alamb commented on code in PR #12302:
URL: https://github.com/apache/datafusion/pull/12302#discussion_r1745232786
##########
datafusion/physical-plan/src/sorts/merge.rs:
##########
@@ -156,12 +164,22 @@ impl<C: CursorValues> SortPreservingMergeStream<C> {
}
// try to initialize the loser tree
if self.loser_tree.is_empty() {
- // Ensure all non-exhausted streams have a cursor from which
- // rows can be pulled
- for i in 0..self.streams.partitions() {
- if let Err(e) = ready!(self.maybe_poll_stream(cx, i)) {
- self.aborted = true;
- return Poll::Ready(Some(Err(e)));
+ // Ensure all non-exhausted streams have a cursor from which rows
can be pulled
Review Comment:
see https://github.com/synnada-ai/datafusion-upstream/pull/34 for alternate
idea
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