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(parent: 146c83c) | patch

author	Tom Lane <tgl@sss.pgh.pa.us>
	Fri, 6 Apr 2007 22:33:43 +0000 (22:33 +0000)
committer	Tom Lane <tgl@sss.pgh.pa.us>
	Fri, 6 Apr 2007 22:33:43 +0000 (22:33 +0000)
commit	f02a82b6adad1af75499c4ac7221bbd94e3c4fbf
tree	d15b0a2a52d95e046bb3945f4487982943ed211e	tree \| snapshot
parent	146c83c045625d6f0072dd96045ebbc54582be05	commit \| diff

Make 'col IS NULL' clauses be indexable conditions.

Teodor Sigaev, with some kibitzing from Tom Lane.

19 files changed:

doc/src/sgml/catalogs.sgml		diff \| blob \| history
doc/src/sgml/indexam.sgml		diff \| blob \| history
doc/src/sgml/indices.sgml		diff \| blob \| history
doc/src/sgml/ref/create_index.sgml		diff \| blob \| history
src/backend/access/common/scankey.c		diff \| blob \| history
src/backend/access/gist/gistget.c		diff \| blob \| history
src/backend/access/nbtree/nbtsearch.c		diff \| blob \| history
src/backend/access/nbtree/nbtutils.c		diff \| blob \| history
src/backend/executor/nodeIndexscan.c		diff \| blob \| history
src/backend/optimizer/path/indxpath.c		diff \| blob \| history
src/backend/optimizer/plan/createplan.c		diff \| blob \| history
src/backend/optimizer/util/plancat.c		diff \| blob \| history
src/backend/utils/adt/selfuncs.c		diff \| blob \| history
src/include/access/skey.h		diff \| blob \| history
src/include/catalog/catversion.h		diff \| blob \| history
src/include/catalog/pg_am.h		diff \| blob \| history
src/include/nodes/relation.h		diff \| blob \| history
src/test/regress/expected/create_index.out		diff \| blob \| history
src/test/regress/sql/create_index.sql		diff \| blob \| history

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