activerecord/lib/active_record/type_caster/map.rb


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module ActiveRecord
  module TypeCaster
    class Map
      def initialize(types)
        @types = types
      end

      def type_cast_for_database(attr_name, value)
        return value if value.is_a?(Arel::Nodes::BindParam)
        type = types.type_for_attribute(attr_name.to_s)
        type.serialize(value)
      end

      protected

      attr_reader :types
    end
  end
end