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From: Dmitriy Kuzmin <[email protected]>
To: David G. Johnston <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: BUG #19437: temp_tablespaces doesn't work inside a cursor?
Date: Mon, 6 Apr 2026 11:16:19 +1000
Message-ID: <CAHLDt=-HP4V8rfxEWE6-xC93YTN2X=KNeyYZsygVqnb-adRe6g@mail.gmail.com> (raw)
In-Reply-To: <CAKFQuwbtK=HfDsUo7p7zqFUb-h=ZqUS93K4+9nbOPW+bKnQuaA@mail.gmail.com>
References: <[email protected]>
	<[email protected]>
	<CAKFQuwbtK=HfDsUo7p7zqFUb-h=ZqUS93K4+9nbOPW+bKnQuaA@mail.gmail.com>

Hello!

Any news on these issues?
Let me know if the provided information isn't enough to reproduce them

Best regards, Dmitry Kuzmin

ср, 25 мар. 2026 г. в 23:52, David G. Johnston <[email protected]>:

> On Wednesday, March 25, 2026, Tom Lane <[email protected]> wrote:
>
>> PG Bug reporting form <[email protected]> writes:
>> > I'm seeing strange behavior in Postgres when changing the
>> temp_tablespaces
>> > parameter and suspect a bug. At least, I haven't found a description of
>> this
>> > behavior in the documentation.
>>
>> I think you are imagining that pg_reload_conf() is a synchronous
>> operation.
>
>
> The use of sleep does indicate awareness of the async nature of this.
>
>>
>> > Ensure that temporary files are created in it:
>>
> > \o /dev/null
>>
>> What does "\o /dev/null" have to do with this?  That's a
>> psql-side operation.
>>
>
> The comment applies to all three lines in the following block, not just
> the first line.
>
> There is something odd here.  Look at the log entry at 12:04:08.016; it
> uses base/ while the surrounding ones use pg_tblspace/ and the setting
> itself hasn’t changed during the sequence.
>
> I haven’t tried to validate the cursor claim yet but; this definitely
> isn’t the easiest format to consume and I can’t do much on my own presently.
>
> David J.
>
>

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