hdfswriter/src/main/java/com/alibaba/datax/plugin/writer/hdfswriter/ParquetFileSupport.java [373:391]:
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    private void writeGroupType(Type type, JSON value, int index) {
        GroupType groupType = type.asGroupType();
        OriginalType originalType = groupType.getOriginalType();
        if (originalType != null) {
            switch (originalType) {
                case MAP:
                    writeMap(groupType, value, index);
                    break;
                case LIST:
                    writeList(groupType, value, index);
                    break;
                default:
                    break;
            }
        } else {
            // struct
            writeStruct(groupType, value, index);
        }
    }
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osswriter/src/main/java/com/alibaba/datax/plugin/writer/osswriter/parquet/ParquetFileSupport.java [128:146]:
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    private void writeGroupType(Type type, JSON value, int index) {
        GroupType groupType = type.asGroupType();
        OriginalType originalType = groupType.getOriginalType();
        if (originalType != null) {
            switch (originalType) {
                case MAP:
                    writeMap(groupType, value, index);
                    break;
                case LIST:
                    writeList(groupType, value, index);
                    break;
                default:
                    break;
            }
        } else {
            // struct
            writeStruct(groupType, value, index);
        }
    }
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