我正在尝试整合django social auth，但当facebook返回我的网站时，我收到此错误：
Warning at /complete/facebook/
Data truncated for column 'uid' at row 1
我已经使用syncdb创建了socialauth表。
这是整个追溯。
Request Method: GET
Request URL: http://queromaiseducacao.com.br/complete/facebook/?redirect_state=Xb6dUCo869qmjI4Vj5y3Jle5fgRFr0PE&code=AQAm2DSP8YDG_mdq8GFq84B6kMOHUY1axVlOLlm39gqHBR1-cLqYx0mjDilVk0FInuoiGEIr5bMJASdhzD7rS_glKqV0BNI3BMlcsHc_4wqAFvOpdGWgCM6VZy8zvWEeyKDzrbOgiyeVpPbkQ70EOfee0VvnI6-qolFqg3vbvSknEJSUIOmtxnulZeXqQWn7YDTShVRnSwCqXebKoJhcWdswXuSoX52fUQmYmCdwM4uyIexoVXB4nQa-pRU4KUdhX--Tzk56Ay_2y3SMRmj2qK9kxYzLZ1E7ZUocjks_yZlAKUS7ecdTYFKUFdf9zHsVBds&state=Xb6dUCo869qmjI4Vj5y3Jle5fgRFr0PE
Traceback:
File "/home/filipefr2/webapps/quiz/lib/python2.7/django/core/handlers/base.py" in get_response
112. response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/home/filipefr2/webapps/quiz/lib/python2.7/django/views/decorators/csrf.py" in wrapped_view
57. return view_func(*args, **kwargs)
File "/home/filipefr2/lib/python2.7/social_auth/decorators.py" in wrapper
29. return func(request, request.social_auth_backend, *args, **kwargs)
File "/home/filipefr2/lib/python2.7/social_auth/views.py" in complete
41. return complete_process(request, backend, *args, **kwargs)
File "/home/filipefr2/lib/python2.7/social_auth/views.py" in complete_process
107. user = auth_complete(request, backend, *args, **kwargs)
File "/home/filipefr2/lib/python2.7/social_auth/views.py" in auth_complete
190. return backend.auth_complete(user=user, request=request, *args, **kwargs)
File "/home/filipefr2/lib/python2.7/social_auth/backends/facebook.py" in auth_complete
164. return self.do_auth(access_token, expires=expires, *args, **kwargs)
File "/home/filipefr2/lib/python2.7/social_auth/backends/facebook.py" in do_auth
206. return authenticate(*args, **kwargs)
File "/home/filipefr2/webapps/quiz/lib/python2.7/django/contrib/auth/__init__.py" in authenticate
49. user = backend.authenticate(**credentials)
File "/home/filipefr2/lib/python2.7/social_auth/backends/__init__.py" in authenticate
114. out = self.pipeline(pipeline, *args, **kwargs)
File "/home/filipefr2/lib/python2.7/social_auth/backends/__init__.py" in pipeline
143. result = func(*args, **out) or {}
File "/home/filipefr2/lib/python2.7/social_auth/backends/pipeline/social.py" in associate_user
34. social = UserSocialAuth.create_social_auth(user, uid, backend.name)
File "/home/filipefr2/lib/python2.7/social_auth/db/base.py" in create_social_auth
194. return cls.objects.create(user=user, uid=uid, provider=provider)
File "/home/filipefr2/webapps/quiz/lib/python2.7/django/db/models/manager.py" in create
157. return self.get_queryset().create(**kwargs)
File "/home/filipefr2/webapps/quiz/lib/python2.7/django/db/models/query.py" in create
322. obj.save(force_insert=True, using=self.db)
File "/home/filipefr2/webapps/quiz/lib/python2.7/django/db/models/base.py" in save
545. force_update=force_update, update_fields=update_fields)
File "/home/filipefr2/webapps/quiz/lib/python2.7/django/db/models/base.py" in save_base
573. updated = self._save_table(raw, cls, force_insert, force_update, using, update_fields)
File "/home/filipefr2/webapps/quiz/lib/python2.7/django/db/models/base.py" in _save_table
654. result = self._do_insert(cls._base_manager, using, fields, update_pk, raw)
File "/home/filipefr2/webapps/quiz/lib/python2.7/django/db/models/base.py" in _do_insert
687. using=using, raw=raw)
File "/home/filipefr2/webapps/quiz/lib/python2.7/django/db/models/manager.py" in _insert
232. return insert_query(self.model, objs, fields, **kwargs)
File "/home/filipefr2/webapps/quiz/lib/python2.7/django/db/models/query.py" in insert_query
1514. return query.get_compiler(using=using).execute_sql(return_id)
File "/home/filipefr2/webapps/quiz/lib/python2.7/django/db/models/sql/compiler.py" in execute_sql
903. cursor.execute(sql, params)
File "/home/filipefr2/webapps/quiz/lib/python2.7/django/db/backends/util.py" in execute
69. return super(CursorDebugWrapper, self).execute(sql, params)
File "/home/filipefr2/webapps/quiz/lib/python2.7/django/db/backends/util.py" in execute
53. return self.cursor.execute(sql, params)
File "/home/filipefr2/webapps/quiz/lib/python2.7/django/db/backends/mysql/base.py" in execute
124. return self.cursor.execute(query, args)
File "/usr/local/lib/python2.7/site-packages/MySQLdb/cursors.py" in execute
176. if not self._defer_warnings: self._warning_check()
File "/usr/local/lib/python2.7/site-packages/MySQLdb/cursors.py" in _warning_check
92. warn(w[-1], self.Warning, 3)
Exception Type: Warning at /complete/facebook/
Exception Value: Data truncated for column 'uid' at row 1
那么，我的桌子出了什么问题？