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From: Bruce Momjian <[email protected]>
To: [email protected] <[email protected]>
Cc: PostgreSQL-development <[email protected]>
Cc: Finnerty, Jim <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: Tomas Vondra <[email protected]>
Cc: Julien Rouhaud <[email protected]>
Cc: Daniel Gustafsson <[email protected]>
Cc: Alexander Pyhalov <[email protected]>
Subject: Re: Partial aggregates pushdown
Date: Thu, 26 Oct 2023 23:06:17 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <TYTPR01MB10954B4C9A791FA9D2BF692F095DCA@TYTPR01MB10954.jpnprd01.prod.outlook.com>
References: <OS3PR01MB6660E61EB659850022B9607195C1A@OS3PR01MB6660.jpnprd01.prod.outlook.com>
	<[email protected]>
	<OS3PR01MB66601F4809974F6A8275131195C1A@OS3PR01MB6660.jpnprd01.prod.outlook.com>
	<TY3PR01MB10956C71BF25436F242C9829795D5A@TY3PR01MB10956.jpnprd01.prod.outlook.com>
	<[email protected]>
	<TYTPR01MB1095486F5E3103D783AF4748995DFA@TYTPR01MB10954.jpnprd01.prod.outlook.com>
	<[email protected]>
	<TYTPR01MB10954D890D8F729E1BCE42D4F95DDA@TYTPR01MB10954.jpnprd01.prod.outlook.com>
	<[email protected]>
	<TYTPR01MB10954B4C9A791FA9D2BF692F095DCA@TYTPR01MB10954.jpnprd01.prod.outlook.com>

On Fri, Oct 27, 2023 at 02:44:42AM +0000, [email protected] wrote:
> Hi Momjian.
> 
> Thank you for your improvement.
> As a matter of detail, I think that the areas marked below are erroneous.
> 
> --
> +   Pushdown causes aggregate function cals to send partial aggregate
>                                          ^
> +   function calls to the remote server. If the partial aggregate
> +   function doesn't doesn't exist on the remote server, it causes
>                      ^^^^^^^
> --

Agreed.  Do you want to fix that on your vesion?  I don't have any more
improvements to make.

> > What else needs to be done before committers start to review
> > this?
> There are no others. May I make a new version of v31 with your
> suggested improvements for the committer's review?

Yes, please.  I think the updated docs will help people understand how
the patch works.

-- 
  Bruce Momjian  <[email protected]>        https://momjian.us
  EDB                                      https://enterprisedb.com

  Only you can decide what is important to you.






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