> > 3. What sort of trouble am I going to get into trying to pull data from
> > a custom type into an external interface (i.e. PHP4)?
>
> Good question --- the interface code might or might not have a sensible
> default behavior for types it doesn't recognize.
Why not explicitly convert to text? (I assume the output function for
that type will be used in the conversion...?).
SELECT phone_num::text FROM tab
-itai
