Python 如何使用GROUPBY和Join访问对象用户(django admin)?
当我使用group by和join时,如何访问对象Python 如何使用GROUPBY和Join访问对象用户(django admin)?,python,django,django-queryset,Python,Django,Django Queryset,当我使用group by和join时,如何访问对象用户(来自django administration) 我的问题是: Idea.objects.values("author_id").annotate( total=Count('author_id')) 运行此查询时,我得到以下结果: <QuerySet [{'author_id': 1, 'total': 6}, {'author_id': 2, 'total': 8}]> 我不能这样做:d.author.u
用户
(来自django administration)
我的问题是:
Idea.objects.values("author_id").annotate(
total=Count('author_id'))
运行此查询时,我得到以下结果:
<QuerySet [{'author_id': 1, 'total': 6}, {'author_id': 2, 'total': 8}]>
我不能这样做:d.author.user.email
我的模型:
class UserProfile(models.Model):
user = models.OneToOneField('auth.User', on_delete=models.PROTECT)
use_term_accept = models.NullBooleanField(default=False)
manager = models.NullBooleanField(default=False)
def __str__(self):
return self.user.username
class Idea(models.Model):
title = models.CharField(max_length=200)
creation_date = models.DateTimeField('data criação')
author = models.ForeignKey('users.UserProfile', on_delete=models.CASCADE, related_name='old_author')
authors = models.ManyToManyField('users.UserProfile', related_name='authors')
deleted = models.BooleanField(default=False)
通过将
作者用户电子邮件
添加到值
方法,可以将作者用户电子邮件
键添加到结果中
示例:
Idea.objects.values("author_id", "author__user__email").annotate(
total=Count('author_id'))
Idea.objects.values("author_id", "author__user__email").annotate(
total=Count('author_id'))