaf check-in: 522502ec user: drh tags: btree-opt) | |
| 14:11 | Update the fuzztest data using the latest test vectors discovered by AFL. (check-in: b97f9cf7 user: drh tags: trunk) | |
| 13:18 | Make sure that the likelihood() function does not mess up generation of result-set code when it is used (inappropropriately) in a result-set expression. (check-in: 7cdbae62 user: drh tags: trunk) | |