wwek opened a new issue, #13712:
URL: https://github.com/apache/doris/issues/13712

   ### Search before asking
   
   - [X] I had searched in the 
[issues](https://github.com/apache/incubator-doris/issues?q=is%3Aissue) and 
found no similar issues.
   
   
   ### Description
   
   
   VARCHAR split party (VARCHAR content, VARCHAR delimiter, INT field)
   当前第三个参数 不支持使用负数倒取第几个字段,需要支持
   
   
https://doris.apache.org/docs/dev/sql-manual/sql-functions/string-functions/split_part?_highlight=split_part
   
   ### Use case
   
   期望
   select split_part("hello world", " ", -1);
   输出: world
   
   ### Related issues
   
   _No response_
   
   ### Are you willing to submit PR?
   
   - [ ] Yes I am willing to submit a PR!
   
   ### Code of Conduct
   
   - [X] I agree to follow this project's [Code of 
Conduct](https://www.apache.org/foundation/policies/conduct)
   


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