Re: Window function optimisation, allow pushdowns of items matching PARTITION BY clauses

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: David Rowley <dgrowley(at)gmail(dot)com>
Cc: Vik Fearing <vik(dot)fearing(at)dalibo(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Thomas Mayer <thomas(dot)mayer(at)student(dot)kit(dot)edu>
Subject: Re: Window function optimisation, allow pushdowns of items matching PARTITION BY clauses
Date: 2014-06-28 06:12:57
Message-ID: 50687.1403935977@sss.pgh.pa.us
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David Rowley <dgrowley(at)gmail(dot)com> writes:
> [ wfunc_pushdown_partitionby_v0.4.patch ]

I've committed this with the addition of a volatility check and some
other basically-cosmetic adjustments.

regards, tom lane

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