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Showing posts with the label Django Orm

Getting The Many-to-many Fields Of A Many-to-many Object

If I have the user-group relation as a ManyToMany relationship, and a group-team relation as a Many… Read more Getting The Many-to-many Fields Of A Many-to-many Object

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

Annotate Custom Sql Function (similar To Date_trunc) To Django Orm Queryset

I am using timescaledb which is basically just an extension for postgres. It comes with a SQL funct… Read more Annotate Custom Sql Function (similar To Date_trunc) To Django Orm Queryset

Save List Of Records And Fields Into Django Model

I receive this list from my website admin: [['present', '2'],['present', &#… Read more Save List Of Records And Fields Into Django Model

Django Manytomany Field Through With Extra Fields Does Not Show On Both Relations

I have a class Assembly class Assembly(models.Model): room = models.ForeignKey('Room',… Read more Django Manytomany Field Through With Extra Fields Does Not Show On Both Relations

How To Use The Orm For The Equivalent Of A Sql Count, Group And Join Query?

I have tags which can be associated with images and locations. Tags are unique. Images and locatio… Read more How To Use The Orm For The Equivalent Of A Sql Count, Group And Join Query?

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

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

Query For Values Based On Date W/ Django Orm

I have a bunch of objects that have a value and a date field: obj1 = Obj(date='2009-8-20',… Read more Query For Values Based On Date W/ 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?

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

Django Custom User Field Clashes With AbstractBaseUser

I am building a Django project from an existing database. The database is being used by other syste… Read more Django Custom User Field Clashes With AbstractBaseUser

Annotate Custom SQL Function (similar To Date_trunc) To Django ORM Queryset

I am using timescaledb which is basically just an extension for postgres. It comes with a SQL funct… Read more Annotate Custom SQL Function (similar To Date_trunc) To Django ORM Queryset

In Django ORM, "values" And "annotate" Are Not Working To Group By

I have a table like this: Now I want to sum up the meals on each date. I have written the code bel… Read more In Django ORM, "values" And "annotate" Are Not Working To Group By

How To Implement Followers/following In Django

I want to implement the followers/following feature in my Django application. I've an UserProfi… Read more How To Implement Followers/following In Django