On Fri, 2008-06-20 at 18:38 -0400, Bruce Momjian wrote: > Laurent Birtz wrote: > > > No. The closest thing we have is log_lock_waits in 8.3. I wonder if > > > you could hack up something to monitor the server logs for such messages > > > and cancel the queries. > > > > Assuming I can monitor the logs in this way, how would I cancel the > > queries (or lack thereof, in the case of a client that sits doing nothing > > with a held lock)? > > Use log_line_prefix to get the process id in the log line, then use > pg_cancel_backend() on the process id. > > > >> 2) Is there any hostility about the notion of implementing this feature > > >> into Postgres? > > > > > > Probabably --- it seems like a narrow use case. > > > > I'll consider this to be the definite answer unless I hear a dissenting > > opinion in the next few days. > > Yea, I might be wrong. I think you're very right. Don't ever want to see locks disappearing because of a timeout, sorry Laurent. -- Simon Riggs www.2ndQuadrant.com PostgreSQL Training, Services and Support