zhuqi-lucas commented on code in PR #16196:
URL: https://github.com/apache/datafusion/pull/16196#discussion_r2111675314


##########
datafusion/physical-plan/src/aggregates/no_grouping.rs:
##########
@@ -77,6 +77,11 @@ impl AggregateStream {
         let baseline_metrics = BaselineMetrics::new(&agg.metrics, partition);
         let input = agg.input.execute(partition, Arc::clone(&context))?;
 
+        // Only wrap no‐grouping aggregates in our YieldStream

Review Comment:
   You are right, i can reproduce it now:
   
   ```rust
   SELECT
     (value % 10)         AS group_key,
     COUNT(*)             AS cnt,
     SUM(value)           AS sum_val
   FROM range(1, 5000000000) AS t
   GROUP BY (value % 10)
   ORDER BY group_key;
   ```



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