On 3/16/25 02:30, Sebastien Flaesch wrote:
>
> Hello,
>
> I think the column type identification with PQftype() needs some
> review/clarification.
>
> It's a pity that libpq does not have an API to return directly the
> actual type name of a column.
>
> The doc
> <https://www.postgresql.org/docs/17/libpq-exec.html#LIBPQ-PQFTYPE> says:
>
> You can query the system table |pg_type| to obtain the names and
> properties of the various data types. *The OIDs of the built-in data
> types are defined in the file |catalog/pg_type_d.h| in the
> PostgreSQL installation's |include| directory.*
>
> After building PostgreSQL *17.4* from the sources, I cannot find this
> pg_type_d.h header file in the installation directory. Maybe I am
> missing some configure option?
Went I built from source in ended up in:
/usr/local/pgsql/include/server/catalog/
--
Adrian Klaver
adrian.klaver@aklaver.com