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    • 1. 发明申请
    • METHOD AND DEVICE FOR MAINTAINING A CHANGELOG IN DATA SYNCHRONIZATION
    • 用于维护数据同步中的更改的方法和设备
    • US20110167041A1
    • 2011-07-07
    • US13062941
    • 2008-12-30
    • Liqin FuTao ZhouJingchun PuFei JuXin XieLei Yuan
    • Liqin FuTao ZhouJingchun PuFei JuXin XieLei Yuan
    • G06F17/30
    • H04L41/00G06F16/27H04L67/1095
    • A method and device for maintaining a changelog in data synchronization are provided in the present invention, in which the changelog is configured to record an operation executed for an object and is composed of data record items. The data record item includes flag information configured to uniquely identify an object and an operation type corresponding to the flag information, the operation type includes adding, updating and deleting. The method includes: reading, between two times of the data synchronization, flag information of a first data record item which is required to be added to the changelog; searching for whether there is a second data record item including the flag information in the changelog, and in a situation that there is the second data record item, setting the second data record item according to the first data record item. By the present invention, the changelog file can be prevented from continuously increasing.
    • 在本发明中提供了一种用于维持数据同步中的变更日志的方法和装置,其中更改日志被配置为记录对象执行的操作,并且由数据记录项组成。 数据记录项目包括被配置为唯一地标识对象的标志信息和与标志信息相对应的操作类型,操作类型包括添加,更新和删除。 该方法包括:在两次数据同步之间读取需要添加到更改日志的第一数据记录项的标志信息; 搜索包括更改日志中的标志信息的第二数据记录项目,以及在存在第二数据记录项目的情况下,根据第一数据记录项目设置第二数据记录项目。 通过本发明,可以防止变更日志文件不断增加。