On Mon, 2009-11-16 at 19:06 +0900, Tatsuo Ishii wrote: > > > - Does Hot Standby allow to use prepared query (not prepared > > > transaction) in standby? I mean: Parse message from frontend can be > > > accepted by standby? > > > > Yes, no problem with any of those kind of facilities > > Please correct me if I'm wrong. Parse will result in obtaining > RowExclusiveLock on the target table if it is parsing > INSERT/UPDATE/DELETE. If so, is this ok in the standby?
Any attempt to take RowExclusiveLock will fail. Any attempt to execute INSERT/UPDATE/DELETE will fail. This behaviour should be identical to read only transaction mode. If it is not documented as an exception, please report as a bug. -- Simon Riggs www.2ndQuadrant.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
