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(parent: bfe4f48) | patch

author	Tom Lane <[email protected]>
	Tue, 31 Jul 2007 19:54:01 +0000 (19:54 +0000)
committer	Tom Lane <[email protected]>
	Tue, 31 Jul 2007 19:54:01 +0000 (19:54 +0000)
commit	4e957954d6d14967db69d4e08f5fcc6d82d1f9fe
tree	090733f553d0cd2416b9dd33d9544233b20b38df	tree
parent	bfe4f481460fc7d489f0adbe3eb63f2037ddab2a	commit \| diff

Fix a bug in the original implementation of redundant-join-clause removal:
clauses in which one side or the other references both sides of the join
cannot be removed as redundant, because that expression won't have been
constrained below the join. Per report from Sergey Burladyan.

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