On Mon, Jul 3, 2017 at 10:08 AM, Steven Chang <stevenchang1213@xxxxxxxxx> wrote: > Hello : Please avoid top-posting. > PG VERSION : PPAS 9.3 , enterprisedb > os version : 2.6.32-358.el6.x86_64 This is EnterpriseDB's fork of Postgres. Until it can be proved that a corruption has happened using the community code, it is going to be hard to say if the problem comes from PostgreSQL itself or from something that has been changed there. -- Michael -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general