lidavidm commented on code in PR #886:
URL: https://github.com/apache/arrow-java/pull/886#discussion_r2471753799
##########
vector/src/main/java/org/apache/arrow/vector/validate/ValidateVectorBufferVisitor.java:
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@@ -158,7 +158,15 @@ public Void visit(BaseLargeVariableWidthVector vector,
Void value) {
@Override
public Void visit(BaseVariableWidthViewVector vector, Void value) {
- throw new UnsupportedOperationException("View vectors are not supported.");
+ final int valueCount = vector.getValueCount();
+ validateOrThrow(
+ vector.getValueCount() >= 0,
+ "Vector valueCount %s is negative.",
+ vector.getValueCapacity());
Review Comment:
Roughly yes but I would prefer adding a `TypeLayout.isVariableBuffer`
instead of hardcoding a type check
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