belongs_to polymorphic association assignments update the foreign_id and...
belongs_to polymorphic association assignments update the foreign_id and foreign_type fields regardless of whether the record being assigned is new or not. fixes the following scenarios: * I have validates_inclusion_of on the type field for a polymorphic belongs_to association. I assign a new record to the model's polymorphic relationship of the proper type. validation fails because the type field has not been updated. * I replace the value for a ppolymorphic association to a new record of another class. The type field still says its the previous class, and the id field points to the previous record as well.
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