Ngone51 commented on code in PR #49501:
URL: https://github.com/apache/spark/pull/49501#discussion_r1916114001
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sql/core/src/main/scala/org/apache/spark/sql/execution/WholeStageCodegenExec.scala:
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@@ -485,8 +487,16 @@ trait InputRDDCodegen extends CodegenSupport {
""
}
s"""
- | while ($limitNotReachedCond $input.hasNext()) {
+ | long $numOutputRows = 0;
+ | boolean $taskInterrupted = false;
+ | while ($limitNotReachedCond !$taskInterrupted && $input.hasNext()) {
| InternalRow $row = (InternalRow) $input.next();
+ | $numOutputRows++;
+ | if ($numOutputRows % 1000 == 0) {
Review Comment:
Yea, it's by intuition. And yes we expect 1000 rows to finish quickly soon.
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