granicus.if.org Git - postgresql/commit

]> granicus.if.org Git - postgresql/commit

author	Tom Lane <tgl@sss.pgh.pa.us>
	Sat, 30 Nov 2002 00:08:22 +0000 (00:08 +0000)
committer	Tom Lane <tgl@sss.pgh.pa.us>
	Sat, 30 Nov 2002 00:08:22 +0000 (00:08 +0000)
commit	ddb2d78de0172b1f3a00c8e3bf35345af9952f43
tree	75aaa2922e21b78514cd592241c1718a2e6a4ba8	tree \| snapshot
parent	f68f11928d5c791873073c882775dae10283ff49	commit \| diff

Upgrade planner and executor to allow multiple hash keys for a hash join,
instead of only one. This should speed up planning (only one hash path
to consider for a given pair of relations) as well as allow more effective
hashing, when there are multiple hashable joinclauses.

14 files changed:

Unnamed repository; edit this file 'description' to name the repository.

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src/backend/executor/nodeHash.c		diff \| blob \| history
src/backend/executor/nodeHashjoin.c		diff \| blob \| history
src/backend/nodes/copyfuncs.c		diff \| blob \| history
src/backend/nodes/outfuncs.c		diff \| blob \| history
src/backend/optimizer/path/costsize.c		diff \| blob \| history
src/backend/optimizer/path/joinpath.c		diff \| blob \| history
src/backend/optimizer/plan/createplan.c		diff \| blob \| history
src/backend/optimizer/plan/subselect.c		diff \| blob \| history
src/backend/optimizer/util/pathnode.c		diff \| blob \| history
src/include/executor/hashjoin.h		diff \| blob \| history
src/include/executor/nodeHash.h		diff \| blob \| history
src/include/nodes/execnodes.h		diff \| blob \| history
src/include/nodes/plannodes.h		diff \| blob \| history
src/include/nodes/relation.h		diff \| blob \| history