我有两个模型:

class Question(models.Model):
    question_text = models.TextField()

class Response(models.Model):
    response_text = models.TextField()
    question = models.ForeignKey(Question, related_name='responses', on_delete=models.CASCADE)


我有一个干草堆搜索索引来索引所有Questionquestion_text

class QuestionIndex(indexes.SearchIndex, indexes.Indexable):
    text = indexes.CharField(document=True, use_template=True)
    question_text = indexes.CharField(model_attr='question_text')
    def get_model(self):
        return Question


如何为所有response_text编制索引,以便在搜索Question时得到与question_text匹配的所有问题以及与response_text匹配的所有问题?我想要类似的东西:

class QuestionIndex(indexes.SearchIndex, indexes.Indexable):
    text = indexes.CharField(document=True, use_template=True)
    question_text = indexes.CharField(model_attr='question_text')
    response_text = indexes.CharField(model_attr='responses__response_text')
    def get_model(self):
        return Question


终极问题:如何使用此response_text类为所有QuestionIndex编制索引?

最佳答案

您可以为该字段提供prepare_ method,以指定要对哪些数据建立索引:

class QuestionIndex(indexes.SearchIndex, indexes.Indexable):
    text = indexes.CharField(document=True, use_template=True)
    question_text = indexes.CharField(model_attr='question_text')
    response_text = indexes.CharField()

    def prepare_response_text(self, obj):
        return ', '.join([r.response_text for r in obj.responses.all()])

关于python - 干草堆索引对象使用它们的反向关系,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/38758617/

10-14 18:13
查看更多