遷移django是遇到異常：
Traceback (most recent call last):
? File "manage.py", line 15, in <module>
? ? execute_from_command_line(sys.argv)
? File "/usr/local/lib/python3.5/dist-packages/django/core/management/__init__.py", line 381, in execute_from_command_line
? ? utility.execute()
? File "/usr/local/lib/python3.5/dist-packages/django/core/management/__init__.py", line 375, in execute
? ? self.fetch_command(subcommand).run_from_argv(self.argv)
? File "/usr/local/lib/python3.5/dist-packages/django/core/management/base.py", line 323, in run_from_argv
? ? self.execute(*args, **cmd_options)
? File "/usr/local/lib/python3.5/dist-packages/django/core/management/base.py", line 364, in execute
? ? output = self.handle(*args, **options)
? File "/usr/local/lib/python3.5/dist-packages/django/core/management/base.py", line 83, in wrapped
? ? res = handle_func(*args, **kwargs)
? File "/usr/local/lib/python3.5/dist-packages/django/core/management/commands/makemigrations.py", line 101, in handle
? ? loader.check_consistent_history(connection)
? File "/usr/local/lib/python3.5/dist-packages/django/db/migrations/loader.py", line 283, in check_consistent_history
? ? applied = recorder.applied_migrations()
? File "/usr/local/lib/python3.5/dist-packages/django/db/migrations/recorder.py", line 73, in applied_migrations
? ? if self.has_table():
? File "/usr/local/lib/python3.5/dist-packages/django/db/migrations/recorder.py", line 56, in has_table
? ? return self.Migration._meta.db_table in self.connection.introspection.table_names(self.connection.cursor())
? File "/usr/local/lib/python3.5/dist-packages/django/db/backends/base/base.py", line 256, in cursor
? ? return self._cursor()
? File "/usr/local/lib/python3.5/dist-packages/django/db/backends/base/base.py", line 233, in _cursor
? ? self.ensure_connection()
? File "/usr/local/lib/python3.5/dist-packages/django/db/backends/base/base.py", line 217, in ensure_connection
? ? self.connect()
? File "/usr/local/lib/python3.5/dist-packages/django/db/backends/base/base.py", line 197, in connect
? ? self.init_connection_state()
? File "/usr/local/lib/python3.5/dist-packages/django/db/backends/mysql/base.py", line 231, in init_connection_state
? ? if self.features.is_sql_auto_is_null_enabled:
? File "/usr/local/lib/python3.5/dist-packages/django/utils/functional.py", line 80, in __get__
? ? res = instance.__dict__[self.name] = self.func(instance)
? File "/usr/local/lib/python3.5/dist-packages/django/db/backends/mysql/features.py", line 82, in is_sql_auto_is_null_enabled
? ? cursor.execute('SELECT @@SQL_AUTO_IS_NULL')
? File "/usr/local/lib/python3.5/dist-packages/django/db/backends/utils.py", line 103, in execute
? ? sql = self.db.ops.last_executed_query(self.cursor, sql, params)
? File "/usr/local/lib/python3.5/dist-packages/django/db/backends/mysql/operations.py", line 146, in last_executed_query
? ? query = query.decode(errors='replace')
AttributeError: 'str' object has no attribute 'decode'
順著異常文件點進去找到：
query = query.decode(errors=‘replace’)
將decode改為encode
或者注釋掉判斷即可。
