[英]Infinite loop caused by ordering Django
當我嘗試從模型中刪除記錄時,出現以下錯誤:
順序導致的無限循環
class Empresa(MPTTModel):
nombre = models.CharField(max_length=35, unique=True, db_index=True)
parent = TreeForeignKey('Empresa', blank=True, null=True, related_name='children')
nivel = models.PositiveIntegerField(default=1)
class MPTTMeta:
order_insertion_by = ['nivel']
class Meta:
ordering = ['parent__id']
提前致謝
您是否嘗試過使用self
?
parent = TreeForeignKey('self', blank=True, null=True, related_name='children'
並刪除
`ordering = ['parent__id']`
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