CVSROOT: /home/projects/pgsql/cvsroot
Module name: pgsql
Changes by: tgl@hub.org 01/07/31 13:56:31
Modified files:
src/backend/optimizer/path: allpaths.c
src/backend/optimizer/util: clauses.c
src/backend/utils/adt: ruleutils.c
src/include/optimizer: clauses.h
Log message:
Fix optimizer to not try to push WHERE clauses down into a sub-SELECT that
has a DISTINCT ON clause, per bug report from Anthony Wood. While at it,
improve the DISTINCT-ON-clause recognizer routine to not be fooled by out-
of-order DISTINCT lists.
