Re: Row pattern recognition

From: Tatsuo Ishii <ishii(at)postgresql(dot)org>
To: assam258(at)gmail(dot)com
Cc: vik(at)postgresfriends(dot)org, er(at)xs4all(dot)nl, jacob(dot)champion(at)enterprisedb(dot)com, david(dot)g(dot)johnston(at)gmail(dot)com, peter(at)eisentraut(dot)org, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Row pattern recognition
Date: 2026-02-13 11:46:50
Message-ID: 20260213.204650.823915400821412238.ishii@postgresql.org
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> Hi Henson,
>
> In my understanding RANGE/GROUPS are not allowed when RPR is defined.
> (See ISO/IEC 19075-5 section 6.10.2 "ROWS BETWEEN CURRENT ROW AND").
> So proper fix would be to error out at the parse/analyze phase if
> RANGE/GROUPS are used when RPR is defined.

Attached is a patch to disallow RANGE/GROUPS when RPR is used. On top
of your last patches.

Best regards,
--
Tatsuo Ishii
SRA OSS K.K.
English: http://www.sraoss.co.jp/index_en/
Japanese:http://www.sraoss.co.jp

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