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

From: David Rowley <dgrowley(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
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 09:50:50
Message-ID: CAHoyFK8if_V0xy71ymoZQ4enODqBTT26XD7oZ0FxJVhEucNu6g@mail.gmail.com
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On 28 June 2014 18:12, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> 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.
>
>
Great, thank you for making the required changes.

Vik, thank you for reviewing the patch.

Regards

David Rowley

regards, tom lane
>

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