At file:///home/tsk/mprog/src/mysql-6.0-mwl68/ ------------------------------------------------------------ revno: 3770 revision-id: timour@askmonty.org-20100212143343-l0pjascssuqedfk6 parent: timour@askmonty.org-20100201120948-mdt7gtwcz50q1dzp committer: timour@askmonty.org branch nick: mysql-6.0-mwl68 timestamp: Fri 2010-02-12 16:33:43 +0200 message: MWL#68 Subquery optimization: Efficient NOT IN execution with NULLs This patch implements working partial matching for materialized subqueries. The code passes the full regression test, except differences in EXPLAIN. There are no other known test failures. Diff too large for email (1593 lines, the limit is 1000).