# File lib/model/active_record.rb, line 54
      def extjs_type(col)
        type = col.type.to_s
        case type
          when "datetime", "date", "time", "timestamp"
            type = "date"
          when "text"
            type = "string"
          when "integer"
            type = "int"
          when "decimal"
            type = "float"
        end
        type
      end