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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Herwig Goemans <herwig.goemans@gmail.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: why is PG NOT pushing where clause to VIEW ? Resulting in bad performance.
Date: Tue, 07 Feb 2017 11:37:33 -0500
Message-ID: <16847.1486485453@sss.pgh.pa.us> (raw)
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Herwig Goemans <herwig.goemans@gmail.com> writes:
> I am wondering why a certain query is NOT pushing the where clause to the
> view. See query and explain plan:

There's no provision for transitively applying IN clauses to other
variables.  I'm not entirely sure whether it would be a good idea,
but in any case, it's not there and not planned.

			regards, tom lane


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