Setting up the development environment of dataworks custom function

Build a custom function development environment

1. Build the client according to the tutorial odpscmd
https://help.aliyun.com/document_detail/27971.html

2. use idea install MaxCompute Studio
https://help.aliyun.com/document_detail/50892.html

3. Connect dataworks project
https://help.aliyun.com/document_detail/50855.html

4. Write custom functions
https://help.aliyun.com/document_detail/50902.html
Development needs attention ：
All resource files cannot be placed locally , hit jar You will not be able to access the file , The file must be uploaded and then used ctx.readResourceFile(“ip2region.db”); To read the file

5. Package and upload after writing
https://help.aliyun.com/document_detail/50904.html

6. Add function