Question

models.py

class Engineer(models.Model):
    full_name = models.CharField(max_length=60, unique = True)

    def __unicode__(self):
        return '%s,%s'% (self.id,self.full_name)

class TestcaseCache(models.Model):
    name = models.CharField(max_length=60)
    package_name = models.CharField(max_length=100)
    summary = models.TextField()
    pre_requisite = models.TextField(blank = True,null=True)
    author_id = models.ForeignKey(Engineer, related_name = 'author')

views.py

这里我想按作者名称对testcasecache数据进行排序，但在testcasecache表中有工程师表的外键而不是工程师的名字，我想按工程师名称对testcasecache表进行排序

global flag
if flag==0:                       
    testcase_object_array=TestcaseCache.objects.filter(project=pid).filter(feature=fid).order_by('-author_id')
    flag=1
else:
    flag=0                
    testcase_object_array=TestcaseCache.objects.filter(project=pid).filter(feature=fid).order_by('author_id')

Answer 1

您可以使用两个下划线进行相关查找;

TestcaseCache.objects.filter(project=pid).filter(feature=fid).order_by('author_id__name')

或

TestcaseCache.objects.filter(project=pid).filter(feature=fid).order_by('-author_id__name')

建议：不要将id用于外键，我的意思是使用author而不是author_id。过滤器可以采用所有参数;

TestcaseCache.objects.filter(project=pid, feature=fid).order_by('author__name')

如何在django中对两个表数据进行排序

1 个答案: