[jira] [Assigned] (AIRFLOW-5664) postgres_to_gcs operator drops milliseconds from timestamps

["Oluwafemi Sule (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AIRFLOW-5664?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Oluwafemi Sule reassigned AIRFLOW-5664:
---------------------------------------

    Assignee: Oluwafemi Sule

> postgres_to_gcs operator drops milliseconds from timestamps
> -----------------------------------------------------------
>
>                 Key: AIRFLOW-5664
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-5664
>             Project: Apache Airflow
>          Issue Type: Bug
>          Components: operators
>    Affects Versions: 1.10.5
>            Reporter: Joseph
>            Assignee: Oluwafemi Sule
>            Priority: Blocker
>
> Postgres stores timestamps with microsecond resolution. When using the postgres_to_gcs operator, timestamps are converted to epoch/unix time using the datetime.timetuple() method. This method drops the microseconds and so you'll end up with a storage object that looks like this:
> {code:java}
> {"id": 1, "last_modified": 1571038537.0}
> {"id": 2, "last_modified": 1571038537.0}
> {"id": 3, "last_modified": 1571038537.0}
> {code}
> When it should look like this:
> {code:java}
> {"id": 1, "last_modified": 1571038537.123}
> {"id": 2, "last_modified": 1571038537.400}
> {"id": 3, "last_modified": 1571038537.455}
> {code}
> It would be useful to keep the timestamps' full resolution.
> I believe the same issue may occur with airflow.operators.mysql_to_gcs.



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