Github user cloud-fan commented on the issue:

    https://github.com/apache/spark/pull/14712
  
    I wanna make sure we are in the same page:
    **top priority**: users analyze the table in Spark and query it in Spark. 
(this must work)
    **second priority**: the table is already analyzed by Hive, users query it 
in Spark.(this should work)
    **low priority**: users analyze the table in Spark and query it in Hive.(it 
will be good if this works, but also fine if this doesn't)
    
    I'm a little hesitant about dealing with the 
`STATS_GENERATED_VIA_STATS_TASK` and `COLUMN_STATS_ACCURATE` flags, are they 
only needed for the third(low priority) target? If they are, I'd like to ignore 
them to simplify the logic.


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