* Tom Lane ([EMAIL PROTECTED]) wrote:
> [EMAIL PROTECTED] (Bruce Momjian) writes:
> > Add GUC update_process_title to control whether 'ps' display is updated
> > for every command, default to on.
> It strikes me that the ps_status support provides one important bit of
> information that is currently hard to get elsewhere; specifically, the
> "waiting" flag that gets added while blocked on a lock.  You can find
> out if a process is blocked by looking in pg_locks, but that's a fairly
> expensive probe in itself and then you have to join to pg_stat_activity
> to make any sense of it.  I wonder if we should add a "waiting" boolean
> column to pg_stat_activity?  Given the new implementation of
> pg_stat_activity, updating such a flag would be pretty cheap.

That would be an *excellent* addition..  Honestly, I think it'd be nice
to get a 'NOTICE' in such cases too, but having it in pg_stat_activity
will help alot.



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