class TruncSecond(expression, output_field=None, tzinfo=None, **extra) [source]

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

class Extract(expression, lookup_name=None, tzinfo=None, **extra) [source] Extracts a component

class TruncMinute(expression, output_field=None, tzinfo=None, **extra) [source]

class TruncDate(expression, **extra) [source] lookup_name =

in_bulk(id_list=None) Takes a list of primary-key values and returns a dictionary mapping each primary-key value to an instance

arity New in Django 1.10. A class attribute

ManyToManyField.limit_choices_to Same as ForeignKey.limit_choices_to. li

filter(**kwargs) Returns a new QuerySet containing objects that match the given lookup parameters.

class StdDev(expression, sample=False, **extra) [source] Returns the standard deviation of