rluvaton commented on code in PR #25107:
URL: https://github.com/apache/datafusion/pull/25107#discussion_r3978146769
##########
datafusion/physical-plan/src/sorts/stream.rs:
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@@ -377,13 +377,15 @@ impl Iterator for IncrementalSortIterator {
}
fn size_hint(&self) -> (usize, Option<usize>) {
- let num_rows = self.batch.num_rows();
+ let num_rows = self.batch.num_rows().saturating_sub(self.cursor);
let batch_size = self.batch_size;
let num_batches = num_rows.div_ceil(batch_size);
(num_batches, Some(num_batches))
}
}
+impl ExactSizeIterator for IncrementalSortIterator {}
Review Comment:
great catch, thanks, fixed
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