Re: BUG #17889: Invalid cursor direction for a foreign scan that reached the fetch_size (MOVE BACKWARD ALL IN cX)

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От Tom Lane
Тема Re: BUG #17889: Invalid cursor direction for a foreign scan that reached the fetch_size (MOVE BACKWARD ALL IN cX)
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Msg-id 3147482.1721051728@sss.pgh.pa.us
обсуждение исходный текст
Ответ на Re: BUG #17889: Invalid cursor direction for a foreign scan that reached the fetch_size (MOVE BACKWARD ALL IN cX)  (Etsuro Fujita <etsuro.fujita@gmail.com>)
Ответы Re: BUG #17889: Invalid cursor direction for a foreign scan that reached the fetch_size (MOVE BACKWARD ALL IN cX)
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Etsuro Fujita <etsuro.fujita@gmail.com> writes:
> On Fri, Jul 5, 2024 at 9:49 PM Etsuro Fujita <etsuro.fujita@gmail.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

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