Re: Parallel Aggregate

From: James Sewell <james(dot)sewell(at)lisasoft(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Paul Ramsey <pramsey(at)cleverelephant(dot)ca>, David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Parallel Aggregate
Date: 2016-03-14 23:52:36
Message-ID: CANkGpBtSeWy8vcqgCZ0s_at1dHmir0=XFCCB+4sPmHFuON_h4g@mail.gmail.com
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On Tue, Mar 15, 2016 at 9:32 AM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:

>
> I kind of doubt this would work well, but somebody could write a patch
> for it and try it out.

OK I'll give this a go today and report back.

Would the eventual plan be to use pg_proc.procost for the functions from
each aggregate concerned? If so I might have a peek at that too, although I
imagine I won't get far.

Cheers,

--

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