Hello everybody
I have a model with self reference foreign key :
class Categories(Model.model):
category = Model.CharField(...)
parent_category = Model.ForeignKey(self, ...)
url = Model.CharField(....)
an i want to remove items from this table given the url of a category
this is a peace of the table :
ID category id_parent_category url
1 blabla NULL NULL #this
is a root category
2 blala 1 http://www.blabla
know for removing the category of the url http://www.blabla i do like
this
category = Categories.objects.get(url = "http://www.blabla";)
category.delete()
but i want to remove also the parent category so i used the the
cascade deleting by default and i write in the model a function
delete_all() :
def delete_all():
category = Categories.objects.get(url = "....")
while category.parent_category :
category = category.parent_category
category.delete()
and i called like this :
category = Categories.objects.get(url = "http://www.blabla";)
category.delete_all()
the problem now it's that i have lot of categories in the table and
with this way it's take lot of time to remove them.
someone have a better idea to remove them , and sorry for this long
post
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