cmdtuples (PGresult)

    /*
     * call-seq:
     *    res.cmdtuples()
     *
     * Returns the number of tuples (rows) affected by the SQL command.
     *
     * If the SQL command that generated the PGresult was not one of +INSERT+, +UPDATE+, +DELETE+, +MOVE+, or +FETCH+, or if no tuples (rows) were affected, <tt>0</tt> is returned.
     */
    static VALUE
    pgresult_cmdtuples(obj)
        VALUE obj;
    {
        long n;
        n = strtol(PQcmdTuples(get_pgresult(obj)),NULL, 10);
        return INT2NUM(n);
    }