[GitHub] [drill] ihuzenko commented on issue #1706: DRILL-7115: Improve Hive schema show tables performance

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ihuzenko commented on issue #1706: DRILL-7115: Improve Hive schema show tables performance
URL: https://github.com/apache/drill/pull/1706#issuecomment-477196081
 
 
   Hi @vdiravka , according to the [PR discussion](https://github.com/apache/drill/pull/461#discussion_r58753354) , show tables authorization was left in inconsistent state (all tables shown for SQL Standard mode, only accessible shown for Storage Based mode). I have spent some time investigating the issues and even found how to fix listing for SQL Standard mode. But performance acceptable solution for Storage Based mode is still unknown. I think that listing of only accessible tables wasn't Drill users requirement, and in case of such Jira appearance it should be implemented as finalized feature with acceptable performance and consistency for both authorization modes. Until Drill users require the feature, it'll be much better to return all tables as fast as possible. 

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