Re: [I] Tasks with all_done trigger rule execute when they should skip [airflow]

["cdagraca (via GitHub)" <gi...@apache.org>]

cdagraca commented on issue #53667:
URL: https://github.com/apache/airflow/issues/53667#issuecomment-3697499963

   I'm seeing some odd behaviour in 2.10.3 that I think relates to this.
   When my "all_done" task has 2 upstream tasks, one of which succeeds and the other is skipped, it gets skipped.
   When it has only one upstream task, and this gets skipped, the task executes.
   I could accept the argument that the skipped task(s) have "reached a terminal state" and so count as "done" if it was consistent in both cases, but in practice skipped only _sometimes_ counts as done with respect to an "all_done" rule.
   I can work around this in my current use case, just adding this in case it helps with tracking this down.
   
   The bottom DAG is a simplified version of the top one:
   
   <img width="1043" height="642" alt="Image" src="https://github.com/user-attachments/assets/9837f430-c724-4e63-8e6b-d5048a679085" />


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