code: public int deleteCascade(PreparedQuery<Contents> preparedDelete,
  			boolean userTable) throws SQLException {
  		int count = 0;
  		if (preparedDelete != null) {
  			List<Contents> contentsList = query(preparedDelete);
  			count = deleteCascade(contentsList, userTable);
  		}
  		return count;
  	}
docs: Delete the Contents matching the prepared query, cascading optionally
  including the user table
  
  @param preparedDelete
  prepared delete query
  @param userTable
  true if a user table
  @return deleted count
  @throws SQLException
  upon deletion error