当我syncdb
,我得到很多这样的错误:
transcription.transcription1: Accessor for field 'participant_content_type' clashes with related field 'ContentType.auxi
liary_model_as_participant'. Add a related_name argument to the definition for 'participant_content_type'.
transcription.transcription1: Reverse query name for field 'participant_content_type' clashes with related field 'Conten
tType.auxiliary_model_as_participant'. Add a related_name argument to the definition for 'participant_content_type'.
我的模型已经有相关的名称:
# my base class which I intend to inherit from in many places.
# Many types of AuxiliaryModel will point at participant/match objects.:
class AuxiliaryModel(models.Model):
participant_content_type = models.ForeignKey(ContentType,
editable=False,
related_name = 'auxiliary_model_as_participant')
participant_object_id = models.PositiveIntegerField(editable=False)
participant = generic.GenericForeignKey('participant_content_type',
'participant_object_id',
)
match_content_type = models.ForeignKey(ContentType,
editable=False,
related_name = 'auxiliary_model_as_match')
match_object_id = models.PositiveIntegerField(editable=False)
match = generic.GenericForeignKey('match_content_type',
'match_object_id',
)
class Meta:
abstract = True
class Transcription(AuxiliaryModel):
transcription = models.TextField(max_length=TRANSCRIPTION_MAX_LENGTH,
null=True)
class Meta:
abstract = True
class Transcription1(Transcription):
pass
class Transcription2(Transcription):
pass
class Transcription3(Transcription):
pass
当我注释掉Transcription2
and时,问题就消失了Transcription3
,所以似乎 related_names 发生了冲突。我必须让它们独一无二吗?如果是这样,有没有办法做到这一点而不必在每个子类中编写样板代码?