xudong963 commented on code in PR #15503:
URL: https://github.com/apache/datafusion/pull/15503#discussion_r2030716742
##########
datafusion/physical-plan/src/coalesce_batches.rs:
##########
@@ -195,6 +195,10 @@ impl ExecutionPlan for CoalesceBatchesExec {
Statistics::with_fetch(self.input.statistics()?, self.schema(),
self.fetch, 0, 1)
}
+ fn statistics_by_partition(&self) -> Result<Vec<Statistics>> {
+ Ok(vec![self.statistics()?])
+ }
Review Comment:
Good find. I was misled by the `coalesce` : )
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