Artifact e908787e4728beefdf742db90666248f89b1da01:
- File src/expr.c — part of check-in [915f6f1c7a] at 2014-02-18 01:07:38 on branch trunk — Improvements to "NOT IN (SELECT ...)" processing. Only test for NULL values on the RHS on the first iteration, then remember the result. There has been logic to do this for year, but it didn't work right and ended up repeating the NULL test on every iteration. This inefficiency was found using the VDBE coverage testing tools. (user: drh size: 146184)
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