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Posted to commits@doris.apache.org by "zhannngchen (via GitHub)" <gi...@apache.org> on 2023/03/08 17:20:43 UTC

[GitHub] [doris] zhannngchen opened a new issue, #17588: [Bug] coalesce should return a column with copied data

zhannngchen opened a new issue, #17588:
URL: https://github.com/apache/doris/issues/17588

   ### Search before asking
   
   - [X] I had searched in the [issues](https://github.com/apache/doris/issues?q=is%3Aissue) and found no similar issues.
   
   
   ### Version
   
   master
   
   ### What's Wrong?
   
   see issue #17587, it's caused by coalesce function. e.g. app_id = coalesce(appid, "")
   coalesce returned an new result column, which holds a reference to another original column in schema. The new result column is inserted into a dest column, and src block cleared the original column's data, the result column's data is cleared as well.
   
   ### What You Expected?
   
   coalesce should return a copied column
   
   ### How to Reproduce?
   
   _No response_
   
   ### Anything Else?
   
   _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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[GitHub] [doris] dataroaring closed issue #17588: [Bug] coalesce should return a column with copied data

Posted by "dataroaring (via GitHub)" <gi...@apache.org>.
dataroaring closed issue #17588: [Bug] coalesce should return a column with copied data
URL: https://github.com/apache/doris/issues/17588


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