Does the planner automatically add limit 1 to exists sub-selects? In
other words, take an update like:
update foo
set itexists = exists
(select 1 from bar where bar.something = foo.something);
If the sub-select returns a large result set, will there be any benefit
to adding limit 1 to the
Steve Crawford [EMAIL PROTECTED] writes:
If the sub-select returns a large result set, will there be any benefit
to adding limit 1 to the sub-select or does the query planner
automatically deduce that limit 1 is the correct interpretation?
It does, although poking at it I notice a bit of a
