>CREATE INDEX fecha_creacion_ordtrab ON orden_trabajo_cabecera USING btree >((time_stamp_creacion::date)); > >but in my postgresql 8.3 version i get this error: > >ERROR: functions in index expression must be marked IMMUTABLE If your time_stamp_creacion is a timestamp with time zone I believe that the cast is not immutable. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
