加入Django模型 [英] Join over django models
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问题描述
我想在django中使用三种不同的模型在一个列表中得到结果.如何在三种模型上应用联接.
I want to get the result in one list using three different models in django. How do i apply join over three models.
class CurrentDomainChecks(models.Model):
domain = models.ForeignKey(Domains)
check_type = models.ForeignKey(CheckType)
check_date = models.DateTimeField(auto_now_add = True, primary_key=True)
check_value = models.CharField(_('check value'), max_length = 2048)
check_passed = models.BooleanField(default = False)
class DomainStatus(models.Model):
domain = models.ForeignKey(Domains)
domain_status_date = models.DateTimeField(auto_now_add=True,null = True, blank = True)
domain_status = models.IntegerField(null = True, blank = True)
class Domains(models.Model):
domain_name = models.CharField(_('domain name'), max_length = 255, unique = True)
verified = models.BooleanField(default = False)
user = models.ForeignKey(User)
date_added = models.DateTimeField(auto_now_add=True,null = True, blank = True)
date_last_changed = models.DateTimeField(auto_now=True,null = True, blank = True)
monitoring_frequency = models.CharField(_('monitoring frequency'), max_length = 20,blank = True,null = True)
def __unicode__(self):
return self.domain_name
推荐答案
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