Ehab Galal <[EMAIL PROTECTED]> writes:
> I was wondering why do we need the Materialize node in the plan below when i
> explain a query?
It's cheaper to scan a materialized rowset many times than a raw table
--- we don't need to re-access shared memory nor re-check row visibility.
Greetings,
I was wondering why do we need the Materialize node in the plan below when i
explain a query?
1: QUERY PLAN = "Nested Loop (cost=10.99..24.34 rows=1 width=846)"(typeid
= 25, len = -1, typmod = -1, byval = f)
1: QUERY PLAN = " Join Filter: (("inner".cover)::text =
("