django-select-related

相关标签：javascript jquery android 多少钱 iPhone

Django query with related models shows only fields of one model

I have three related models and want to make a query to get a combination of fields fromall three models.[详细]

2023-04-11 19:12 分类：问答
How can I mimic 'select_related' using google-appengine and django-nonrel?

django nonrel\'s documentation states: \"you have to manually write code for merging the results of multiple queries (JOINs, select_related(), etc.)\".[详细]

2023-03-29 13:05 分类：问答
django - dynamic select fields in forms

I have a model called picks that allows users to select an nfl team (from a static list).Whenever they choose a team, they can no longer choose that team again, so there selection choices are reduced[详细]

2023-03-08 09:28 分类：问答
In Django, Can I `defer()` fields in an object that's being queried by `select_related()`

In my Django app I want to use select_related() on a QuerySet to \"follow\" a ForeignKey field, but I only need to access a few of the fields on the \"followed\" model instance. Can I use the defer()[详细]

2023-03-03 06:44 分类：问答
A tough relationship with Django

Take a look at this model (it\'s hypothetical): class Manufacturer(models.Model): #... class Car(models.Model):[详细]

2023-01-17 13:36 分类：问答
A left outer reverse select_related in Django?

Imagine the following model: class Parent(Model): ... class Child(Model) father = ForeignKey(Parent) ... Some parents have children, others do not (they\'re not parents in the real meaning, it\'s[详细]

2023-01-02 02:15 分类：问答
Django ORM - select_related and order_by with foreign keys

I have a simple music schema: Artist, Release, Track, and Song.The first 3 are all logical constructs while the fourth (Song) is a specific instance of an (Artist, Release, Track) as an mp3, wav, ogg,[详细]

2022-12-09 01:03 分类：问答