I am using a MySQL db in my flask app. I am using SQLAlchemy with pymysql too. The app is deployed on a web server(linux based - specifically Ubuntu). I am trying to apply migrations using flask-migrate but I keep on getting the error I am using a MySQL db in my flask app. I am usi
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（1170，u“没有密钥长度的密钥规范中使用的BLOB / TEXT列'user_id'”）
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