From: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
---|---|
To: | Xing GUO <higuoxing(at)gmail(dot)com> |
Cc: | Michael Paquier <michael(at)paquier(dot)xyz>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: try_relation_open and relation_open behave different. |
Date: | 2021-10-18 13:44:24 |
Message-ID: | 202110181344.565nglsi6til@alvherre.pgsql |
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Lists: | pgsql-hackers |
On 2021-Oct-18, Xing GUO wrote:
> However, I can open an "uncommitted" relation using relation_open() and
> cannot open it using try_relation_open().
> Since Postgres doesn't write the "uncommitted" relation descriptor to
> SysCache and try_relation_open() checks if the
> relation exists in SysCache while relation_open() doesn't check it.
Hmm, is it sufficient to do CommandCounterIncrement() after your
"uncommitted" relation change and the place where you do
try_relation_open()?
--
Álvaro Herrera Valdivia, Chile — https://www.EnterpriseDB.com/
"Linux transformó mi computadora, de una `máquina para hacer cosas',
en un aparato realmente entretenido, sobre el cual cada día aprendo
algo nuevo" (Jaime Salinas)
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