Github user cloud-fan commented on the issue:

    https://github.com/apache/spark/pull/16938
  
    > CREATE TABLE ... (PARTITIONED BY ...) LOCATION path
    
    I think hive's behavior makes more sense. Users may wanna insert data to 
this table and put the data in a specified location, even it doesn't exist at 
the beginning.
    
    > CREATE TABLE ...(PARTITIONED BY ...) LOCATION path AS SELECT ...
    
    The reason applies here too.
    
    > CREATE TABLE ... (PARTITIONED BY ...) AS SELECT ...
    
    When users don't specify the location, mostly they would expect this is a 
fresh table and the table path should not exist.
    
    



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