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db.models.Transform.output_field

output_field

Defines the class this transformation outputs. It must be a Field instance. By default is the same as its lhs.output_field.

Links:

https://docs.djangoproject.com/en/1.10/ref/models/lookups/#django.db.models.Transform.output_field

doc_Django

2016-10-09 18:36:25

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db.models.Transform class Transform [source] A Transform is a generic class to implement field transformations. A prominent example is __year that transforms a DateFi

db.models.Transform.lhs lhs The left-hand side - what is being transformed. It must follow the Query Expression API.

db.models.Transform.bilateral bilateral A boolean indicating whether this transformation should apply to both lhs and rhs. Bilateral transformations will be applied to rhs in t

db.models.Transform.lookup_name lookup_name The name of the lookup, used for identifying it on parsing query expressions. It cannot contain the string "__".

db.models.output_field output_field Defines the type of class returned by the get_lookup() method. It must be a Field instance.