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13 check-ins using file src/vdbeaux.c version 89c85926
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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: 08165253 user: drh tags: trunk) | |
| 16:09 | Fix a harmless comment typo. No code changes. (check-in: ae687652 user: drh tags: trunk) | |
| 14:43 | Fix harmless compiler warnings. (check-in: b0badb99 user: drh tags: trunk) | |
| 12:58 | Improved detection of database corruption in freeSpace(). (check-in: 29bcb568 user: drh tags: trunk) | |
| 10:49 | Comment typo fix. No code changes. (check-in: 17f185ad 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: 68c168b5 user: drh tags: is-distinct-from) | |
| 11:48 | Add the IS DISTINCT FROM and IS NOT DISTINCT FROM operators. (check-in: 0be44782 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: caf8f574 user: drh tags: trunk) | |
| 11:10 | Avoid unnecessary mutex usage in pcache1, for a significant speedup. (Closed-Leaf check-in: dcf4fb8d 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: 760700ed user: drh tags: faster-pcache1-fetch) | |
| 13:04 | Minor performance optimization in pcache1.c. (check-in: 2e8ad2ea 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: 711a176c user: drh tags: trunk) | |
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2015-06-05
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| 15:59 | Add a new opcode to the VDBE that gives the b-tree a hint about the set of columns in a table or index that are actually used by the query. (Closed-Leaf check-in: f167bba4 user: drh tags: column-usage-hint) | |