process_lhs(compiler, connection, lhs=None) [source] Returns a tuple (lhs_string, lhs_params)

count() Returns an integer representing the number of objects in the database matching the QuerySet. The count()

ImageField.width_field Name of a model field which will be auto-populated with the width of the image each time the model instance

Options.label_lower New in Django 1.9. Representation

DateField.auto_now_add Automatically set the field to now when the object is first created. Useful for creation of timestamps

class BigIntegerField(**options) [source] A 64-bit integer, much like an IntegerField

class ExtractDay(expression, tzinfo=None, **extra) [source] lookup_name

class ExtractYear(expression, tzinfo=None, **extra) [source] lookup_name

Model.get_previous_by_FOO(**kwargs) For every

prefetch_related(*lookups) Returns a QuerySet that will automatically retrieve, in a single batch, related objects