Sergey Shelukhin commented on HIVE-14969:

Note: tablesample pruner is super buggy, so it's probably best to disable it 
for ACID tables like it's disabled for some other stuff

> add test cases for ACID
> -----------------------
>                 Key: HIVE-14969
>                 URL: https://issues.apache.org/jira/browse/HIVE-14969
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>            Reporter: Sergey Shelukhin
> I think the following tests are added
> 1) CTAS into transactional table must be transactional.
> 2) tablesample with buckets from ACID table - judging by HIVE-14967, 
> selecting buckets with nested directories may have bugs on Tez
> 3) insert with union - same reason, if the test doesn't already exist it 
> would be nice to see that bases and deltas are processed correctly given that 
> union creates 2 directories for the results of the same insert

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