Thread: pgsql: Be a little smarter about qual handling for semi-joins: a qual

pgsql: Be a little smarter about qual handling for semi-joins: a qual

From

tgl@postgresql.org (Tom Lane)

Date:

25 October 2008, 19:51:37

Log Message:
-----------
Be a little smarter about qual handling for semi-joins: a qual that mentions
only the outer side can be pushed down rather than having to be evaluated
at the join.

Modified Files:
--------------
    pgsql/src/backend/optimizer/plan:
        initsplan.c (r1.143 -> r1.144)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/plan/initsplan.c?r1=1.143&r2=1.144)