Re: timeout implementation issues - Mailing list pgsql-hackers

From Hiroshi Inoue
Subject Re: timeout implementation issues
Date
Msg-id EKEJJICOHDIEMGPNIFIJMELIHGAA.Inoue@tpf.co.jp
Whole thread Raw
In response to Re: timeout implementation issues  (Bruce Momjian <pgman@candle.pha.pa.us>)
Responses Re: timeout implementation issues  (Bruce Momjian <pgman@candle.pha.pa.us>)
List pgsql-hackers
> -----Original Message-----
> From: Bruce Momjian [mailto:pgman@candle.pha.pa.us]
> 
> Hiroshi Inoue wrote:
> > > I am confused.  Above you state you want SET QUERY_TIMEOUT to be
> > > per-query. I assume you mean that the timeout applies for 
> only the next
> > > query and is turned off after that.
> > 
> > Hmm there seems a misunderstanding between you and I but I
> > don't see what it is. Does *SET QUERY_TIMEOUT* start a timer in
> > your scenario ?  In my scenario *SET QUERY_TIMEOUT* only
> > registers the timeout value for subsequent queries.
> 
> SET QUERY_TIMEOUT does not start a timer.  It makes sure each query
> after the SET is timed and automatically canceled if the single query
> exceeds the timeout interval.

OK using your example, one by one
     BEGIN WORK;    SET query_timeout=20;    query fails;    SET query_timeout=0;

For what the SET was issued ?
What command is issued if the query was successful ?
    COMMIT WORK;

regards,
Hiroshi Inoue


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