pgsql/src/backend/optimizer/plan (initsplan.c)

Date: Tuesday, December 12, 2000 @ 18:33:33
Author: tgl

Update of /home/projects/pgsql/cvsroot/pgsql/src/backend/optimizer/plan
from hub.org:/home/projects/pgsql/tmp/cvs-serv7711/backend/optimizer/plan

Modified Files:
initsplan.c

----------------------------- Log Message -----------------------------

Cache eval cost of qualification expressions in RestrictInfo nodes to
avoid repeated evaluations in cost_qual_eval(). This turns out to save
a useful fraction of planning time. No change to external representation
of RestrictInfo --- although that node type doesn't appear in stored
rules anyway.