Auto-timeout on all queries

> I would like to make one small request for future releases.  Is there a
> setup parameter that could be enabled that would put a timeout for a query
> that runs too long or endangers the integrity of the system?  With the
> systems that I use, there are times that queries are entered that contain
> errors or run so long that they eventually cause a system crash.  It would
> be most helpful if a timeout limit on queries could be enabled that would
> stop a query after so much time and release the resources back to the system.

Does anyone thing this would be a nice feature?  We can easily do it
with alarm()/elog(), but I want to know if it would be valuable.

--
  Bruce Momjian                        |  http://www.op.net/~candle
  maillist@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