On Mon, May 19, 2014 at 6:47 AM, Tim Kane <tim.kane@gmail.com> wrote:
> Aside from the convenience of the REFRESH functionality, are there any other
> factors I should consider?
An exclusive lock is taken on the materialized view during a REFRESH
operation, blocking an read or write queries attempted on them. You
can tackle this limitation in the upcoming 9.4 by using REFRESH
CONCURRENTLY, a unique index being necessary on the materialized view.
--
Michael