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Posted to commits@airflow.apache.org by "Jeremiah Lowin (JIRA)" <ji...@apache.org> on 2016/11/07 15:15:59 UTC

[jira] [Created] (AIRFLOW-618) Fix failing refresh_from_db() query (affects unit tests)

Jeremiah Lowin created AIRFLOW-618:
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             Summary: Fix failing refresh_from_db() query (affects unit tests)
                 Key: AIRFLOW-618
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-618
             Project: Apache Airflow
          Issue Type: Bug
            Reporter: Jeremiah Lowin


Travis runs are failing with sqllite. Commonly, the error is traced to: 

  File "/home/travis/build/apache/incubator-airflow/airflow/models.py", line 3657, in refresh_from_db
    ).one()
  File "/home/travis/build/apache/incubator-airflow/.tox/py34-cdh-airflow_backend_sqlite/lib/python3.4/site-packages/sqlalchemy/orm/query.py", line 2760, in one
    raise orm_exc.NoResultFound("No row was found for one()")
nose.proxy.NoResultFound: No row was found for one()

In other words, the database is finding no rows that match the query filter. Manually inspecting the database, I can see that the filter SHOULD succeed. It appears that manually casting the DateTime parameters as SQL DateTimes fixes the issue in this instance.



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