Heikki Linnakangas <[EMAIL PROTECTED]> writes: > The patch also adds support for candidate matches. An index scan can > indicate that the tuples it's returning are candidates, and the executor > will recheck the original scan quals of any candidate matches when the > tuple is fetched from heap.
This will not work, unless we change the planner --- the original quals aren't necessarily there in some corner cases (partial indexes, if memory serves). > The motivation for adding the support for candidate matches is that GIT > / clustered indexes need it. You need more than a vague reference to an unapplied patch to convince me we ought to do this. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 7: You can help support the PostgreSQL project by donating at http://www.postgresql.org/about/donate