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author	Tom Lane <tgl@sss.pgh.pa.us>
	Tue, 31 Jul 2007 19:54:01 +0000 (19:54 +0000)
committer	Tom Lane <tgl@sss.pgh.pa.us>
	Tue, 31 Jul 2007 19:54:01 +0000 (19:54 +0000)
commit	2756cf4ec960fbb16ad25640372c67c46fa32ab4
tree	b3d36977446e1017a66572759c8e8b85a4ca7945	tree
parent	297d0303ea569163bc5f30169387cd77ab32e929	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.

Bernd Helmle's repository

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src/backend/optimizer/path/indxpath.c		diff \| blob \| blame \| history
src/backend/optimizer/plan/createplan.c		diff \| blob \| blame \| history
src/backend/optimizer/util/relnode.c		diff \| blob \| blame \| history
src/backend/optimizer/util/restrictinfo.c		diff \| blob \| blame \| history
src/include/optimizer/restrictinfo.h		diff \| blob \| blame \| history
src/test/regress/expected/join.out		diff \| blob \| blame \| history
src/test/regress/expected/join_1.out		diff \| blob \| blame \| history
src/test/regress/sql/join.sql		diff \| blob \| blame \| history