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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2021/12/13 03:25:00 UTC

[GitHub] [airflow] PrincipalsOffice opened a new issue #20248: "TaskInstance.dag_run" is joined twice in Dag.get_task_instances()

PrincipalsOffice opened a new issue #20248:
URL: https://github.com/apache/airflow/issues/20248


   ### Apache Airflow version
   
   2.2.2 (latest released)
   
   ### What happened
   
   Calling the `Dag.get_task_instances()` method would result in a sqlalchemy warning `sqlalchemy.exc.SAWarning: Pathed join target TaskInstance.dag_run has already been joined to; skipping`. This is because the query is trying to `.join(TaskInstance.dag_run)` twice. Once here https://github.com/apache/airflow/blob/main/airflow/models/dag.py#L1373 then again here https://github.com/apache/airflow/blob/main/airflow/models/dag.py#L1452
   
   ### What you expected to happen
   
   No warning.
   
   ### How to reproduce
   
   _No response_
   
   ### Operating System
   
   Debian GNU/Linux
   
   ### Versions of Apache Airflow Providers
   
   _No response_
   
   ### Deployment
   
   Other Docker-based deployment
   
   ### Deployment details
   
   _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://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
   


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[GitHub] [airflow] potiuk commented on issue #20248: "TaskInstance.dag_run" is joined twice in Dag.get_task_instances()

Posted by GitBox <gi...@apache.org>.
potiuk commented on issue #20248:
URL: https://github.com/apache/airflow/issues/20248#issuecomment-1002284426


   Assigned


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[GitHub] [airflow] hubert-pietron commented on issue #20248: "TaskInstance.dag_run" is joined twice in Dag.get_task_instances()

Posted by GitBox <gi...@apache.org>.
hubert-pietron commented on issue #20248:
URL: https://github.com/apache/airflow/issues/20248#issuecomment-1001005342


   Hi. I would like to work on that. Can you assign it to me?


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[GitHub] [airflow] potiuk commented on issue #20248: "TaskInstance.dag_run" is joined twice in Dag.get_task_instances()

Posted by GitBox <gi...@apache.org>.
potiuk commented on issue #20248:
URL: https://github.com/apache/airflow/issues/20248#issuecomment-992276871


   Maybe you would like to attempt to fix it @PrincipalsOffice  ?


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