Sorry for double post, just ignore this post..
From: pgsql-general-ow...@postgresql.org
on behalf of Kim Rose Carlsen
Sent: Thursday, October 27, 2016 6:34:58 PM
To: pgsql-general@postgresql.org
Subject: [GENERAL] How to hint two columns IS NOT DISTINCT FROM
Hi
I was wondering if there is a way to hint that two columns in two different
tables IS NOT DISTINCT FROM each other. So that the optimizer may assume if
table_a.key = 'test' THEN table_b.key = 'test' .
The equals operator already does this but it does not handle NULLS very well
(or not at