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  1. Apache Drill
  2. DRILL-2321

FlattenRecordBatch should transfer vectors honoring output field reference.

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      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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        Sub-task - The sub-task of the issue DRILL-2150 Create an abstraction for repeated value vectors.

        • Critical - Crashes, loss of data, severe memory leak.
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            jaltekruse Jason Altekruse
            hgunes Hanifi Gunes
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