presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/systemtables/ShardMetadataRecordCursor.java/ShardMetadataRecordCursor/getSlice
class ShardMetadataRecordCursor:    @Override
    public Slice getSlice(int field)
    {
        checkFieldType(field, Slice.class);
        return resultSetValues.getSlice(field);
    }