Copilot commented on code in PR #15469:
URL: https://github.com/apache/datafusion/pull/15469#discussion_r2018081822
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datafusion/physical-plan/src/sorts/sort.rs:
##########
@@ -416,21 +409,23 @@ impl ExternalSorter {
Some(self.spill_manager.create_in_progress_file("Sorting")?);
}
- self.organize_stringview_arrays()?;
+ Self::organize_stringview_arrays(globally_sorted_batches)?;
debug!("Spilling sort data of ExternalSorter to disk whilst
inserting");
- let batches = std::mem::take(&mut self.in_mem_batches);
+ let batches_to_spill = std::mem::take(globally_sorted_batches);
self.reservation.free();
let in_progress_file =
self.in_progress_spill_file.as_mut().ok_or_else(|| {
internal_datafusion_err!("In-progress spill file should be
initialized")
})?;
- for batch in batches {
+ for batch in batches_to_spill {
in_progress_file.append_batch(&batch)?;
}
+ assert!(globally_sorted_batches.is_empty());
+
Review Comment:
The assertion may be redundant since globally_sorted_batches is already
drained via std::mem::take; consider removing it to simplify the code.
```suggestion
```
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