presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/systemtables/ShardMetadataRecordCursor.java/ShardMetadataRecordCursor/closeCurrentResultSet
class ShardMetadataRecordCursor:    @SuppressWarnings("unused")
    private void closeCurrentResultSet()
    {
        // use try-with-resources to close everything properly
        //noinspection EmptyTryBlock
        try (Connection connection = this.connection;
                Statement statement = this.statement;
                ResultSet resultSet = this.resultSet) {
            // do nothing
        }
        catch (SQLException ignored) {
        }
    }