Re: Supporting MERGE on updatable views

From: vignesh C <vignesh21(at)gmail(dot)com>
To: Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com>
Cc: jian he <jian(dot)universality(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Supporting MERGE on updatable views
Date: 2024-01-26 15:01:57
Message-ID: CALDaNm1q40Mp-nDkzJdp8154_Z+rs4hHcgumao=QymAKWRNb6g@mail.gmail.com
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On Mon, 30 Oct 2023 at 15:04, Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com> wrote:
>
> On Sun, 29 Oct 2023 at 17:17, Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com> wrote:
> >
> > On Sat, 28 Oct 2023 at 09:35, jian he <jian(dot)universality(at)gmail(dot)com> wrote:
> > >
> > > Do we need to add <<command>MERGE</command> for the following sentence?
> > >
> > We don't want to include MERGE in that sentence, because MERGE isn't
> > supported on views or tables with rules, but I guess we could add
> > another sentence after that one, to make that clear.
> >
>
> Here's an updated patch doing that, plus another couple of minor
> updates to that page.
>
> I also noticed that the code to detect rules ought to ignore disabled
> rules, so I've updated it to do so, and added a new regression test to
> cover that case.
>
> Arguably that's a pre-existing bug, so the fix could be extracted and
> applied separately, but I'm not sure that it's worth the effort.

CFBot shows that the patch does not apply anymore as in [1]:

=== Applying patches on top of PostgreSQL commit ID
55627ba2d334ce98e1f5916354c46472d414bda6 ===
=== applying patch ./support-merge-into-view-v10.patch
....
patching file src/backend/executor/nodeModifyTable.c
...
Hunk #7 FAILED at 2914.
...
1 out of 15 hunks FAILED -- saving rejects to file
src/backend/executor/nodeModifyTable.c.rej

Please post an updated version for the same.

[1] - http://cfbot.cputube.org/patch_46_4076.log

Regards,
Vignesh

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