On Wed, 2009-04-15 at 12:34 -0400, Tom Lane wrote: > On further review, this did work in 8.3 when released. I think it got > broken here: > > http://archives.postgresql.org/pgsql-committers/2008-06/msg00336.php > > because that change is preventing the "mergedvar = constant" clause from > being seen as an equivalence, when it should be seen as one. Need to > think about a tighter fix for the bug report that prompted that change.
I've always been scared to ask this question, in case the answer is No, but: Do we have a set of regression tests for the optimizer anywhere? -- Simon Riggs www.2ndQuadrant.com PostgreSQL Training, Services and Support -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers