return getBlock((SQLBlockNd) it.next());
return getBlock(om, (SQLBlockNd) it.next());
    private SQLBlock getBlock(EventNd ev) {        if (ev.getSQL().size() > 1) {            m_errors.fatal(ev, "more than one sql block");        }        SQLBlockNd nd;        Iterator it = ev.getSQL().iterator();        if (it.hasNext()) {            return getBlock((SQLBlockNd) it.next());        } else {            return null;        }    }