class FieldGetDbPrepValueMixin

from django.db.models.lookups import FieldGetDbPrepValueMixin 
Some lookups require Field.get_db_prep_value() to be called on their
inputs.

Ancestors (MRO)

  1. builtins.object
  2. django.db.models.lookups.FieldGetDbPrepValueMixin

Attributes

AttributeValueDefined in

Methods

def get_db_prep_lookup(self, value, connection)
django.db.models.lookups.FieldGetDbPrepValueMixin 
    def get_db_prep_lookup(self, value, connection):
        # For relational fields, use the 'target_field' attribute of the
        # output_field.
        field = getattr(self.lhs.output_field, "target_field", None)
        get_db_prep_value = (
            getattr(field, "get_db_prep_value", None)
            or self.lhs.output_field.get_db_prep_value
        )
        return (
            "%s",
            (
                [get_db_prep_value(v, connection, prepared=True) for v in value]
                if self.get_db_prep_lookup_value_is_iterable
                else [get_db_prep_value(value, connection, prepared=True)]
            ),
        )