ctsk commented on code in PR #15479:
URL: https://github.com/apache/datafusion/pull/15479#discussion_r2020104151
##########
datafusion/physical-optimizer/src/coalesce_batches.rs:
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@@ -92,3 +92,73 @@ impl PhysicalOptimizerRule for CoalesceBatches {
true
}
}
+
+/// Remove CoalesceBatchesExec that are in front of a AggregateExec
+#[derive(Default, Debug)]
+pub struct UnCoalesceBatches {}
Review Comment:
Certainly something to attempt. I've not done it (yet) because it's not
necessary to evaluate the impact of this change
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