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----- Original Message ----- From: Igor Romanchenko >On Fri, Nov 9, 2012 at 9:21 PM, George Weaver <gweaver@xxxxxxx> 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. Hi Igor,
I'll look at
that!
Thanks,
George |
