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21 check-ins using file src/expr.c version 1a295d8b0a
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2013-11-20
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| 00:59 | Performance improvement for the OP_MustBeInt opcode in the VDBE. (check-in: 96a65388e7 user: drh tags: trunk) | |
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2013-11-19
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| 18:17 | Fix a harmless MSVC compiler warning. (check-in: 6cc023bb29 user: drh tags: trunk) | |
| 13:55 | Minor performance improvement to sqlite3SerialTypeGet(). (check-in: 17e8524fc0 user: drh tags: trunk) | |
| 12:33 | Change Noop-comments in where.c into Module-comments, so that they are omitting without SQLITE_ENABLE_MODULE_COMMENTS. (check-in: 3e577f4018 user: drh tags: trunk) | |
| 02:34 | Avoid seeking on the main data table during the first loop of an UPDATE if an index is sufficient to check the WHERE clause. (check-in: 57158d9daf user: drh tags: trunk) | |
| 00:31 | Fix an requirement mark in a test script so that it matches the typo-corrected requirement. No changes to code. (check-in: 072412d5e3 user: drh tags: trunk) | |
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2013-11-18
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| 19:32 | Add comments identifing where the skip-scan option is decided in the query planner, to aid in tuning that decision. No changes to code. (check-in: e9df04cec4 user: drh tags: trunk) | |
| 18:48 | Fix documentation typos. No changes to code. (check-in: 7caeb09c52 user: drh tags: trunk) | |
| 11:20 | Fix harmless compiler warnings from clang scan-build. (check-in: 8d002740bf user: drh tags: trunk) | |
| 08:41 | Fix a problem with the shell tool EXPLAIN indentation code and VDBE sub-programs. (check-in: 9c8d685625 user: dan tags: trunk) | |
| 03:11 | Enable the ONEPASS optimization for DELETE, for both rowid and WITHOUT ROWID tables. (check-in: 44a07afdd9 user: drh tags: trunk) | |
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2013-11-17
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| 02:42 | Make sure one-pass DELETE for WITHOUT ROWID tables correctly positions the PRIMARY KEY cursor. Make the same fix for UPDATE. (Closed-Leaf check-in: 6bd5750b7d user: drh tags: optimize-delete) | |
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2013-11-16
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| 23:16 | Fix a couple of minor problems with the new delete logic. (check-in: a11243f840 user: drh tags: optimize-delete) | |
| 23:03 | Fix an OOM-recovery problem in the DELETE code generator. (check-in: dc7be158b8 user: drh tags: optimize-delete) | |
| 22:48 | Combine the rowid and WITHOUT ROWID paths for DELETE into a single path. (check-in: c4734b881a user: drh tags: optimize-delete) | |
| 20:45 | The one-pass optimization is now working for DELETE on WITHOUT ROWID tables. (check-in: e4d220a381 user: drh tags: optimize-delete) | |
| 20:13 | Enhance the DELETE logic so that it can make use of WHERE_ONEPASS_DESIRED for rowid tables. (check-in: 8f479a7275 user: drh tags: optimize-delete) | |
| 15:35 | Fully constraint the ORDER BY on the top-10 line of the --summary output from the wordcount test program. Add the run-wordcount.bash script for running wordcount in various configurations. (check-in: 7edf39eb93 user: drh tags: trunk) | |
| 14:03 | Avoid unnecessary OP_IfNull checks when doing a range query where there is a constraint on the lower bound of the range. (check-in: de08a7e7ab user: drh tags: trunk) | |
| 13:55 | Simplification and performance improvement to the logic that factors constant expressions ouf of inner loops. (check-in: ee9353fdf3 user: drh tags: trunk) | |
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2013-11-15
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| 20:06 | Add ALWAYS and NEVER macros to currently unreachable but important branches in sqlite3ExprCompare(). (Closed-Leaf check-in: cee835fe90 user: drh tags: expr-codegen-enhancement) | |