lidavidm commented on code in PR #884:
URL: https://github.com/apache/arrow-java/pull/884#discussion_r2465614905
##########
vector/src/main/java/org/apache/arrow/vector/util/VectorAppender.java:
##########
@@ -698,4 +703,70 @@ public ValueVector visit(ExtensionTypeVector<?>
deltaVector, Void value) {
deltaVector.getUnderlyingVector().accept(underlyingAppender, null);
return targetVector;
}
+
+ @Override
+ public ValueVector visit(RunEndEncodedVector deltaVector, Void value) {
+ Preconditions.checkArgument(
+ typeVisitor.equals(deltaVector),
+ "The vector to append must have the same type as the targetVector
being appended");
Review Comment:
That, or it needs to say "targetVector being appended **to**".
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