Options.label New in Django 1.9. Representation

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

distinct(*fields) Returns a new QuerySet that uses SELECT DISTINCT in its SQL query. This eliminates

datetimes(field_name, kind, order='ASC', tzinfo=None) Returns a QuerySet that evaluates to a list of

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

class Cast(expression, output_field) [source] New

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

get_source_expressions() Returns an ordered list of inner expressions. For example:

convert_value(self, value, expression, connection, context) A hook allowing the expression to coerce value into

db The database that will be used if this query is executed now.