Re: implementing query timeout

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Jan Wieck <JanWieck(at)Yahoo(dot)com>
Cc: Peter Eisentraut <peter_e(at)gmx(dot)net>, Ed Loehr <ed(at)LoehrTech(dot)com>, dave(at)fastcrypt(dot)com, Matthew Kennedy <mkennedy(at)opushealthcare(dot)com>, PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: implementing query timeout
Date: 2002-07-11 16:20:45
Message-ID: 200207111620.g6BGKjr24430@candle.pha.pa.us
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Jan Wieck wrote:
> Bruce Momjian wrote:
> >
> > Jan Wieck wrote:
>
> > > Statements is everything. DDL- and DML-statements. Query is IMHO synonym
> > > for DML-statement. So query_timeout is the right term.
> >
> > But the timeout is for any statement, not just SELECT/UPDATE, etc, so it
> > sounds like you are voting for 'statement'.
>
> No, I am voting for 'query'. I don't see the point in allowing a
> timeout for utility statements. Why would someone want a timeout
> on CREATE INDEX, COPY or VACUUM? Allowing that would IMHO be
> calling for more trouble than necessary.

Seems pretty arbitrary to time just DML and not DLL. I can even imagine
this for VACUUM FULL where you don't want it running for a long time.
It is under their control and they can turn it off if they don't want it
for those statements.

--
Bruce Momjian | http://candle.pha.pa.us
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