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class ActiveRecord::EagerLoadPolymorphicError

This error is raised when trying to eager load a polymorphic association using a JOIN. Eager loading polymorphic associations is only possible with ActiveRecord::Relation#preload.

Inherits From

Public class methods

Source code GitHub
# File activerecord/lib/active_record/associations.rb, line 244
def initialize(reflection = nil)
  if reflection
    super("Cannot eagerly load the polymorphic association #{}")
    super("Eager load polymorphic error.")

Definition files