Re: Row pattern recognition

From: Tatsuo Ishii <ishii(at)postgresql(dot)org>
To: pgsql-hackers(at)postgresql(dot)org
Cc: assam258(at)gmail(dot)com, jian(dot)universality(at)gmail(dot)com, zsolt(dot)parragi(at)percona(dot)com, sjjang112233(at)gmail(dot)com, 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, li(dot)evan(dot)chao(at)gmail(dot)com
Subject: Re: Row pattern recognition
Date: 2026-06-19 11:39:01
Message-ID: 20260619.203901.1981089207355838490.ishii@postgresql.org
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Hi,

Attached is the v49 RPR patches. Just rebased. Except that, nothing
has been changed since v48.

> I have created v48 RPR (Row pattern recognition) patches based on the
> attached incremental patches against v47 patches. I have briefly
> looked through all the incremental patches. If I have missed
> something, I will follow up later. The patches are based on the
> commit 3e3d7875e95 on the master branch.
>
> The series of patches are to implement the row pattern recognition
> (SQL/RPR) feature. Currently the implementation is a subset of SQL/RPR
> (ISO/IEC 19075-2:2016). Namely, implementation of some features of
> R020 (WINDOW clause). R010 (MATCH_RECOGNIZE) is out of the scope of
> the patches.

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

Attachment Content-Type Size
v49-0001-Row-pattern-recognition-patch-for-raw-parser-v49.patch application/octet-stream 37.9 KB
v49-0002-Row-pattern-recognition-patch-parse-analysis.patch application/octet-stream 50.0 KB
v49-0003-Row-pattern-recognition-patch-rewriter.patch application/octet-stream 8.2 KB
v49-0004-Row-pattern-recognition-patch-planner.patch application/octet-stream 103.2 KB
v49-0005-Row-pattern-recognition-patch-executor-and-comma.patch application/octet-stream 169.4 KB
v49-0006-Row-pattern-recognition-patch-docs.patch application/octet-stream 87.9 KB
v49-0007-Row-pattern-recognition-patch-tests-SQL-data.patch application/octet-stream 545.2 KB
v49-0008-Row-pattern-recognition-patch-tests-expected.patch application/octet-stream 834.2 KB
v49-0009-Row-pattern-recognition-patch-typedefs.list.patch application/octet-stream 1.7 KB

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