Re: Add RESPECT/IGNORE NULLS and FROM FIRST/LAST options

From: Tatsuo Ishii <ishii(at)postgresql(dot)org>
To: krasiyan(at)gmail(dot)com, ojford(at)gmail(dot)com, tgl(at)sss(dot)pgh(dot)pa(dot)us, vik(at)postgresfriends(dot)org, andrew(at)tao11(dot)riddles(dot)org(dot)uk, david(at)fetter(dot)org
Cc: pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: Add RESPECT/IGNORE NULLS and FROM FIRST/LAST options
Date: 2025-08-16 09:33:29
Message-ID: 20250816.183329.1067490243501362986.ishii@postgresql.org
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Attached are the v18 patches for adding RESPECT/IGNORE NULLS options
to some window functions. Recent changes to doc/src/sgml/func.sgml
required v17 to be rebased. Other than that, nothing has been changed.

Oliver, do you have any comments on the patches?

> Attached are the v17 patches for adding RESPECT/IGNORE NULLS options
> defined in the standard to some window functions. FROM FIRST/LAST
> options are not considered in the patch (yet).
>
> This time I split the patch into 6
> patches for reviewer's convenience. Also each patch has a short commit
> message to explain the patch.
>
> 0001: parse and analysis
> 0002: rewriter
> 0003: planner
> 0004: executor
> 0005: documents
> 0006: tests

Best 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
v18-0001-Modify-parse-analysis-modules-to-accept-RESPECT-.patch application/octet-stream 8.3 KB
v18-0002-Modify-get_windowfunc_expr_helper-to-handle-IGNO.patch application/octet-stream 977 bytes
v18-0003-Modify-eval_const_expressions_mutator-to-handle-.patch application/octet-stream 853 bytes
v18-0004-Modify-executor-and-window-functions-to-handle-I.patch application/octet-stream 22.0 KB
v18-0005-Modify-documents-to-add-null-treatment-clause.patch application/octet-stream 4.9 KB
v18-0006-Modify-window-function-regression-tests-to-test-.patch application/octet-stream 18.4 KB

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