aggregate(*args, **kwargs) Returns a dictionary of aggregate values (averages, sums, etc.) calculated over the QuerySet

class BigAutoField(**options) [source] New in

desc() Returns the expression ready to be sorted in descending order.

FieldFile.url A read-only property to access the file’s relative URL by calling the

class Upper(expression, **extra) [source] Accepts a single text field or expression and returns

class NullBooleanField(**options) [source] Like a BooleanField, but allows NULL

class Cast(expression, output_field) [source] New

class Count(expression, distinct=False, **extra) [source] Returns the number of objects that

class FloatField(**options) [source] A floating-point number represented in Python by a float

OneToOneField.parent_link When True and used in a model which inherits from another concrete