/*
 * call-seq:
 *    conn.set_error_verbosity( verbosity ) -> Fixnum
 *
 * Sets connection's verbosity to _verbosity_ and returns
 * the previous setting. Available settings are:
 * * PQERRORS_TERSE
 * * PQERRORS_DEFAULT
 * * PQERRORS_VERBOSE
 */
static VALUE
pgconn_set_error_verbosity(VALUE self, VALUE in_verbosity)
{
    PGconn *conn = get_pgconn(self);
    PGVerbosity verbosity = NUM2INT(in_verbosity);
    return INT2FIX(PQsetErrorVerbosity(conn, verbosity));
}