EmilyMatt commented on code in PR #22064:
URL: https://github.com/apache/datafusion/pull/22064#discussion_r3219292326
##########
datafusion/physical-plan/src/unnest.rs:
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@@ -392,6 +393,11 @@ impl UnnestStream {
self.metrics.baseline_metrics.output_rows(),
self.metrics.baseline_metrics.elapsed_compute(),
);
+ if other.is_none() {
+ // Release the input pipeline's resources.
Review Comment:
It's a specific case bc the match can be both an err and None, but I've
added a couple comments there to make the flow readable even at a skim.
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