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https://issues.apache.org/jira/browse/AIRFLOW-504?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bolke de Bruin closed AIRFLOW-504.
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Resolution: Fixed
Fix Version/s: 1.8.0
> datetime.now() has microseconds Mysql does not store these resulting in issues
> ------------------------------------------------------------------------------
>
> Key: AIRFLOW-504
> URL: https://issues.apache.org/jira/browse/AIRFLOW-504
> Project: Apache Airflow
> Issue Type: Bug
> Reporter: Bolke de Bruin
> Priority: Critical
> Fix For: 1.8.0
>
>
> >>> datetime.datetime.utcnow()
> datetime.datetime(2016, 9, 11, 12, 22, 22, 483998)
> >>> datetime.datetime.now()
> datetime.datetime(2016, 9, 11, 14, 22, 31, 363392)
> >>>
> Mysql rounds those to "2016-05-13 00:00:00". If sqlalchemy now tries to find
> the the record by primary key (eg. session.merge) it cannot find them due to
> lost precision.
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