[GitHub] [airflow] xu-xiang commented on issue #9069: Error Specified key was too long; max key length is 3072 bytes on ALTER TABLE xcom ADD CONSTRAINT pk_xcom PRIMARY KEY (dag_id, task_id, `key`, execution_date)

[GitBox]

xu-xiang commented on issue #9069:
URL: https://github.com/apache/airflow/issues/9069#issuecomment-636307888


   Fix
   
   ```
   CREATE DATABASE airflow CHARACTER SET UTF8mb3 COLLATE utf8_general_ci
   ```


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