Re: Type OIDs

Florian Weimer <fw@deneb.enyo.de> writes:
> Can I embed the types I'm interested in into my program, or should I
> query the server at least once per connection to get the mapping?  I'm
> interested in types such as INTEGER, TEXT, BYTEA, etc.  No user
> defined types, and nothing fancy.  Ultra-long-term portability isn't
> required, either.

Well, the type OIDs of the standard built-in types haven't changed in
at least ten years, but that doesn't mean we won't change 'em in the
future.  I'd advise at least using the #define's from pg_type.h rather
than writing actual numeric constants.
        regards, tom lane