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Parents and children of check-in [c11e55fa]

2014-08-01
21:00
Improved detection and handling of NULL values on the RHS of a IN operator. check-in: 468e7300 user: drh tags: trunk
18:00
Remove an unnecessary OP_Null in the IN-operator logic. Attempt to clarify comments explaining the IN-operator code, though it is not clear that the comments are correct even yet - more work to be done. check-in: c11e55fa user: drh tags: trunk
15:51
Clean up the IN operator code generation logic to make it easier to reason about. In the process, improve code generation to omit some unused OP_Null operations. check-in: 7c6fbcfe user: drh tags: trunk