json.rb

module ActiveRecord
  module ConnectionAdapters
    module PostgreSQL
      module OID # :nodoc:
        class Json < Type::Value # :nodoc:
          include Type::Mutable

          def type
            :json
          end

          def type_cast_from_database(value)
            ConnectionAdapters::PostgreSQLColumn.string_to_json(value)
          end

          def type_cast_for_database(value)
            ConnectionAdapters::PostgreSQLColumn.json_to_string(value)
          end

          def accessor
            ActiveRecord::Store::StringKeyedHashAccessor
          end
        end
      end
    end
  end
end