/*
 * call-seq:
 *    res.cmd_status() -> String
 *
 * Returns the status string of the last query command.
 */
static VALUE
pgresult_cmd_status(VALUE self)
{
        VALUE ret = rb_tainted_str_new2(PQcmdStatus(get_pgresult(self)));
        ASSOCIATE_INDEX(ret, self);
        return ret;
}