[jira] [Commented] (AIRFLOW-1011) Fix bug in BackfillJob._execute() for SubDAGs

["ASF subversion and git services (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AIRFLOW-1011?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15954623#comment-15954623 ] 

ASF subversion and git services commented on AIRFLOW-1011:
----------------------------------------------------------

Commit 2bebeaf9554d35710de6eb1b4006157e105ac79b in incubator-airflow's branch refs/heads/v1-8-test from [~jschmid]
[ https://git-wip-us.apache.org/repos/asf?p=incubator-airflow.git;h=2bebeaf ]

[AIRFLOW-1011] Fix bug in BackfillJob._execute() for SubDAGs

BackfillJob._execute() checks that the next run
date is less than
or equal to the end date before creating a DAG run
and task
instances. For SubDAGs, the next run date is not
relevant,
i.e. schedule_interval can be anything other than
None
or '@once' and should be ignored. However, current
code calculates
the next run date for a SubDAG and the condition
check mentioned
above always fails for SubDAG triggered manually.

This change adds a simple check to determine if
this is a SubDAG
and, if so, sets next run date to DAG run's start
date.

Closes #2179 from joeschmid/AIRFLOW-1011-fix-bug-
backfill-execute-for-subdags

(cherry picked from commit 56501e6062df9456f7ac4efe94e21940734dd5bc)
Signed-off-by: Bolke de Bruin <bo...@xs4all.nl>


> Fix bug in BackfillJob._execute() for SubDAGs
> ---------------------------------------------
>
>                 Key: AIRFLOW-1011
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-1011
>             Project: Apache Airflow
>          Issue Type: Bug
>          Components: backfill, subdag
>    Affects Versions: 1.8.0
>            Reporter: Joe Schmid
>            Priority: Blocker
>             Fix For: 1.8.1
>
>         Attachments: 1-TopLevelDAGTaskInstancesShownCorrectly.png, 2-ZoomedSubDAG-NoTaskInstances-v1.8.png, 3-ZoomedSubDAG-TaskInstances-v1.7.1.3.png, subdag_task_instance_logs.txt, test_subdag.py
>
>
> The attached test SubDAG is not executed when the parent DAG is triggered manually. Attached is a simple test DAG that exhibits the issue along with screenshots showing the UI differences between v1.8 and v1.7.1.3.
> Note that if the DAG is run via backfill from command line (e.g. "airflow backfill Test_SubDAG -s 2017-03-18 -e 2017-03-18") the task instances show up successfully.



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