ObjectType ot = m_root.getObjectType(query); return m_root.getObjectMap(ot).getRetrieveAll();
ObjectType ot = m_root.getObjectType(query); ObjectMap map = m_root.getObjectMap(ot); if (map == null) { throw new PersistenceException("no such query: " + query); } return map.getRetrieveAll();
    private SQLBlock getBlock(String query) {	ObjectType ot = m_root.getObjectType(query);	return m_root.getObjectMap(ot).getRetrieveAll();    }