Tao Feng created AIRFLOW-2255:
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Summary: Add alembic migration script for AIRFLOW-2059
Key: AIRFLOW-2255
URL: https://issues.apache.org/jira/browse/AIRFLOW-2255
Project: Apache Airflow
Issue Type: Improvement
Reporter: Tao Feng
Assignee: Tao Feng-- This message was sent by Atlassian JIRA (v7.6.3#76005)
