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Showing posts with the label Django Orm

Django - Multiple Db + Multiple Models

I have two databases and two models:one the admin and the is user. I want to sync my models to the … Read more Django - Multiple Db + Multiple Models

Geodjango Query: All Point That Are Contained Into A Multi Polygon

I have two models: Model_A that contains a GeoDjango Point; Model_B that contains a GeoDjnago Mult… Read more Geodjango Query: All Point That Are Contained Into A Multi Polygon

How To Aggregate The Average Of A Calculation Based On Two Columns?

I want to write a Django query to give me the average across all rows in my table. My model looks l… Read more How To Aggregate The Average Of A Calculation Based On Two Columns?

Django - Multiple Databases

So I'm somewhat new to the whole Django databases and maybe I just don't fully understand t… Read more Django - Multiple Databases

Django Orm, Group By Day

I am trying to group products by DAY, however date_created is a datetime field. Product.objects.val… Read more Django Orm, Group By Day

Django Orm - Left Outer Join With Two Columns?

This is the relevant code: class Book(models.Model): name = models.CharField(max_length=50) c… Read more Django Orm - Left Outer Join With Two Columns?

Pivoting Data And Complex Annotations In Django Orm

The ORM in Django lets us easily annotate (add fields to) querysets based on related data, hwoever … Read more Pivoting Data And Complex Annotations In Django Orm

Django Filter Liked Posts By User

Post model class Post(models.Model): likes = models.ManyToManyField(User, related_name='lik… Read more Django Filter Liked Posts By User

How To Calculate If Age Is In Range From The Birth Year ,while Fetching The Birth Year From Db In Django Orm

I have a model which consists of id, name and birth year.I want to query this model to get the nam… Read more How To Calculate If Age Is In Range From The Birth Year ,while Fetching The Birth Year From Db In Django Orm

Per-transaction Isolation Level In Django Orm

Is it possible to set isolation level for custom transaction (but not with raw sql)? For example, s… Read more Per-transaction Isolation Level In Django Orm

When Does Django Look Up The Primary Key Of Foreign Keys?

I have two simple models, one representing a movie an the other representing a rating for a movie. … Read more When Does Django Look Up The Primary Key Of Foreign Keys?

How To Add Filters To A Query Dynamically In Django?

In my viewSet I am doing a query, queryset= Books.objects.all(); Now from an ajax call I get my fi… Read more How To Add Filters To A Query Dynamically In Django?

Django ORM - LEFT OUTER JOIN With Two Columns?

This is the relevant code: class Book(models.Model): name = models.CharField(max_length=50) c… Read more Django ORM - LEFT OUTER JOIN With Two Columns?

GeoDjango Query: All Point That Are Contained Into A Multi Polygon

I have two models: Model_A that contains a GeoDjango Point; Model_B that contains a GeoDjnago Mult… Read more GeoDjango Query: All Point That Are Contained Into A Multi Polygon

Per-transaction Isolation Level In Django ORM

Is it possible to set isolation level for custom transaction (but not with raw sql)? For example, s… Read more Per-transaction Isolation Level In Django ORM