lw309637554 commented on pull request #1810:
URL: https://github.com/apache/hudi/pull/1810#issuecomment-656092089


   @vinothchandar  I  meet some mistakes, just opened a new PR.  
   In the new PR, I fix the build break. This is my thinks about backwards 
compatible .
   a.  about users code compatible: because do not modify the hivesync class 
name. Users do not need to modify these old code.
   b. about users  pom dependency compatible: because do not modify the module 
name hudi-hive-sync. Users not need to modify pom dependency
   c. about users local jar files compatible: if users's local jars is do not 
shaded the hudi-hive-sync's 
   Indirect dependence. Old users just need add the hudi-sync-common.jar to 
their directory. Just like hudi-utilities-bundle modiry in this PR.
   Reply: we can do this to put the hudi-sync-common base class to hudi-common
   d. about sync parameters, just add new parameters. Compatible is ok.
   
   what about your suggestion?


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