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Re: Aggregate-function space leakage

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Jeff Davis <pgsql(at)j-davis(dot)com>
Cc: pgsql-hackers(at)postgreSQL(dot)org, Chris Spotts <rfusca(at)gmail(dot)com>
Subject: Re: Aggregate-function space leakage
Date: 2009-07-22 21:35:37
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
Jeff Davis <pgsql(at)j-davis(dot)com> writes:
> On Wed, 2009-07-22 at 17:14 -0400, Tom Lane wrote:
>> One possibility is to have nodeAgg.c reset the "aggcontext" between
>> groups when in group mode.  I think this would be more than a one-liner
>> fix because it probably has pointers to transvalues that are in that
>> context, but it's surely doable.

> Is there a disadvantage to this approach, or is it just more work?

Don't know ... haven't tried to do it yet.

			regards, tom lane

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