Re: allow partial union-all and improve parallel subquery costing

From: David Steele <david(at)pgmasters(dot)net>
To: Luc Vlaming <luc(at)swarm64(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: allow partial union-all and improve parallel subquery costing
Date: 2021-03-15 13:09:16
Message-ID: f847fdd4-7f58-bd03-ec5e-d18730db52e6@pgmasters.net
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Hi Luc,

On 12/30/20 8:54 AM, Luc Vlaming wrote:
>>
>> Created a commitfest entry assuming this is the right thing to do so
>> that someone can potentially pick it up during the commitfest.
>
> Providing an updated patch based on latest master.

Looks like you need another rebase:
http://cfbot.cputube.org/patch_32_2787.log. Marked as Waiting for Author.

You may also want to give a more detailed description of what you have
done here and why it improves execution plans. This may help draw some
reviewers.

Regards,
--
-David
david(at)pgmasters(dot)net

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