I am wondering how to access a user\'s profile when creating the queryset for a ModelChoiceField. I would like to be able to use the
Is there a way to concatenate a unknown number of querysets into a list? Here are my models: class Item(models.Model):
Here are two example Django models. Pay special attention to the has_pet method. class Person(models.Model):
In Django, queryset provides a method called get_or_create that either returns an objects or creates an object.
So, I have a Person model and then I have a model name Carusage. The relevant part of Carusage is this:
I have the following structure of models : parent Park child Warehouse(foreign key with Park, related_name = park_warehouses)
I have this filtering mechanism that works, however, it is not very elegant.There has to be a better way to write this.Any recommendations would be greatly appreciated.
I have a model called MessagePerson which has the fields of details which depict the messages for a particular person, who\'s details are in Personal models.
How many database queries will be executed for the following code: q = SomeModel.objec开发者_如何转开发ts.filter(pk__in=ids)
It is possible to limiting QuerySet in this kind of way: creators_list = [\'jane\',开发者_Go百科 \'tarzan\', \'chita\']
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