class QueryResultMetaData {

    public String getColumnName(final int columnIndex) throws SQLException {
        return resultSetMetaData.getColumnName(columnIndex);
    }

    public  QueryResultMetaData(final ResultSetMetaData resultSetMetaData, final ShardingRule shardingRule);
    public  QueryResultMetaData(final ResultSetMetaData resultSetMetaData, final EncryptRule encryptRule);
    public  QueryResultMetaData(final ResultSetMetaData resultSetMetaData);

}