Re: don't allocate HashAgg hash tables when running explain only - Mailing list pgsql-hackers

From Michael Paquier
Subject Re: don't allocate HashAgg hash tables when running explain only
Date
Msg-id 20201120063122.GE8506@paquier.xyz
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In response to Re: don't allocate HashAgg hash tables when running explain only  (Heikki Linnakangas <hlinnaka@iki.fi>)
Responses Re: don't allocate HashAgg hash tables when running explain only  (Heikki Linnakangas <hlinnaka@iki.fi>)
List pgsql-hackers
On Thu, Nov 19, 2020 at 08:47:51AM +0200, Heikki Linnakangas wrote:
> Yeah, I believe it's always been like that. Yeah, arguably it should be
> backpatched. I felt conservative and didn't backpatch, but feel free to do
> it if you think it should be.

+1 for a backpatch.  The difference in runtime for EXPLAIN in this case
is quite something.
--
Michael

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