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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2020/05/30 10:30:29 UTC

[GitHub] [airflow] potiuk 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)

potiuk commented on issue #9069:
URL: https://github.com/apache/airflow/issues/9069#issuecomment-636311420


   @xu-xiang  - In Airlfow 2.0 we have a fix for that: https://github.com/apache/airflow/blob/e9ecf0ae10dffcd9ccaf22cc9f19f140fbc5ee55/airflow/config_templates/config.yml#L78 - you can specify different character set for ids  - without constraining the character set for the whole database. It's been added in https://github.com/apache/airflow/pull/7570 


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