activerecord/lib/active_record/association_relation.rb


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module ActiveRecord
  class AssociationRelation < Relation
    def initialize(klass, table, predicate_builder, association)
      super(klass, table, predicate_builder)
      @association = association
    end

    def proxy_association
      @association
    end

    def ==(other)
      other == records
    end

    def build(*args, &block)
      scoping { @association.build(*args, &block) }
    end
    alias new build

    def create(*args, &block)
      scoping { @association.create(*args, &block) }
    end

    def create!(*args, &block)
      scoping { @association.create!(*args, &block) }
    end

    private

      def exec_queries
        super do |r|
          @association.set_inverse_instance r
          yield r if block_given?
        end
      end
  end
end