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Extend relation_excluded_by_constraints() to check for mutually

author Tom Lane <tgl@sss.pgh.pa.us>

Sat, 5 Aug 2006 00:22:49 +0000 (00:22 +0000)

committer Tom Lane <tgl@sss.pgh.pa.us>

Sat, 5 Aug 2006 00:22:49 +0000 (00:22 +0000)

commit 5f789c5ead32d6a6ee1a59ef66cf71b46d6d1f3f

tree a4ee84c8d9e15dec32ef877749ad1074cb020e62 tree

parent 6357f4ea721161fd7c2e7f65fa85684ed6b9770c commit | diff

Extend relation_excluded_by_constraints() to check for mutually
contradictory WHERE-clauses applied to a relation. This makes the
GUC variable constraint_exclusion rather inappropriately named,
but I've refrained for the moment from renaming it.
Per example from Martin Lesser.

src/backend/optimizer/util/plancat.c diff | blob | blame | history

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