[jira] [Updated] (AIRFLOW-198) Create an OnlyRunCurrent or ShortCircuitIfNotCurrent Operator

["Siddharth Anand (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AIRFLOW-198?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Siddharth Anand updated AIRFLOW-198:
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    Summary: Create an OnlyRunCurrent or ShortCircuitIfNotCurrent Operator  (was: Create an OnlyRunCurrent Operator)

> Create an OnlyRunCurrent or ShortCircuitIfNotCurrent Operator
> -------------------------------------------------------------
>
>                 Key: AIRFLOW-198
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-198
>             Project: Apache Airflow
>          Issue Type: New Feature
>            Reporter: Peter Attardo
>            Assignee: Siddharth Anand
>
> Taken from: https://cwiki.apache.org/confluence/display/AIRFLOW/Roadmap
> "For cases where we need to only run the latest in a series of task instance runs and mark the others as skipped. For example, we may have job to execute a DB snapshot every day. If the DAG is paused for 5 days and then unpaused, we don’t want to run all 5, just the latest. With this feature, we will provide “cron” functionality for task scheduling that is not related to ETL"
> I've decided to implement this as a subclass of ShortCircuitOperator - OnlyRunCurrentOperator will skip downstream if the dag run being executed is not current.



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