lgbo-ustc commented on issue #7778:
URL:
https://github.com/apache/incubator-gluten/issues/7778#issuecomment-2451571507
Original spark plan
```sql
0: jdbc:hive2://localhost:10000> explain select n_regionkey,
avg(n_nationkey) from tpch_pq.nation group by n_regionkey;
+----------------------------------------------------+
| plan |
+----------------------------------------------------+
| == Physical Plan ==
CHNativeColumnarToRow
+- ^(4) HashAggregateTransformer(keys=[n_regionkey#2L],
functions=[avg(cast(n_nationkey#0L as double))], isStreamingAgg=false)
+- ^(4) InputIteratorTransformer[n_regionkey#2L, sum#32, count#33L]
+- ColumnarExchange hashpartitioning(n_regionkey#2L, 5),
ENSURE_REQUIREMENTS, [plan_id=214], [shuffle_writer_type=hash], [OUTPUT]
ArrayBuffer(n_regionkey:LongType, sum:DoubleType, count:LongType)
+- ^(3) HashAggregateTransformer(keys=[n_regionkey#2L],
functions=[partial_avg(_pre_1#34)], isStreamingAgg=false)
+- ^(3) ProjectExecTransformer [n_nationkey#0L, n_regionkey#2L,
cast(n_nationkey#0L as double) AS _pre_1#34]
+- ^(3) NativeFileScan parquet
tpch_pq.nation[n_nationkey#0L,n_regionkey#2L] Batched: true, DataFilters: [],
Format: Parquet, Location: InMemoryFileIndex(1
paths)[file:/home/liangjiabiao/workspace/docker/local_gluten/tpch_pq_data/nat...,
PartitionFilters: [], PushedFilters: [], ReadSchema:
struct<n_nationkey:bigint,n_regionkey:bigint>
```
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