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Task dependency upstream/downstream setting error #35062

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MemphisMeng opened this issue Oct 19, 2023 · 2 comments · Fixed by #35075
Closed
2 tasks done

Task dependency upstream/downstream setting error #35062

MemphisMeng opened this issue Oct 19, 2023 · 2 comments · Fixed by #35075
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@shubhamraj-git
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good first issue kind:bug This is a clearly a bug kind:documentation

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@MemphisMeng
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What do you see as an issue?

I'm using Airflow 2.7.2 and following the documentation to define the dependency relationship relationship between tasks. I tried the explicit way suggested by the doc but it failed.

first_task.set_downstream(second_task, third_task)
third_task.set_upstream(fourth_task)

Solving the problem

It seems it doesn't work if we want to attach multiple tasks downstream to one in a one-line manner. So I suggest currently we should break it down. Or resolve it.

first_task.set_downstream(second_task)
first_task.set_downstream(third_task)

Anything else

No response

Are you willing to submit PR?

  • Yes I am willing to submit a PR!

Code of Conduct
@MemphisMeng MemphisMeng added kind:bug This is a clearly a bug kind:documentation needs-triage label for new issues that we didn't triage yet labels Oct 19, 2023
@Taragolis Taragolis removed the needs-triage label for new issues that we didn't triage yet label Oct 19, 2023
@Taragolis
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Yeah, it is a wrong example in the doc, it should be:

first_task.set_downstream([second_task, third_task])

@shubhamraj-git
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I am interested in this issue. Could you please assign me?

@shubhamraj-git shubhamraj-git mentioned this issue Oct 20, 2023
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Fixing Task dependency upstream/downstream setting error shubhamraj-git/airflow
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@Taragolis @MemphisMeng @shubhamraj-git