[GitHub] [carbondata] Indhumathi27 opened a new pull request #3388: [CARBONDATA-3520] CTAS should fail if select query contains duplicate columns

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Indhumathi27 opened a new pull request #3388: [CARBONDATA-3520] CTAS should fail if select query contains duplicate columns
URL: https://github.com/apache/carbondata/pull/3388
 
 
    Problem:
   If Select query contains Duplicate columns, CTAS was creating a table with only one column, which is wrong
   
   Solution:
   Throw error message if Select query contains duplicate columns.
   
    - [ ] Any interfaces changed?
   
    - [ ] Any backward compatibility impacted?
   
    - [ ] Document update required?
   
    - [ ] Testing done
         Added
         
    - [ ] For large changes, please consider breaking it into sub-tasks under an umbrella JIRA.
   
   

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