Deepak Barr created LENS-817:
--------------------------------

             Summary: No need to persist metadata class information in DB after 
LENS-576 fix
                 Key: LENS-817
                 URL: https://issues.apache.org/jira/browse/LENS-817
             Project: Apache Lens
          Issue Type: Task
            Reporter: Deepak Barr
            Assignee: Deepak Barr
            Priority: Minor


Metadata class information is written to DB but no where used. This is 
information is no longer required because after LENS-576, the class information 
is stored in metadata column itself. E.g. 

{  
   "@class":"org.apache.lens.driver.hive.HiveResultSetMetadata",
   "columns":[  
      {  
         "name":"test_data.name",
         "comment":null,
         "position":1,
         "type":"STRING"
      },
      {  
         "name":"test_data.country",
         "comment":null,
         "position":2,
         "type":"STRING"
      }
   ]
}



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