[jira] [Work started] (AIRFLOW-3369) Un-pausing a DAG with catchup =False creates an extra DAG run (1.10)

["Kaxil Naik (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AIRFLOW-3369?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on AIRFLOW-3369 started by Kaxil Naik.
-------------------------------------------
> Un-pausing a DAG with catchup =False creates an extra DAG run (1.10)
> --------------------------------------------------------------------
>
>                 Key: AIRFLOW-3369
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-3369
>             Project: Apache Airflow
>          Issue Type: Bug
>          Components: scheduler
>    Affects Versions: 1.10.0
>            Reporter: Andrew Harmon
>            Assignee: Kaxil Naik
>            Priority: Major
>         Attachments: image.png
>
>
> If you create a DAG with catchup=False, when it is un-paused, it creates 2 dag runs. One for the most recent scheduled interval (expected) and one for the interval before that (unexpected).
> *Sample DAG*
> {code:java}
> from airflow import DAG
> from datetime import datetime
> from airflow.operators.dummy_operator import DummyOperator
> dag = DAG(
>     dag_id='DummyTest',
>     start_date=datetime(2018,1,1),
>     catchup=False
> )
> do = DummyOperator(
>     task_id='dummy_task',
>     dag=dag
> )
> {code}
> *Result:*
> 2 DAG runs are created. 2018-11-18 and 108-11-17
> *Expected Result:*
> Only 1 DAG run should have been created (2018-11-18)
>  



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