On Mon, Oct 30, 2006 at 11:46:01AM -0800, ecolgan@xxxxxxxxxxxxxx wrote: > We're using a remote Postgres server to view video data. It works > well, but we're having a hard time making our app robust when the > network fails. For example, PQexec does not return consistently when > the cable is disconnected. Network connections use TCP, which was designed to be robust over unreliable networks. A TCP connection isn't supposed to fail right away in the face of network problems like disconnected cables; instead, TCP retransmits packets with the hope that connectivity will soon be re-established. > Is there a timeout value that we can configure, so all PQ* functions > return consistently? You could use asynchronous command processing with poll() or select(). http://www.postgresql.org/docs/8.1/interactive/libpq-async.html -- Michael Fuhr