Nested Model in Google Firestore - FireO

Nested Model

Table of contents

Model inside another model.

Example Usage

class User(Model):
    name = TextField()


class Student(Model):
    address = TextField()
    user = NestedModel(User)


u = User(name='Nested_Model')

s = Student(address="Student_address")
s.user = u
s.save()

Common mistake

Don’t save the NestedModel otherwise this model will save separately and can not be used in other model.

Invalid:Don’t save the NestedModel

u = User(name='Nested_Model')
u.save()  # Don't save nested model

s = Student(address="Student_address")
s.user = u
s.save()

Allowed Attributes

The following attributes supported by Nested Model.

• Default

  Default value for field. This is base attribute that is available in all fields.Read More

• Required

  Set True if value is required for the field. This is base attribute that is available in all fields.Read More

• Column Name

  Set different column name in Firestore instead of field name. This is base attribute that is available in all fields.Read More

• Validator

  Validate given value of field. This is base attribute that is available in all fieldsRead More