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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Etsuro Fujita <etsuro.fujita@gmail.com>
cc: eric.cyr@gmail.com, pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #17889: Invalid cursor direction for a foreign scan that
 reached the fetch_size (MOVE BACKWARD ALL IN cX)
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Comments: In-reply-to Etsuro Fujita <etsuro.fujita@gmail.com>
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Etsuro Fujita <etsuro.fujita@gmail.com> writes:
> On Fri, Jul 5, 2024 at 9:49=E2=80=AFPM Etsuro Fujita <etsuro.fujita@gmai=
l.com> wrote:
>> To fix, how about instead modifying postgres_fdw so that if the remote
>> server is v15 or later, it just recreates a cursor when rewinding it
>> is needed, like the attached?

Uh ... does this ensure that the data hasn't changed?

			regards, tom lane