Re: Fix for FETCH FIRST syntax problems

From: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
To: Peter Geoghegan <pg(at)bowt(dot)ie>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Vik Fearing <vik(dot)fearing(at)2ndquadrant(dot)com>, Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Fix for FETCH FIRST syntax problems
Date: 2018-05-20 20:38:18
Message-ID: CAKFQuwbBOmFiEp4npbQPDN9-Qc6Czoi04=H96YnUmLLBD-9VFQ@mail.gmail.com
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On Sun, May 20, 2018 at 1:13 PM, Peter Geoghegan <pg(at)bowt(dot)ie> wrote:

> There have been
> cases where we chose to not back-patch an unambiguous bug fix even
> though it was clear that incorrect user-visible behavior remained.
>

​The risk here is significantly reduced since the existing user-visible
behavior is an error which presumably no one is relying upon. Between that
and being able to conform to the standard syntax for a long-standing
feature I would say the benefit outweighs the cost and risk.

+0.5 to back-patching

David J.

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