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Overview
| Comment: | Improve the performance of the ANALYZE command by taking advantage of UNIQUE constraints on indices. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 114dcf33670fd98a1ebbac0e44f66b2d |
| User & Date: | drh 2014-07-24 23:23:26 |
Context
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2014-07-25
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| 18:01 | Add constraints (enforced only when SQLITE_DEBUG is enabled) on the use of OP_Next and OP_Prev. check-in: 2230c74f user: drh tags: trunk | |
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2014-07-24
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| 23:23 | Improve the performance of the ANALYZE command by taking advantage of UNIQUE constraints on indices. check-in: 114dcf33 user: drh tags: trunk | |
| 22:41 | Fix a bug in the whereRangeSkipScanEst() procedure (added by check-in [d09ca6d5efad3e4cfa]) where it fails to consider the possibility of a ROWID column when computing the affinity of a table column. check-in: 6aea2258 user: drh tags: trunk | |
| 20:25 | Avoid trying to allocation zero bytes when analyzing a unique non-null index. Closed-Leaf check-in: 85e2bade user: drh tags: faster-analyze | |
Changes
Changes to src/analyze.c.