是通过调用`delete()`方法来删除。MpttModel是Django中用于实现树形结构的模型,它基于MPTT(Modified Preorder Tree Traversal)算法。 删除所有...
I have a django model as follows: (it has both the mptt and the regular model) from django.db import models from mptt.models import MPTTModel, TreeForeignKey class deg_course_cat(models.Model): degree_code = models.CharField(max_length=24) specialization = models.CharField(max_length=48) ...
model_list = []formodel_classindjango.apps.apps.get_models():# several validation checks to assert models will be syncing correctlyifissubclass(model_class, SyncableModel): name = model_class.__name__if_multiple_self_ref_fk_check(model_class):raiseInvalidMorangoModelConfiguration("Syncing models ...
model_list = []formodel_classindjango.apps.apps.get_models():# several validation checks to assert models will be syncing correctlyifissubclass(model_class, SyncableModel): name = model_class.__name__if_multiple_self_ref_fk_check(model_class):raiseInvalidMorangoModelConfiguration("Syncing models ...