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From: Amit Langote <[email protected]>
To: Etsuro Fujita <[email protected]>
Cc: Matheus Alcantara <[email protected]>
Cc: Ayush Tiwari <[email protected]>
Cc: Rafia Sabih <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: Amit Langote <[email protected]>
Subject: Re: BUG #19484: Segmentation fault triggered by FDW
Date: Thu, 18 Jun 2026 18:15:44 +0900
Message-ID: <CA+HiwqHO0Bbi6cyk4F+UGvZEV3NEo7o0YT3-Js7K7hvasoWBVw@mail.gmail.com> (raw)
In-Reply-To: <CA+HiwqEVwEPSE4yMvuwVT5bb+ziMHLfqd_HuiQPAFAixNHbhrQ@mail.gmail.com>
References: <[email protected]>
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	<CA+HiwqEVwEPSE4yMvuwVT5bb+ziMHLfqd_HuiQPAFAixNHbhrQ@mail.gmail.com>

Fujita-san,

On Thu, Jun 11, 2026 at 7:44 PM Amit Langote <[email protected]> wrote:
>
> Hi Fujita-san,
>
> On Thu, Jun 11, 2026 at 7:41 PM Etsuro Fujita <[email protected]> wrote:
> >
> > Amit-san,
> >
> > On Wed, Jun 10, 2026 at 10:27 PM Amit Langote <[email protected]> wrote:
> > > Before committing it, I'd like to wait briefly to see if Fujita-san
> > > has any thoughts on the FDW-side concerns, since he has already chimed
> > > in on the thread.
> >
> > I'll review the patch as early as I can next week, but if you want to
> > commit it quickly, please go ahead.
>
> No problem; I'll hold off.

A small clarification on this one: the patch makes no changes to
postgres_fdw code, only adds a regression test. The bug, which I
introduced, is in how nodeModifyTable.c supplies fdw_private from the
pruned/validated fdwPrivLists in ModifyTableState rather than the
original list in ModifyTable, so the postgres_fdw side itself is
unchanged. The substantive change is the executor re-indexing.

Still holding off on committing per our exchange, but no rush given
you may want to prioritize the v19 open items. Happy to go ahead
whenever, or wait for your comments.

-- 
Thanks, Amit Langote






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  Subject: Re: BUG #19484: Segmentation fault triggered by FDW
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