Re: timeout implementation issues
Bruce Momjian <pgman@candle.pha.pa.us>
From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Hiroshi Inoue <Inoue@tpf.co.jp>
Cc: Jessica Perry Hekman <jphekman@dynamicdiagrams.com>, Barry Lind <barry@xythos.com>, Tom Lane <tgl@sss.pgh.pa.us>, Jan Wieck <janwieck@yahoo.com>, pgsql-hackers@postgresql.org
Date: 2002-04-04T02:21:53Z
Lists: pgsql-hackers
> > > 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. I am attaching the email that describes the issue. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026