用Django-Haystack在几个桌子中搜索
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18-09-2019 - |
题
我有下面显示的餐厅和评论模型。评论模型有餐厅的外国钥匙。如何在一些餐厅领域和评论模型的评论字段中进行搜索,该餐厅返回餐厅实例列表?
谢谢
class Restaurant(models.Model):
name = models.CharField(max_length=100)
country=models.ForeignKey(Country)
city=models.ForeignKey(City)
street=models.CharField(max_length=100)
street_number=models.PositiveSmallIntegerField()
postal_code=models.PositiveIntegerField(blank=True, null=True)
slug = models.SlugField(unique=True)
class Comment(models.Model):
user = models.ForeignKey(User)
restaurant = models.ForeignKey(Restaurant)
submit_date = models.DateTimeField(blank = True, null = False)
comment = models.TextField()
解决方案
我认为您应该阅读手册: http://django-haystack.readthedocs.org/en/latest/tutorial.html
寻找多价:
class RestaurantIndex(indexes.SearchIndex):
comments = indexes.MultiValueField()
def prepare_comments(self, obj):
return [a for a in obj.comment_set.all()]
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