Michael Fuhr <mike(at)fuhr(dot)org> writes:
> ... the length needs to be in host byte order.
Right. The only place where a libpq client would be dealing with
network-byte-order data is within binary-format values for data fields
(in SELECT results) or binary-format parameters (when transmitting to
the database). Metadata like field lengths is just in the local native
representation.
regards, tom lane