RussellSpitzer commented on code in PR #10953:
URL: https://github.com/apache/iceberg/pull/10953#discussion_r1803852642
##########
arrow/src/main/java/org/apache/iceberg/arrow/vectorized/VectorHolder.java:
##########
@@ -140,12 +141,21 @@ public static class ConstantVectorHolder<T> extends
VectorHolder {
private final int numRows;
public ConstantVectorHolder(int numRows) {
+ super(new NullVector("_dummy_", numRows), null, new
NullabilityHolder(numRows));
+ nullabilityHolder().setNulls(0, numRows);
this.numRows = numRows;
this.constantValue = null;
}
public ConstantVectorHolder(Types.NestedField icebergField, int numRows, T
constantValue) {
- super(icebergField);
+ super(
Review Comment:
The another approach is to directly mimic the Spark implementation and fork
here
https://github.com/apache/iceberg/blob/c07f2aabc0a1d02f068ecf1514d2479c0fbdd3b0/arrow/src/main/java/org/apache/iceberg/arrow/vectorized/ArrowBatchReader.java#L53
And if the holder is a ConstantVectorHolder set the vector to a new
ConstantVector which we define similar to the Spark ConstantColumnVector code
again.
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