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georgezhangay shenlong7 hesidney aliceliuyu xiangfagao wxf0322 dengshaobo donglujun92 long0419 junjin-lee hilly0420 lordhl zhaozongbao958 ziglking nealgao ldbsoft2022 bo11zhou giovani-github lezhileyi merlinkok dpxcf chongdianbao beyondtheblade cnwumingrui yongtao0602 git19950505yjj niaocaixiao gaoshengyue wing514895968 jaggerliu gitor-os yang564211612 binge1 littlestarone1314 footprintes junior-programmer-why lsp1995 ligeng33200 seanit sheepyangyang inpcs2007 weixiao122 roma033 gwlight shanggeshihun y100143239 ananru zhangyia24 wanglu2018 xjsunbear hucy2014 euui xiongguangli rugal-zero yut-2022 yuanhu123 1625250999 jiangzhenjian 100571753 winson1107 hyfone jack19861225 waterofrain luxutian wumorning shiafeia wansion cleveland1984 noobxrw 930199471 liuxizhen scbzyj peng-meng-jie shangxing1 sohudrgon mkera xqzkybys physted asd123443201 monkey-d-jie ii0 redoubtei javawangfei2015 yellowtao xiaolaoshubug mfdbosch bbasakura jasonliuspark123 chenmanj sunshinezhihuo wuzhan tyuzh08 paiiii minge-b hustwzk liudianpeng yinxiangbo coderdream wangrui93lx xsllvipawesome-kettle's Issues
可能出现的问题
首先感谢楼主分享
但细致研究了下发现会有两个问题：
1、回滚日期之前的数据无法同步
2、删除目标表数据方式欠妥，在线上数据表中数据随时可能被访问，如果用户使用某条数据过程正好处于同步中间（删除目标表和同步目标表时间之间），因为查不到这条数据，程序肯定会报错
建议：
1、即使某次同步失败，目标表中有多余数据，在不删除目标表数据情况下，我想也不会出现下次同步多余数据的情况，因为后面有一步与源表进行对比，上次同步失败同步的部分数据会在这个过程设置为更新，而不是增加。
question
请问一下，我这里改好了数据连接，其他也没有改，为什么出错了
为啥要删除时间戳以后的数据?
为啥要删除时间戳以后的数据?
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