On Fri, Jun 26, 2009 at 1:34 AM, Janet Jacobsen<jsjacobsen@xxxxxxx> wrote: > Thank you for the answers. Very helpful. > > Between the time that I sent my original post and saw your reply, > I tried to drop a couple of foreign key constraints. The alter > table statements also showed up as "waiting" when I ran ps aux. > > I took your suggestion to run pg_locks and pg_stat_activity. > pg_stat_activity showed that I had three statements that were > waiting, and that there was one user whose query was given > as "<insufficient privilege>". I killed the process associated > with that user, and my three waiting statements executed > immediately. FYI, that means you, the user, don't have sufficient privileges to view their query. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance