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https://issues.apache.org/jira/browse/AIRFLOW-6488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17008987#comment-17008987
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ASF GitHub Bot commented on AIRFLOW-6488:
-----------------------------------------
loicbenoit commented on pull request #7080: [AIRFLOW-6488] Add missing relation
to op4
URL: https://github.com/apache/airflow/pull/7080
See:
https://airflow.apache.org/docs/stable/concepts.html#concepts-operators, near
line 401
In last "and equivalent to", it seems op4 should still depend on both op2
and op3.
op1 >> op2 >> op4
op1 >> op3 >> op4
and equivalent to:
op1.set_downstream([op2, op3])
**op4.set_upstream([op2, op3])** #Expected this, but it's missing.
---
Issue link: WILL BE INSERTED BY
[boring-cyborg](https://github.com/kaxil/boring-cyborg)
- [ ] Description above provides context of the change
- [ ] Commit message/PR title starts with `[AIRFLOW-NNNN]`. AIRFLOW-NNNN =
JIRA ID<sup>*</sup>
- [ ] Unit tests coverage for changes (not needed for documentation changes)
- [ ] Commits follow "[How to write a good git commit
message](http://chris.beams.io/posts/git-commit/)"
- [ ] Relevant documentation is updated including usage instructions.
- [ ] I will engage committers as explained in [Contribution Workflow
Example](https://github.com/apache/airflow/blob/master/CONTRIBUTING.rst#contribution-workflow-example).
<sup>*</sup> For document-only changes commit message can start with
`[AIRFLOW-XXXX]`.
---
In case of fundamental code change, Airflow Improvement Proposal
([AIP](https://cwiki.apache.org/confluence/display/AIRFLOW/Airflow+Improvements+Proposals))
is needed.
In case of a new dependency, check compliance with the [ASF 3rd Party
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> Potential error in documentation
> --------------------------------
>
> Key: AIRFLOW-6488
> URL: https://issues.apache.org/jira/browse/AIRFLOW-6488
> Project: Apache Airflow
> Issue Type: Bug
> Components: documentation
> Affects Versions: master
> Environment: n/a
> Reporter: Loic Benoit
> Priority: Minor
> Labels: documentation
> Fix For: master
>
>
> There may be a mistake in docs/concepts.rst near line 401.
> URL: [https://airflow.apache.org/docs/stable/concepts.html#concepts-operators]
> h2. Current state:
>
> {code:java}
> op1 >> op2 >> op4
> op1 >> op3 >> op4
> and equivalent to:
> op1.set_downstream([op2, op3])
> {code}
> h2. Problem:
> Seems to be missing the relation with op4. (This is my first day learning
> Airflow, so I may be wrong.)
> h2. Proposed fix:
> {code:java}
> op1 >> op2 >> op4
> op1 >> op3 >> op4
> and equivalent to:
> op1.set_downstream([op2, op3])
> op4.set_upstream([op2, op3])
> {code}
>
>
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