dinggege1024 opened a new issue, #19297: URL: https://github.com/apache/doris/issues/19297
### Search before asking - [X] I had searched in the [issues](https://github.com/apache/doris/issues?q=is%3Aissue) and found no similar issues. ### Description I need bitmap_distinct for data handling. My requirement is to use the features of Bitmap itself to deduplicate columns and obtain the unique column values. Current situation(Reasons for dissatisfaction): ```hiveql SELECT dt ,bitmap_to_string(bitmap_union(to_bitmap(user_id))) FROM mytable GROUP BY dt ``` it return one column for user_id  Expected: ```hiveql SELECT dt ,bitmap_distinct(to_bitmap(user_id)) FROM mytable GROUP BY dt ```  ### Solution Doris Java UDF ### Are you willing to submit PR? - [X] 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) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
