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(parent: a760893) | patch

author	Tom Lane <tgl@sss.pgh.pa.us>
	Sun, 28 Mar 2010 22:59:34 +0000 (22:59 +0000)
committer	Tom Lane <tgl@sss.pgh.pa.us>
	Sun, 28 Mar 2010 22:59:34 +0000 (22:59 +0000)
commit	b78f6264eba33e2966447572b8261e353df01e59
tree	1b5cfa84c32c6683851d335cfa9cd7dab54ecee5	tree
parent	a760893dbda9934e287789d54bbd3c4ca3914ce0	commit \| diff

Rework join-removal logic as per recent discussion. In particular this
fixes things so that it works for cases where nested removals are possible.
The overhead of the optimization should be significantly less, as well.

17 files changed:

src/backend/nodes/outfuncs.c		diff \| blob \| blame \| history
src/backend/optimizer/README		diff \| blob \| blame \| history
src/backend/optimizer/path/allpaths.c		diff \| blob \| blame \| history
src/backend/optimizer/path/joinpath.c		diff \| blob \| blame \| history
src/backend/optimizer/plan/Makefile		diff \| blob \| blame \| history
src/backend/optimizer/plan/analyzejoins.c	[new file with mode: 0644]	blob
src/backend/optimizer/plan/createplan.c		diff \| blob \| blame \| history
src/backend/optimizer/plan/planmain.c		diff \| blob \| blame \| history
src/backend/optimizer/util/pathnode.c		diff \| blob \| blame \| history
src/backend/optimizer/util/placeholder.c		diff \| blob \| blame \| history
src/include/nodes/nodes.h		diff \| blob \| blame \| history
src/include/nodes/relation.h		diff \| blob \| blame \| history
src/include/optimizer/pathnode.h		diff \| blob \| blame \| history
src/include/optimizer/placeholder.h		diff \| blob \| blame \| history
src/include/optimizer/planmain.h		diff \| blob \| blame \| history
src/test/regress/expected/join.out		diff \| blob \| blame \| history
src/test/regress/sql/join.sql		diff \| blob \| blame \| history

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