wForget commented on code in PR #7573:
URL: https://github.com/apache/incubator-gluten/pull/7573#discussion_r1805760618
##########
gluten-arrow/src/main/java/org/apache/gluten/vectorized/ColumnarBatchOutIterator.java:
##########
@@ -54,6 +54,9 @@ public long itrHandle() {
@Override
public boolean hasNext0() throws IOException {
+ if (closed.get()) {
+ return false;
+ }
Review Comment:
~~But after closed, the native iterator has been removed. Does this mean
that this iterator was drained?~~
If we check closed in parent, this would indeed no longer be needed. : ）
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