Re: Leftover TEMPORARY tables?

From: Andrew Biagioni <andrew(dot)biagioni(at)e-greek(dot)net>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: Leftover TEMPORARY tables?
Date: 2003-04-24 16:15:41
Message-ID: 3W312VJEONMLEDVQP0HFYUF0GCMK.3ea80dad@Laptop
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4/24/03 9:28:49 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

>Andrew Biagioni <andrew(dot)biagioni(at)e-greek(dot)net> writes:
>> My best estimate as to when they appear is when I abort a transaction in
>> PGAdminII by killing the corresponding process on the server ("kill -9
XXXX"),
>
>Yikes. You're not serious are you?

Sorry, forget the " -9 " bit. I only use that when I need to shut down
PostgreSQL and some process is not releasing at that time.

>That would certainly cause the backend to fail to clean up its temp
>tables... not to mention that the postmaster will treat this as a
>system crash and force all the other backends to punt too. Not the way
>I'd pick to cancel a misbehaving query.

With my "kill [procnum]" I don't seem to have any negative side effects, except
apparently for the temp tables (I _think_). Does that seem reasonable?

>Try something less invasive next time, like kill -INT.
>
> regards, tom lane

Thanks,

Andrew

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