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SQLite training in Houston TX on 2019-11-05 (details)
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Overview
Comment:Factor an invariant out the loop termination condition for the ORDER BY satisfied-by-index analyzer routine.
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SHA1: 545bb33688663066cf3f09e4cdc4d5cfe59fb8db
User & Date: drh 2012-10-02 01:46:48
Context
2012-10-02
14:11
Only continue an ORDER BY optimization into inner loops if the equality constraints on the inner loop match terms of an outer ordered index that are actually used by the ORDER BY clause. check-in: b0e7b4df user: drh tags: trunk
01:46
Factor an invariant out the loop termination condition for the ORDER BY satisfied-by-index analyzer routine. check-in: 545bb336 user: drh tags: trunk
01:25
Make sure the outer loop cursor numbers are recorded in time for them to be used by the ORDER BY optimizer. check-in: 351dc8d9 user: drh tags: trunk
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Changes to src/where.c.