Re: timeout implementation issues - Mailing list pgsql-hackers

From Hiroshi Inoue
Subject Re: timeout implementation issues
Date
Msg-id 3CABBEF5.BC06B4CF@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
Bruce Momjian wrote:
> 
> > > > The current plan seems to be to make changes in the backend and the JDBC
> > > > interface, the bulk of the implementation being in the backend.
> > >
> > > Yes, ODBC and JDBC need this, and I am sure psql folks will use it too,
> > > not counting libpq and all the others.
> >
> > I wasn't able to follow this thread sorry.
> > ODBC has QUERY_TIMEOUT and CONNECTION_TIMEOUT.
> >
> > > We just need a way to specify statement-level SET options inside a
> > > transaction where the statement may fail and ignore the SET command that
> > > resets the timeout.  We don't have any mechanism to reset the timeout
> > > parameter at the end of a transaction automatically,
> >
> > Why should the timeout be reset automatically ?
> 
> It doesn't need to be reset automatically, but the problem is that if
> you are doing a timeout for single statement in a transaction, and that
> statement aborts the transaction, the SET command after it to reset the
> timeout fails.

As for ODBC, there's no state that *abort* but still inside
a transaction currently.

regards,
Hiroshi Inoue


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