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help / color / mirror / Atom feedFrom: Pavel Borisov <[email protected]>
To: Dmitry Dolgov <[email protected]>
Cc: Tomas Vondra <[email protected]>
Cc: Teodor Sigaev <[email protected]>
Cc: Gavin Flower <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: Michael Paquier <[email protected]>
Cc: PostgreSQL Developers <[email protected]>
Subject: Re: POC: GROUP BY optimization
Date: Thu, 29 Oct 2020 19:14:50 +0400
Message-ID: <CALT9ZEEqnS+tObVjLWZrUme-PZQ-O0krpFCfQhwG-4ziSeSrBQ@mail.gmail.com> (raw)
In-Reply-To: <20201029145025.tn3tekboot37nkbf@localhost>
References: <CA+q6zcVRrd-z4YZ4M43ccst7aGL9==w5r1fionRWhP9ot6mybQ@mail.gmail.com>
<20190503215510.bcr5ycszntqg65tw@development>
<CA+q6zcVjCVkAhoLD6rjDoPGdfWDjQLD=N2tvfH1yU+Eq+iby9w@mail.gmail.com>
<20190524225725.embuha33qvc5avz3@development>
<20200514235220.xewrrwjvatxzn3g6@development>
<CALT9ZEFU60nW9TJqHUs9Ex_tqv__7t=jfF4Q=iwwxJTO0PY7Rg@mail.gmail.com>
<20201026085721.g6h5xljxvodnmk34@localhost>
<CALT9ZEF8FUZoijXnFsDXNgqbSHFzaCU2q0cmJFnZ4z2wNZO98w@mail.gmail.com>
<20201026104040.6bigvej6f55vjvgp@localhost>
<20201027201509.jfv6sfhrmxhdwlvk@development>
<20201029145025.tn3tekboot37nkbf@localhost>
>
> In case if I'm missing something and Pavel's proposal is significantly
> different from the original patch (if I understand correctly, at the
> moment the latest patch posted here is a rebase and adjusting the old
> patch to work with the latest changes in master, right?), then indeed
> they could be merged, but please in the newer thread [1].
>
Sure, my patch has the only difference from the previous Theodor's code
for compatibility with v.13, though it is not small, and I appreciate the
changes in paths processing. The only thing that caused my notice, is that
some useful changes which I've mentioned before, are discarded now. But as
long as they are planned to be put in later it is completely fine. I agree
to discuss the thing in any thread, though I don't quite understand the
reason for a switch.
Still I don't see a problem.
--
Best regards,
Pavel Borisov
Postgres Professional: http://postgrespro.com <http://www.postgrespro.com;
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Subject: Re: POC: GROUP BY optimization
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