Those are more complicated, and it's not obvious to me how to use them. I
really think that all I need is something as simple as "if (my_oid ==
INT4OID) {...}". Is there any reason why I shouldn't just do that?
On Mon, Oct 19, 2015 at 7:08 PM, Alvaro Herrera <alvhe...@2ndquadrant.com>
wrote:
> Ken Been wrote:
> > Thanks, but I actually wanted to do it from C code. But anyway I think I
> > found the answer: use the symbolic constants in catalog/pg_type.h, such
> as
> > INT4OID.
>
> You can probably use
> SearchSysCache1(TYPEOID, ObjectIdGetDatum(your_oid))
> or perhaps
> lookup_type_cache(your_oid).
>
> --
> Álvaro Herrera http://www.2ndQuadrant.com/
> PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
>
