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50 check-ins occurring around fc4f4d1eccec2e09.
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2015-06-23
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| 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: f7f4181811 user: drh tags: btree-opt2) | |
| 15:06 | Merge latest trunk changes with this branch. Add tests for columnsize=0. (check-in: ef44c71a22 user: dan tags: fts5) | |
| 14:49 | Improvements to the way balance_nonroot() constructs the b.apCell array of pointers to cells. (check-in: ee44bb25b2 user: drh tags: btree-opt2) | |
| 13:02 | Merge the compound SELECT operator fix from trunk. (check-in: a7be554f4b 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: 4df852ce26 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: 43844537e8 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: 1687287151 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: 522502ec18 user: drh tags: btree-opt) | |
| 14:11 | Update the fuzztest data using the latest test vectors discovered by AFL. (check-in: b97f9cf73e 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: 7cdbae625e user: drh tags: trunk) | |
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2015-06-19
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| 20:31 | Performance improvements in btreeParseCell() by inlining the varint decoder. (check-in: 172a864d14 user: drh tags: trunk) | |
| 20:08 | Fix corner cases involving corrupt varint values in record headers. (Closed-Leaf check-in: 3189116b42 user: drh tags: btree-opt) | |
| 18:24 | Performance improvements in btreeParseCell() by inlining the varint decoder. (check-in: faab0ed928 user: drh tags: btree-opt) | |
| 17:19 | Add the MemPage.xParseCell method and provide various implementations (variations on the former btreeParseCellPtr()) depending on the page type. (check-in: 41d03d883c user: drh tags: trunk) | |
| 15:07 | Make cellSizePtr() a method on the MemPage object, with alternative implementations depending on the page type. This results is a small performance improvement and size reduction. (check-in: 02f7e9d7d7 user: drh tags: trunk) | |
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2015-06-18
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| 15:26 | Further #ifdef changes in speedtest1.c in order to support SQLite back to version 3.3.9 and perhaps even earlier. (check-in: 9246eca54a user: drh tags: trunk) | |
| 14:32 | Pervent the likelihood() function from moving ON clause terms of a LEFT JOIN into the WHERE clause. Fix for ticket [5f60b11fc8e23490e2] (check-in: ed96e14adc user: drh tags: trunk) | |
| 14:09 | Show the values of Expr.flag in the AST of ".selecttrace" (check-in: a84d1004cb user: drh tags: trunk) | |
| 12:37 | Add #ifdefs to some features speedtest1.c so that it compiles with older versions of SQLite, going back to version 3.5.1. (check-in: f50dd154d3 user: drh tags: trunk) | |
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2015-06-17
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| 23:28 | Performance improvement in sqlite3VdbeMemShallowCopy() for the common case where the receiver does not require prior resource deallocation. (check-in: d718ea36dc user: drh tags: trunk) | |
| 19:06 | Use 'binary' mode for popen with MSVC. (Closed-Leaf check-in: 7b84641e55 user: mistachkin tags: popenMsvc) | |
| 18:57 | Improve spacing and comment style for the shell. No changes to code. (check-in: 5b547da00d user: mistachkin tags: trunk) | |
| 18:24 | Improved comments on the fuzzcheck.c test program. No changes to code. (check-in: a7e27d1928 user: drh tags: trunk) | |
| 18:18 | Merge all recent enhancements and fixes from trunk. (check-in: 199bfb67fd user: drh tags: sessions) | |
| 17:08 | Fix a uninitialized variable use in the command-line shell when the ".open" command is invoked without any arguments. (check-in: fc4f4d1ecc user: drh tags: trunk) | |
| 13:20 | Performance optimization and comment fixes for the LIKE and GLOB operators. (check-in: c89d772628 user: drh tags: trunk) | |
| 02:11 | Make getCellInfo() a real function instead of a macro, for a size reduction and a 0.2% performance gain. (check-in: 55c393ea14 user: drh tags: trunk) | |
| 01:31 | Optimizations to two VDBE accessory routines for a 0.2% performance increase. (check-in: 66d033b9c9 user: drh tags: trunk) | |
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2015-06-16
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| 16:39 | Ensure that the CREATE TABLE AS statement correctly undoes partial changes to the sqlite_master table if the SELECT on the right-hand side aborts with an error. Fix for ticket [873cae2b6e25b] (check-in: 400e025e7c user: drh tags: trunk) | |
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2015-06-15
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| 16:40 | Adjust ICU tests to account for recent changes in the official Unicode definition of whitespace. (check-in: 0816525386 user: drh tags: trunk) | |
| 16:09 | Fix a harmless comment typo. No code changes. (check-in: ae68765218 user: drh tags: trunk) | |
| 14:43 | Fix harmless compiler warnings. (check-in: b0badb9902 user: drh tags: trunk) | |
| 12:58 | Improved detection of database corruption in freeSpace(). (check-in: 29bcb56887 user: drh tags: trunk) | |
| 10:49 | Comment typo fix. No code changes. (check-in: 17f185adb9 user: drh tags: trunk) | |
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2015-06-13
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| 19:05 | Added test cases based on Bruce Momjian's talk on SQL NULLs. (Leaf check-in: 68c168b5e5 user: drh tags: is-distinct-from) | |
| 11:48 | Add the IS DISTINCT FROM and IS NOT DISTINCT FROM operators. (check-in: 0be4478209 user: drh tags: is-distinct-from) | |
| 11:19 | Omit mutex calls in pcache1 when the mutex is NULL, for a significant performance improvement. (check-in: caf8f574e5 user: drh tags: trunk) | |
| 11:10 | Avoid unnecessary mutex usage in pcache1, for a significant speedup. (Closed-Leaf check-in: dcf4fb8d76 user: drh tags: faster-pcache1-fetch) | |
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2015-06-12
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| 13:49 | Add a fast-path implementation of pcache1Fetch() for the common case of separate caches that do not use a mutex. (check-in: 760700edb3 user: drh tags: faster-pcache1-fetch) | |
| 13:04 | Minor performance optimization in pcache1.c. (check-in: 2e8ad2ead9 user: drh tags: trunk) | |
| 12:54 | Add the OP_ColumnsUsed opcode (when compiled with SQLITE_ENABLE_COLUMN_USED_MASK) as a hint to the b-tree layer as to which columns of a btree cursor will be used. (check-in: 711a176cbf user: drh tags: trunk) | |
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2015-06-11
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| 18:01 | Merge recent trunk enhancements and fixes. (check-in: c39cb0e257 user: drh tags: sessions) | |
| 17:58 | Merge trunk fixes. (Leaf check-in: 1df8cbbea6 user: drh tags: view-optimization) | |
| 17:26 | Add the sqlite3changegroup_xxx() APIs to the sessions module. For combining multiple changesets or patchsets. (check-in: 0c1a901cd6 user: dan tags: sessions) | |
| 14:19 | Remove stray outputs from the test suite. (check-in: afc6db9b10 user: drh tags: trunk) | |
| 13:58 | When generating code for partial indexes, be sure not to modify the index condition expression in the schema. (check-in: e63d01c69c user: drh tags: trunk) | |
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2015-06-10
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| 23:02 | More test output refinements. (Closed-Leaf check-in: e64a568179 user: mistachkin tags: testerOutput) | |
| 22:51 | Remove possibly stray output from various tests. (check-in: f38e0be56f user: mistachkin tags: testerOutput) | |
| 22:03 | Fix minor typo in the quicktest MSVC makefile target. (check-in: 75b65f9d49 user: mistachkin tags: trunk) | |
| 20:00 | Merge enhancements from trunk. (check-in: 0e23a079bd user: drh tags: view-optimization) | |