Hanifi Gunes created DRILL-2321:
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             Summary: FlattenRecordBatch should transfer vectors honoring 
output field reference.
                 Key: DRILL-2321
                 URL: https://issues.apache.org/jira/browse/DRILL-2321
             Project: Apache Drill
          Issue Type: Bug
            Reporter: Hanifi Gunes
            Assignee: Hanifi Gunes


Current implementation of FlattenRecordBatch does not create transfer pairs 
with the target vector named with the desired field reference. This seems 
working fine with repeated types as the upstream project or ArrayPathSegment 
makes the renaming implicitly. Overall relying on upstream makes the code 
fragile. Also, DRILL-2150 requires this patch as it alters the way repeated 
vectors are modeled. This patch proposes to implement a less fragile transfer 
pair handling via explicit naming.



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