问题

django migrate 报错

• 在本地执行的时候发现没问题，到了服务器就不行了，报错

  Operations to perform:
    Apply all migrations: bank_detections
  Running migrations:
  Traceback (most recent call last):
    File "/var/www/bank_detection/venv_bank/lib/python3.5/site-packages/django/db/backends/utils.py", line 82, in _execute
  return self.cursor.execute(sql)
    File "/var/www/bank_detection/venv_bank/lib/python3.5/site-packages/django/db/backends/mysql/base.py", line 71, in execute
  return self.cursor.execute(query, args)
    File "/var/www/bank_detection/venv_bank/lib/python3.5/site-packages/MySQLdb/cursors.py", line 206, in execute
  res = self._query(query)
    File "/var/www/bank_detection/venv_bank/lib/python3.5/site-packages/MySQLdb/cursors.py", line 312, in _query
  db.query(q)
    File "/var/www/bank_detection/venv_bank/lib/python3.5/site-packages/MySQLdb/connections.py", line 224, in query
  _mysql.connection.query(self, query)
  MySQLdb._exceptions.ProgrammingError: (1064, "You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '(6) NOT NULL)' at line 1")

解决

更换Django的版本

• MySQL5.5并不支持Django2.1生成的这种SQL语句，更换Django的版本或者是换MySQL的版本，我选择的是更换Django版本

  pip install mysqlclient==1.4.2
  pip install Django==2.0.5

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