activerecord/lib/active_record/associations/preloader/has_many_through.rb


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# frozen_string_literal: true
module ActiveRecord
  module Associations
    class Preloader
      class HasManyThrough < CollectionAssociation #:nodoc:
        include ThroughAssociation

        def associated_records_by_owner(preloader)
          records_by_owner = super

          if reflection_scope.distinct_value
            records_by_owner.each_value(&:uniq!)
          end

          records_by_owner
        end
      end
    end
  end
end