我收到上述警告
第 1 行的“用户名”列的数据被截断
我正在为我的模型“suserprofile”获取这个，其中“用户名”作为模型中我的第一个列出的字段
我检查了 max_length 选项，这对我来说不是问题，如果我更改模型中字段的顺序（将“email_id”字段更改为模型列表中的第一个），那么我会收到替换“用户名”的警告使用模型中我首先提到的任何字段（在本例中为 email_id）。
运行 syncdb 时我没有收到此警告，但仅当我尝试通过实际运行本地浏览器使用 django 将新对象保存在我的 views.py 文件中的模型（“suserprofile”）中时才收到警告。我不明白为什么会发生
编辑：
我的模型：
class SUserProfile(models.Model):
email_id = models.EmailField(max_length=30)
username = models.CharField(max_length=50,blank=True)
first_name = models.CharField(max_length=30)
last_name = models.CharField(max_length=30)
我的观点
from django.allauth.models import SocialAccount
def profileview(request):
user=request.user
if user.is_authenticated:
a=SocialAccount.objects.filter(user=user)
try:
f=a.get(provider='facebook')
except:
f=None
if f:
fusername=f.get_provider_account
fdata=f.extra_data
ffirst_name=fdata['first_name']
flast_name=fdata['last_name']
femail=fdata.get('email')
try:
old_user=SUserProfile.objects.get(email_id=femail)
except:
new_user=SUserProfile(
username=fusername,
email_id=femail,
first_name=ffirst_name,
last_name=flast_name,)
new_user.save()
运行浏览器时收到的警告详细信息：
Exception Type: Warning
Exception Value: Data truncated for column 'email_id' at row 1
Exception Location:/usr/lib/python2.7/dist-packages/MySQLdb/cursors.py in _warning_check, line 92
Traceback Switch to copy-and-paste view
usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py in get_response
response = callback(request, *callback_args, **callback_kwargs)
...
▶ Local vars
/usr/local/lib/python2.7/dist-packages/django/contrib/auth/decorators.py in _wrapped_view
return view_func(request, *args, **kwargs)
...
▶ Local vars
/home/varun/webops/mysite/allauth/account/views.py in profileview
new_user.save()
...
▶ Local vars
/usr/local/lib/python2.7/dist-packages/django/db/models/base.py in save
self.save_base(using=using, force_insert=force_insert, force_update=force_update)
...
▶ Local vars
/usr/local/lib/python2.7/dist-packages/django/db/models/base.py in save_base
result = manager._insert([self], fields=fields, return_id=update_pk, using=using, raw=raw)
...
▶ Local vars
/usr/local/lib/python2.7/dist-packages/django/db/models/manager.py in _insert
return insert_query(self.model, objs, fields, **kwargs)
...
▶ Local vars
/usr/local/lib/python2.7/dist-packages/django/db/models/query.py in insert_query
return query.get_compiler(using=using).execute_sql(return_id)
...
▶ Local vars
/usr/local/lib/python2.7/dist-packages/django/db/models/sql/compiler.py in execute_sql
cursor.execute(sql, params)
...
▶ Local vars
/usr/local/lib/python2.7/dist-packages/django/db/backends/util.py in execute
return self.cursor.execute(sql, params)
...
▶ Local vars
/usr/local/lib/python2.7/dist-packages/django/db/backends/mysql/base.py in execute
return self.cursor.execute(query, args)
...
▶ Local vars
/usr/lib/python2.7/dist-packages/MySQLdb/cursors.py in execute
if not self._defer_warnings: self._warning_check()
...
▶ Local vars
/usr/lib/python2.7/dist-packages/MySQLdb/cursors.py in _warning_check
warn(w[-1], self.Warning, 3)
...
▶ Local vars