                 case .String: return BaseString.self
                 case .Date: return NSDate.self
                 case .Raw: return NSData.self
+                case .Bool: return BaseBool.self
                 }
             }
         }

        public var name: String
        public var type: Type?
        public var PK = false
        public var unique = false
        public var nullable = true
        public var length: Int?

        }
        if PK {
            string += " PRIMARY KEY"
            if autoIncrement {
                string += " AUTOINCREMENT"
            }
        }
        return string
    }
