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https://issues.apache.org/jira/browse/AIRFLOW-6366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17087673#comment-17087673
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Elwin Arens commented on AIRFLOW-6366:
--------------------------------------
This issue has regressed in
[https://github.com/apache/airflow/blob/1.10.10/airflow/migrations/versions/852ae6c715af_add_rendered_task_instance_fields_table.py]
> Fix migrations for MS SQL Server
> --------------------------------
>
> Key: AIRFLOW-6366
> URL: https://issues.apache.org/jira/browse/AIRFLOW-6366
> Project: Apache Airflow
> Issue Type: Bug
> Components: database
> Affects Versions: 1.10.7
> Reporter: Bjorn Olsen
> Assignee: Bjorn Olsen
> Priority: Minor
> Fix For: 1.10.8
>
>
> Although MS SQL Server is not officially supported as a backend database, I
> am using it via PyODBC and found a minor issue with migration from 1.10.6 to
> 1.10.7.
>
> Below is a log excerpt showing the issue:
> INFO [alembic.runtime.migration] Running upgrade 6e96a59344a4 ->
> d38e04c12aa2, add serialized_dag table
> sqlalchemy.exc.ProgrammingError: (pyodbc.ProgrammingError) ('42000', "[42000]
> [Microsoft][ODBC Driver 17 for SQL Server][SQL Server]'JSON_VALID' is not a
> recognized built-in function name. (195) (SQLExecDirectW)")
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