Re: Removing Functionally Dependent GROUP BY Columns

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Removing Functionally Dependent GROUP BY Columns
Date: 2015-12-03 01:28:45
Message-ID: 565F9ACD.1080803@gmx.net
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On 11/30/15 11:00 PM, David Rowley wrote:
> It seems that there's no shortage of relational databases in existence
> today which don't support this. These databases would require the GROUP
> BY clause to include the p.description column too.

Well, actually, we implemented this because other databases had it and
users kept complaining to us.

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