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- 【TiDB 版本】：4.0.5
- 【问题描述】：
在通过helm安装airflow平台时，有一个migration，是需要把int转化成float，系统提示：Unsupported modify column: type float not match origin int(11)
INFO [alembic.runtime.migration] Running upgrade 1b38cef5b76e -> 2e541a1dcfed, task_duration
Traceback (most recent call last):
File “/home/airflow/.local/lib/python3.6/site-packages/sqlalchemy/engine/base.py”, line 1248, in _execute_context
cursor, statement, parameters, context
File “/home/airflow/.local/lib/python3.6/site-packages/sqlalchemy/engine/default.py”, line 588, in do_execute
cursor.execute(statement, parameters)
File “/home/airflow/.local/lib/python3.6/site-packages/MySQLdb/cursors.py”, line 255, in execute
self.errorhandler(self, exc, value)
File “/home/airflow/.local/lib/python3.6/site-packages/MySQLdb/connections.py”, line 50, in defaulterrorhandler
raise errorvalue
File “/home/airflow/.local/lib/python3.6/site-packages/MySQLdb/cursors.py”, line 252, in execute
res = self._query(query)
File “/home/airflow/.local/lib/python3.6/site-packages/MySQLdb/cursors.py”, line 378, in _query
db.query(q)
File “/home/airflow/.local/lib/python3.6/site-packages/MySQLdb/connections.py”, line 280, in query
_mysql.connection.query(self, query)
_mysql_exceptions.OperationalError: (8200, ‘Unsupported modify column: type float not match origin int(11)’)