Re: Can I assume relation would not be invalid during from ExecutorRun to ExecutorEnd - Mailing list pgsql-hackers

From Robert Haas
Subject Re: Can I assume relation would not be invalid during from ExecutorRun to ExecutorEnd
Date
Msg-id CA+TgmoYNP=3t4+u7aDbpcTEsak8Q09MdE84yYwNePMi6vi9igw@mail.gmail.com
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In response to Re: Can I assume relation would not be invalid during from ExecutorRun to ExecutorEnd  (Andy Fan <zhihui.fan1213@gmail.com>)
Responses Re: Can I assume relation would not be invalid during from ExecutorRun to ExecutorEnd
List pgsql-hackers
On Tue, Nov 30, 2021 at 4:47 AM Andy Fan <zhihui.fan1213@gmail.com> wrote:
>> my exception should be that the relcache should not be invalidated _after the first relation open_
>> in the executor (not the beginning of executorRun)。
>
> s/exception/expectation.
>
> To be more accurate,  my expectation is for a single sql statement,  after the first time I write data into
> the relation, until the statement is completed or "aborted and RelationClose is called in ResourceOwnerRelease",
> the relcache reset should never happen.

Well .... I'm not sure why you asked the question and then argued with
the answer you got. I mean, you can certainly decide how you think it
works, but that's not how I think it works.

--
Robert Haas
EDB: http://www.enterprisedb.com



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