alamb commented on code in PR #15852:
URL: https://github.com/apache/datafusion/pull/15852#discussion_r2065185660
##########
datafusion/physical-plan/src/coalesce_batches.rs:
##########
@@ -196,7 +196,14 @@ impl ExecutionPlan for CoalesceBatchesExec {
}
fn statistics(&self) -> Result<Statistics> {
- Statistics::with_fetch(self.input.statistics()?, self.schema(),
self.fetch, 0, 1)
+ self.partition_statistics(None)
+ }
+
+ fn partition_statistics(&self, partition: Option<usize>) ->
Result<Statistics> {
+ let input_stats = self.input.partition_statistics(partition)?;
+ let fetched_stat =
+ Statistics::with_fetch(input_stats.clone(), self.schema(),
self.fetch, 0, 1)?;
+ Ok(fetched_stat)
Review Comment:
I think you can avoid a clone here. For example:
```suggestion
self.input.partition_statistics(partition)?.with_fetch(
self.schema(),
self.fetch,
0,
1,
)
```
(This is the pattern you used elsewhere too like in CoalescePartitionsExec)
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