HarmonyOS 鸿蒙Next官方文档的关系型数据库示例代码没法有效运行

getRdbStore() {
  const STORE_CONFIG: relationalStore.StoreConfig = {
    name: "RdbTest.db",
    securityLevel: relationalStore.SecurityLevel.S1
  };

  relationalStore.getRdbStore(this.context, STORE_CONFIG,
    (err: BusinessError, rdbStore: relationalStore.RdbStore) => {
      this.store = rdbStore;
      if (err) {
        console.error(`WRYCHH Get RdbStore failed, code is ${err.code},message is ${err.message}`);
        return;
      }
      console.info('WRYCHH Get RdbStore successfully.');
      this.insert();
    })
}

insert() {
  let value1 = "Lisa";
  let value2 = 18;
  let value3 = 100.5;
  let value4 = new Uint8Array([1, 2, 3, 4, 5]);
  const valueBucket: ValuesBucket = {
    'NAME': value1,
    'AGE': value2,
    'SALARY': value3,
    'CODES': value4,
  };

  if (this.store != undefined) {
    const SQL_CREATE_TABLE = 'CREATE TABLE IF NOT EXISTS EMPLOYEE (ID INTEGER PRIMARY KEY AUTOINCREMENT, NAME TEXT NOT NULL, AGE INTEGER, SALARY REAL, CODES BLOB, IDENTITY UNLIMITED INT)'; // 建表Sql语句，IDENTITY为bigint类型，sql中指定类型为UNLIMITED INT

    // 当数据库创建时，数据库默认版本为0
    if (this.store.version === 0) {
      this.store.executeSql(SQL_CREATE_TABLE); // 创建数据表
      // 设置数据库的版本，入参为大于0的整数
      this.store.version = 1;
    }

    this.store.insert("EMPLOYEE", valueBucket, 
      (err: BusinessError, rowId: number) => {
        if (err) {
          console.error(`WRYCHH Insert is failed, code is ${err.code},message is ${err.message}`);
          return;
        }
        console.info(`WRYCHH Insert is successful, rowId = ${rowId}`);
      })
  }
}