update: 新增对达梦数据库的支持 #553 #417 #633 #663
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datax支持大部分的rdbms的读写，目前支持达梦、db2、PPAS、Sybase数据库的读取 查看官方介绍
通过在datax-web中增加dm类型的操作， 插件使用的RdbmsReader 和 RdbmsWriter 进行读写， 目前已经在本地测试通过， 流程如下：
增加达梦数据源的连接：
构建Reader后构建Writer选择达梦数据源
构建json， 可以看到这里使用的rdbmsWriter
之后点击执行一次， 触发一次datax任务， 任务运行成功后， 查看dm目标表的数据如下
这里直接同步的datax-web的用户表信息， 可以看到同步成功
从达梦读数据也是同理， 测试可以同步成功， 这里不做展示