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https://issues.apache.org/jira/browse/AIRFLOW-2075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17220079#comment-17220079
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Richard Williamson commented on AIRFLOW-2075:
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Can we re-open the more general version of this request to get Airflow 2 to
work with Spanner by either sqlalchemy support or any other means? Making
Airflow 2.0 work with Spanner would allow multi-region support by running a
scheduler in 2 or more regions using Airflow 2.0 HA features.
> Extract and create a data access layer
> --------------------------------------
>
> Key: AIRFLOW-2075
> URL: https://issues.apache.org/jira/browse/AIRFLOW-2075
> Project: Apache Airflow
> Issue Type: Improvement
> Components: core
> Affects Versions: 2.0.0
> Reporter: Yang Pan
> Priority: Major
>
> Currently Airflow is tightly coupled with sqlalchemy.
> [https://github.com/search?p=2&q=%22from+sqlalchemy%22+repo%3Aapache%2Fincubator-airflow+path%3A%2Fairflow&type=Code&utf8=%E2%9C%93]
> While it's convenient for sqlalchemy compatible database, it makes non
> compatible ones, such as google cloud spanner, harder to integrate.
> It would be nice if the data access layer can be decoupled from the airflow
> core, and developers have option to use sqlalchemy or swap to talk to db
> directly.
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