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django-polymorphic / django-polymorphic-tree

Polymorphic MPTT tree support for models
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Error when passing filter arguments to get_previous_sibling/get_next_sibling methods #72

Open kindlycat opened 5 years ago

kindlycat commented 5 years ago 
class Page(PolymorphicMPTTModel):
    parent = PolymorphicTreeForeignKey(
        to='self',
        blank=True,
        null=True,
        related_name='children',
        verbose_name='parent',
        on_delete=models.CASCADE
    )
    title = models.CharField('Title', max_length=100)
    is_public = models.BooleanField(default=True)

class HTMLPage(Page):
    pass

class TypedPage(Page):
    pass
page = Page.objects.first()
page.get_next_sibling(**{'is_public': True}) 

ProgrammingError: column app_typedpage.id does not exist
LINE 1: SELECT "app_typedpage"."id", "app_typedpage"."polymorphic_ct...