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  1. Apache Arrow
  2. ARROW-6368

[C++] Add RecordBatch projection functionality

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      Description

      define classes RecordBatchProjector (which projects from one schema to another, augmenting with null/constant columns where necessary) and a subtype of RecordBatchIterator which projects each batch yielded by a wrapped iterator.

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              • Assignee:
                bkietz Ben Kietzman
                Reporter:
                bkietz Ben Kietzman
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