Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/19862#discussion_r154568554
--- Diff:
sql/catalyst/src/main/java/org/apache/spark/sql/execution/UnsafeExternalRowSorter.java
---
@@ -159,6 +154,12 @@ public boolean hasNext() {
@Override
public UnsafeRow next() {
try {
+ if (!alreadyCalculated) {
--- End diff --
When `hasNext` is called, doesn't `sortedIterator` return no element
anymore since we haven't added rows into it?
---
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
