I want to delete a particular record like:开发者_如何学Go delete from table_name where id = 1; How can I do this in a django model?There are a couple of ways:
Take a look at this model (it\'s hypothetical): class Manufacturer(models.Model): #... class Car(models.Model):
In Django, how do you query to get two different values, like in the following? profile_setting = (pSetting.objects.get(module=\"my_mod\"开发者_运维知识库, setting_value=1) or
This question already has answers here: 开发者_高级运维 How to see the raw SQL queries Django is running?
I\'d like to figure out how to query based on a composition of columns, eg the fullname of a user, without any custom SQL.Is this possible?
I want to update all rows in queryset by using annotated value. I have a simple models: class Relation(models.Model):
I am trying to change order of nodes in my tree. Everything works fine, but I would like to know if there is some beautiful, easy way of updating multiple fields by increasing its actual value by 1. L
I have a model in django that have a boolean private/public attribute: class TestModel(models.Model): name = models.CharField()
Lets say if I have a model that has lots of fields, but I only care about a charfield. Lets say that charfield can be anything so I don\'t know the possible values, but I know that the values frequent
I have the following Django 1.2 models: class Category(models.Model): name = models.CharField(max_length=25开发者_开发技巧5)