filter(rating__lt=F('number_of_comments') + F('number_of_pingbacks')) You can also use the double underscore notation to span relationships in an F() object. An F() object with a double underscore will introduce any be aggregated in an aggregate function, Django will allow you to use the same double underscore notation that is used when referring to related fields in filters. Django will then handle any table joins need for exception catching: >>> hasattr(p2, 'restaurant') False Set the place using assignment notation. Because place is the primary key on Restaurant, the save will create a new restaurant: >>> r.place

filter(rating__lt=F("number_of_comments") + F("number_of_pingbacks")) You can also use the double underscore notation to span relationships in an F() object. An F() object with a double underscore will introduce any the text value of a key, index, or path transform of JSONField. You can use the double underscore notation in lookup to chain dictionary key and index transforms. For example: >>> from django.db.models be aggregated in an aggregate function, Django will allow you to use the same double underscore notation that is used when referring to related fields in filters. Django will then handle any table joins

filter(rating__lt=F("number_of_comments") + F("number_of_pingbacks")) You can also use the double underscore notation to span relationships in an F() object. An F() object with a double underscore will introduce any the text value of a key, index, or path transform of JSONField. You can use the double underscore notation in lookup to chain dictionary key and index transforms. For example: >>> from django.db.models be aggregated in an aggregate function, Django will allow you to use the same double underscore notation that is used when referring to related fields in filters. Django will then handle any table joins

filter(rating__lt=F("number_of_comments") + F("number_of_pingbacks")) You can also use the double underscore notation to span relationships in an F() object. An F() object with a double underscore will introduce any the text value of a key, index, or path transform of JSONField. You can use the double underscore notation in lookup to chain dictionary key and index transforms. For example: >>> from django.db.models be aggregated in an aggregate function, Django will allow you to use the same double underscore notation that is used when referring to related fields in filters. Django will then handle any table joins

filter(rating__lt=F('number_of_comments') + F('number_of_pingbacks')) You can also use the double underscore notation to span relationships in an F() object. An F() object with a double underscore will introduce any be aggregated in an aggregate function, Django will allow you to use the same double underscore notation that is used when referring to related fields in filters. Django will then handle any table joins Release 2.2.29.dev20220411083753 >>> hasattr(p2, 'restaurant') False Set the place using assignment notation. Because place is the primary key on Restaurant, the save will create a new restaurant: >>> r.place

filter(rating__lt=F('number_of_comments') + F('number_of_pingbacks')) You can also use the double underscore notation to span relationships in an F() object. An F() object with a double underscore will introduce any be aggregated in an aggregate function, Django will allow you to use the same double underscore notation that is used when referring to related fields in filters. Django will then handle any table joins need for exception catching: >>> hasattr(p2, 'restaurant') False Set the place using assignment notation. Because place is the primary key on Restaurant, the save will create a new restaurant: >>> r.place

filter(rating__lt=F('number_of_comments') + F('number_of_pingbacks')) You can also use the double underscore notation to span relationships in an F() object. An F() object with a double underscore will introduce any be aggregated in an aggregate function, Django will allow you to use the same double underscore notation that is used when referring to related fields in filters. Django will then handle any table joins Release 4.0.11.dev20230214085346 >>> hasattr(p2, 'restaurant') False Set the place using assignment notation. Because place is the primary key on Restaurant, the save will create a new restaurant: >>> r.place

filter(rating__lt=F('number_of_comments') + F('number_of_pingbacks')) You can also use the double underscore notation to span relationships in an F() object. An F() object with a double underscore will introduce any be aggregated in an aggregate function, Django will allow you to use the same double underscore notation that is used when referring to related fields in filters. Django will then handle any table joins Documentation, Release 3.2.21.dev >>> hasattr(p2, 'restaurant') False Set the place using assignment notation. Because place is the primary key on Restaurant, the save will create a new restaurant: >>> r.place

filter(rating__lt=F('number_of_comments') + F('number_of_pingbacks ˓→')) You can also use the double underscore notation to span relationships in an F() object. An F() object with a double underscore will introduce any be aggregated in an aggregate function, Django will allow you to use the same double underscore notation that is used when referring to related fields in filters. Django will then handle any table joins need for exception catching: >>> hasattr(p2, 'restaurant') False Set the place using assignment notation. Because place is the primary key on Restaurant, the save will create a new restaurant: >>> r.place

filter(rating__lt=F('number_of_comments') + F('number_of_pingbacks ˓→')) You can also use the double underscore notation to span relationships in an F() object. An F() object with a double underscore will introduce any be aggregated in an aggregate function, Django will allow you to use the same double underscore notation that is used when referring to related fields in filters. Django will then handle any table joins need for exception catching: >>> hasattr(p2, 'restaurant') False Set the place using assignment notation. Because place is the primary key on Restaurant, the save will create a new restaurant: >>> r.place