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13 check-ins tagged with "sorter-opt"
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2016-11-11
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| 18:45 | Merge trunk with this branch. (Closed-Leaf check-in: dd62d2de user: dan tags: sorter-opt) | |
| 18:08 | Reenable the SQLITE_EXPR_REF optimization for "SELECT DISTINCT ... ORDER BY" queries. (check-in: 6e2e9d38 user: dan tags: sorter-opt) | |
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2016-11-10
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| 20:14 | Avoid storing redundant fields in sorter records when the sort-key and data have fields in common (as in "SELECT a FROM t1 ORDER BY 1"). (check-in: 0af62fdb user: dan tags: sorter-opt) | |
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2015-04-11
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| 18:45 | Merge latest trunk changes with this branch. (Closed-Leaf check-in: cf7590f6 user: dan tags: sorter-opt) | |
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2015-04-10
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| 08:20 | Update this branch with latest trunk changes. (check-in: 60be9c1c user: dan tags: sorter-opt) | |
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2015-04-02
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| 09:06 | Fix a problem in vdbesort.c to do with caching unpacked records. (check-in: 80a00539 user: dan tags: sorter-opt) | |
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2015-04-01
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| 18:22 | Merge latest trunk changes with this branch. (check-in: 4621b2ee user: dan tags: sorter-opt) | |
| 18:20 | When vacuuming an index that uses no collations other than BINARY, assume that the order of index entries will not be changed by the VACUUM. (check-in: e403460b user: dan tags: sorter-opt) | |
| 16:18 | Reduce the CPU used by CREATE INDEX statements by taking better advantage of the fact that keys are inserted in sorted order. (check-in: 592cdc5d user: dan tags: sorter-opt) | |
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2015-03-30
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| 12:06 | Improve performance of multi-field sorts where the first field has a low cardinality. (check-in: 601e7b6b user: dan tags: sorter-opt) | |
| 09:58 | Remove some unnecessary code from vdbesort.c. (check-in: b58191e9 user: dan tags: sorter-opt) | |
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2015-03-28
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| 19:56 | Further optimizations for sorting records that begin with integer or text values. (check-in: 24fe9f25 user: dan tags: sorter-opt) | |
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2015-03-26
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| 11:55 | Optimize cases where all the sorter is sorting a set of records that all begin with integer values, or that all begin with text values to be compared using BINARY. (check-in: ce5ad17c user: dan tags: sorter-opt) | |