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

From Heikki Linnakangas
Subject Re: don't allocate HashAgg hash tables when running explain only
Date
Msg-id f4e9a809-9404-0706-efd9-f4d1f212fee7@iki.fi
Whole thread Raw
In response to Re: don't allocate HashAgg hash tables when running explain only  (Michael Paquier <michael@paquier.xyz>)
List pgsql-hackers
On 20/11/2020 08:31, Michael Paquier wrote:
> 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.

That's two votes for backpatching. Ok, I'll go do it.

- Heikki



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