lirui-apache commented on issue #8564: [FLINK-12649][hive] Add a shim layer to 
support multiple versions of HMS
URL: https://github.com/apache/flink/pull/8564#issuecomment-497560367
 
 
   > For Hive versions, I think for now we can claim support only for versions 
like 1.2.1 explicitly. In theory is that all 1.2.x versions should be 
compatible. However, we haven't verified this so before doing so let's be 
conservative.
   > 
   > On the other hand, if we eventually only support 1.2.1 and 2.3.4, then I 
guess a lot of users will be turned off because their versions may not match 
any of those.
   
   I think we can be conservative for now, and claim to support more versions 
when we have better test coverage. Besides, allowing user to specify version 
might mitigate the issue, e.g. user can explicitly specify a supported version 
even if the Hive jars in use don't exactly match the supported versions.

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