d4x1 opened a new issue, #7896: URL: https://github.com/apache/incubator-devlake/issues/7896
### Search before asking - [X] I had searched in the [issues](https://github.com/apache/incubator-devlake/issues?q=is%3Aissue) and found no similar issues. ### What happened I want to statisticize the subtasks' time cost from table `_devlake_subtasks`. ### What do you expect to happen I found some subtasks' fields are empty or null.  ### How to reproduce run sql `select * FROM _devlake_subtasks where began_at is null order by number asc LIMIT 100`. ### Anything else _No response_ ### Version main ### 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]
