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What's the purpose of read/write Hive permission in Ranger ?

What's the purpose of read/write Hive permission in Ranger ?

Explorer

Well, I'm trying to design an RBAC for Ranger ACL (HDFS + HIVE). I'll start with Hive resources

I've read https://cwiki.apache.org/confluence/display/RANGER/Hive+Commands+to+Ranger+Permission+Mapping but there're no read/write permission mention on that page. From my experience, if user want to perform query action on the specific table, both READ and SELECT have to provide to user. But I still don't know the reason literally. Could your guys tell me what exactly read/write in hive permission use for?

 

Cheers!

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