chenjunjiedada commented on a change in pull request #1356:
URL: https://github.com/apache/iceberg/pull/1356#discussion_r489393108
##########
File path:
arrow/src/main/java/org/apache/iceberg/arrow/vectorized/VectorizedArrowReader.java
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@@ -354,6 +360,40 @@ public void setBatchSize(int batchSize) {
}
}
+ private static final class PositionVectorReader extends
VectorizedArrowReader {
+ private long rowStart;
+
+ @Override
+ public VectorHolder read(VectorHolder reuse, int numValsToRead) {
+ Field arrowField = ArrowSchemaUtil.convert(MetadataColumns.ROW_POSITION);
+ FieldVector vec =
arrowField.createVector(ArrowAllocation.rootAllocator());
+ ((BigIntVector) vec).allocateNew(numValsToRead);
Review comment:
Make sense to me, updated in
https://github.com/apache/iceberg/pull/1356/commits/73de3696204c8fe1ed99cfddda2cf488c413f735
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