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我得到了他奇怪的错误。尽管我已经把all()
呼叫的多对多场 我仍然得到这个恼人的错误..haystack django TypeError:'ManyRelatedManager'对象不可迭代
class GrantIndex():
pilist = indexes.MultiValueField(model_attr='pilist',faceted=False) #then we do iteration in template. if we set this as charField, we do prepare_pilist here!
copilist = indexes.MultiValueField(model_attr='copilist',faceted=False)
# content_auto=indexes.EdgeNgramField(model_attr='title')
def get_updated_field(self):
return "lastupdated"
def get_model(self):
return Grant
def index_queryset(self,using=None):
return self.get_model().objects.all()
def prepare_pi(self, obj):
return "%s %s %s" %(obj.pi.first_name,obj.pi.last_name,obj.pi.professor.university,obj.pi.professor.academic.interests,obj.pi.professor.academic.publications)
def prepare_pilist(self, obj):
return [(p.firstname,p.lastname,p.email,p.university,p.academic.interests,p.academic.publications) for p in obj.pilist.all()]
def prepare_copilist(self, obj):
return [(p.firstname,p.lastname,p.email,p.university,p.academic.interests,p.academic.publications) for p in obj.copilist.all()]
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