Re: Fetch zero result rows when executing a query?

From: "Stephen R(dot) van den Berg" <srb(at)cuci(dot)nl>
To: Andres Freund <andres(at)2ndquadrant(dot)com>
Cc: Shay Rojansky <roji(at)roji(dot)org>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Fetch zero result rows when executing a query?
Date: 2015-02-04 11:17:23
Message-ID: 20150204111723.GC25788@cuci.nl
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Andres Freund wrote:
>On 2015-02-03 12:26:33 +0100, Shay Rojansky wrote:
>> find a way to execute a query but without fetching any rows. The Execute
>> message has a maximum result-row count, but zero is documented to mean
>> "fetch all rows".

>Is this really a relevant optimization? If the user doesn't want

I believe he's talking about the network protocol of postgreSQL, not
about query optimisation (as you do).
--
Stephen.

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