CVSROOT: /cvsroot
Module name: pgsql-server
Changes by: tgl(at)svr1(dot)postgresql(dot)org 04/03/02 12:42:20
Modified files:
src/backend/optimizer/util: pathnode.c
Log message:
Teach is_distinct_query to recognize that GROUP BY forces a subquery's
output to be distinct, if all the GROUP BY columns appear in the output.
Per suggestion from Dennis Haney.