Joost Kraaijeveld wrote:
> 1. Does an insert, update or delete statement return before or after
> an "After" trigger (is such a trigger or rule synchronous or
> a-synchronous?
Synchronous
> 2. Is there a concept of a rule or trigger that fails?
> If so, if a trigger or rule fails, does the insert, update or delete
> statement (transaction) fail?
Yes
--
Peter Eisentraut
http://developer.postgresql.org/~petere/