Karl, > PERFORM 1 FROM foo; > IF FOUND THEN ... > > is any slower than: > > PERFORM 1 FROM foo LIMIT 1; > IF FOUND THEN ...
I'm wondering in what context it makes sense to call PERFORM on a constant.
--
Josh Berkus
Aglio Database Solutions
San Francisco
---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
