On Fri, Nov 9, 2012 at 9:21 PM, George Weaver <gwea...@shaw.ca> wrote:
> ** > Hi Everyone, > > I have a view made up of a local query unioned with a view comprised of a > dblink query. > > If the dblink query cannot establish a connection, I get the "could not > connect to server" error and the whole view fails. > > Setting fail_on_error to false does not work in this situation. > > Is there any way to test the connection inside the view when the view is > called and either return the whole view or just the local component if a > dblink connection cannot be made? > > Thanks, > George > > > > Hi. You can put you dblink query into PL/pgSQL function that: 1) Will return dblink result, if no errors occurred. 2) Will return no rows, if error occured Then just use this function in the union.
