请问支不支持（transform）数据转换

### Search before asking

- [X] I had searched in the [issues](https://github.com/DTStack/chunjun/issues) and found no similar question.

- [X] I had googled my question but i didn't get any help.

- [X] I had read the documentation: [ChunJun doc](https://dtstack.github.io/chunjun) but it didn't help me.

### Description

请问支不支持（transform）数据转换，在文档中没有找到这一部分的介绍。请问有没有相关的支持。

### Code of Conduct

- [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct)