rluvaton commented on code in PR #15562:
URL: https://github.com/apache/datafusion/pull/15562#discussion_r2027711140
##########
datafusion/physical-plan/src/sorts/merge.rs:
##########
@@ -241,10 +239,13 @@ impl<C: CursorValues> SortPreservingMergeStream<C> {
_ => {
// If the polling result is Poll::Ready(Some(batch))
or Poll::Ready(None),
// we remove this partition from the queue so it is
not polled again.
- self.uninitiated_partitions.retain(|idx| *idx != i);
+ self.uninitiated_partitions.pop_front();
}
}
}
+
+ // Claim the memory for the uninitiated partitions
Review Comment:
updated to shrink to fit as it already empty
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