Github user pmccaffrey6 commented on the issue:

    https://github.com/apache/zeppelin/pull/1776
  
    Hey guys,
         Thanks so much for the review! I removed the unused variable (great 
catch). 
    
    As for the other issues, I think they make a ton of sense. I wrote the 
`getMetaData()` method so that it pairs closely with the `executeSql()` method 
and so these issues are present in both. 
    
    Perhaps a good option would be to open a second PR to refactor the JDBC 
interpreter and make these changes in both `getMetaData()` and `executeSql()` 
methods? What do you think?


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