Event object definitions were not added for the header and payload metadata elements because they do not contain any data required to implement this scenario.
没有针对头部和有效负荷元数据元素添加事件对象定义，因为它们不包含实现该场景所需的任何数据。
Whatever you do to get from your result set to your data object you must do in your server-side code.
无论您执行什么操作来获取设为数据对象的结果，都必须在服务器端代码中执行。
After performing our offline Join, we can see the data in our JoinRowSet object using getter methods like we do with ResultSet objects.
在执行离线join之后，我们可以像使用ResultSet对象一样，通过getter方法查看JoinRowSet对象中的数据。
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