如果有错误，则更新事件状态并在本地对失败做标记，以便下一个事件记录进行处理。
If there are any errors, the event status is updated and a failure is marked locally for next event record processing.
您将名称、日期和删除标记的新值传递到更新服务以更新数据库中的记录。
You pass the new values of name, date, and the deleted flag to the update service for updating the record in the database.
合并意味着如果相同的记录被更新，或者在缓冲区内被多次标记为脏数据，则只保证最后一次更新。
Conflation means if the same record is updated or dirtied multiple times within the buffering period then it only keeps the last update.
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