Igor Khrol created AIRFLOW-5343:
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Summary: 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
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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