pgsql/ oc/src/sgml/ref/create_index.sgml rc/ba ...

Started by Tom Lanealmost 25 years ago1 messagescomitters
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#1Tom Lane
tgl@sss.pgh.pa.us

CVSROOT: /home/projects/pgsql/cvsroot
Module name: pgsql
Changes by: tgl@hub.org 01/08/06 14:09:45

Modified files:
doc/src/sgml/ref: create_index.sgml
src/backend/commands: indexcmds.c
src/backend/optimizer/path: indxpath.c

Log message:
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.