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https://issues.apache.org/jira/browse/AIRFLOW-5343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16924070#comment-16924070
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ASF subversion and git services commented on AIRFLOW-5343:
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Commit a44e5762c394b59566e757c9c20cb3f9fd7851eb in airflow's branch
refs/heads/master from Igor Khrol
[ https://gitbox.apache.org/repos/asf?p=airflow.git;h=a44e576 ]
[AIRFLOW-5343] Add pool_pre_ping to SQLAlchemy (#5949)
SQLalchemy supports connection check while returning it from the pool. There is
a need to allow this parameter (`pool_pre_ping`) while creating the connection
to database.
More info here:
https://docs.sqlalchemy.org/en/13/core/pooling.html#disconnect-handling-pessimistic
> pool_pre_ping support for SQLAlchemy connection
> -----------------------------------------------
>
> Key: AIRFLOW-5343
> URL: https://issues.apache.org/jira/browse/AIRFLOW-5343
> Project: Apache Airflow
> Issue Type: Task
> Components: configuration
> Affects Versions: 1.10.4
> Reporter: Igor Khrol
> Priority: Minor
>
> SQLalchemy supports connection check while returning it from the pool. There
> is a need to allow this parameter (`pool_pre_ping`) while creating the
> connection to database.
>
> [https://docs.sqlalchemy.org/en/13/core/pooling.html#disconnect-handling-pessimistic]
> [https://github.com/apache/airflow/blob/master/airflow/settings.py#L189]
>
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