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目标表中有些字段是同步字段,有些字段是非同步字段,非同步字段可以通过其他系统编辑赋值。修改源表中的数据,会导致目标表对应记录里的非同步字段被空值覆盖。而且重启项目会导致所有记录里的非同步字段被空值覆盖。insert和upsert模式都用了,无法解决上述问题。
下面是我修改了第一条数据的源表,导致同步以后这条数据对应的非同步字段被空值覆盖了
建表语句中这三个非同步字段:
同步语句中没有上面三个字段:
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