 drh
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2e5ef4ed77
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Improve the way that skip-scan loops are constructued. Add test cases.
Improved the scoring of skip-scan loops.
FossilOrigin-Name: 5e75ab93881b85801cb4ebf70f2063ff7c51ac19
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2013-11-13 16:58:54 +00:00 |
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drh
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cd8629e4bb
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Add the ability to use an index even if the left-most columns of the index
are unconstrainted, provided that the left-most columns have few distinct
values.
FossilOrigin-Name: 27dd5993d1ae5625eb94bf406421eb390d001be9
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2013-11-13 12:27:25 +00:00 |
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drh
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5e6790cb15
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Minor enhancements to the auxiliary information added to EXPLAIN output with
SQLITE_EXPLAIN_ENABLE_COMMENTS.
FossilOrigin-Name: 0d1328e33ca761eddcf8a50e8e83c997861e9047
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2013-11-12 20:18:14 +00:00 |
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drh
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e54df42d87
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Break out the structure and macro definitions of where.c into a separate
header file whereInt.h for easier editing and debugging.
FossilOrigin-Name: c44467124623733aac64096d605f16139b733a7f
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2013-11-12 18:37:25 +00:00 |
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