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Modify partial-index-predicate applicability tester to test whether

author Tom Lane <tgl@sss.pgh.pa.us>

Mon, 6 Aug 2001 18:09:45 +0000 (18:09 +0000)

committer Tom Lane <tgl@sss.pgh.pa.us>

Mon, 6 Aug 2001 18:09:45 +0000 (18:09 +0000)

commit 246793469e0bee5957976994983b5b572221a367

tree 8119a8e6e0b67dd52969e34c1068e534cb889d5d tree

parent 7d6fbe15a2597b6f1b46e9f067c4649645e5e516 commit | diff

Modify partial-index-predicate applicability tester to test whether
clauses are equal(), before trying to match them up using btree opclass
inference rules. This allows it to recognize many simple cases involving
non-btree operations, for example 'x IS NULL'. Clean up code a little.

doc/src/sgml/ref/create_index.sgml diff | blob | blame | history

src/backend/commands/indexcmds.c diff | blob | blame | history

src/backend/optimizer/path/indxpath.c diff | blob | blame | history

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