[jira] [Created] (DRILL-902) OutputMutator should throw an exception if two fields with same name are attempted to be added to the RecordBatch

["Mehant Baid (JIRA)" <ji...@apache.org>]

Mehant Baid created DRILL-902:
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             Summary: OutputMutator should throw an exception if two fields with same name are attempted to be added to the RecordBatch
                 Key: DRILL-902
                 URL: https://issues.apache.org/jira/browse/DRILL-902
             Project: Apache Drill
          Issue Type: Bug
            Reporter: Mehant Baid
            Assignee: Mehant Baid
            Priority: Minor


Currently OutputMutator allows adding two fields with the same name but different MajorType to the RecordBatch. This could potentially cause problems. 

We need to maintain a map of the field names as they are added to the batch and throw an exception if a field with same name is added twice. 



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