zhztheplayer commented on code in PR #7620:
URL: https://github.com/apache/incubator-gluten/pull/7620#discussion_r1808278770
##########
backends-velox/src/test/scala/org/apache/gluten/execution/MiscOperatorSuite.scala:
##########
@@ -2095,7 +2095,7 @@ class MiscOperatorSuite extends
VeloxWholeStageTransformerSuite with AdaptiveSpa
)
checkNullTypeRepartition(
spark.table("lineitem").selectExpr("null as x", "null as
y").repartition(),
- 1
+ 0
Review Comment:
Query plan changed from
```
VeloxColumnarToRow
+- ShuffleQueryStage 0
+- ColumnarExchange SinglePartition, REBALANCE_PARTITIONS_BY_NONE,
[plan_id=979], [shuffle_writer_type=hash], [OUTPUT] ArraySeq(x:NullType,
y:NullType), [OUTPUT] ArraySeq(x:NullType, y:NullType)
+- VeloxResizeBatches 1024, 2147483647
+- RowToVeloxColumnar
+- *(1) Project [null AS x#296, null AS y#297]
+- *(1) ColumnarToRow
+- FileScan parquet [] Batched: true, DataFilters: [],
Format: Parquet, Location: InMemoryFileIndex(1
paths)[file:/opt/gluten/backends-velox/target/scala-2.13/test-classes/tpch-da...,
PartitionFilters: [], PushedFilters: [], ReadSchema: struct<>
```
to
```
VeloxColumnarToRow
+- ShuffleQueryStage 0
+- ColumnarExchange SinglePartition, REBALANCE_PARTITIONS_BY_NONE,
[plan_id=957], [shuffle_writer_type=hash], [OUTPUT] ArraySeq(x:NullType,
y:NullType), [OUTPUT] ArraySeq(x:NullType, y:NullType)
+- VeloxResizeBatches 1024, 2147483647
+- ^(12) ProjectExecTransformer [null AS x#296, null AS y#297]
+- ^(12) NativeFileScan parquet [] Batched: true,
DataFilters: [], Format: Parquet, Location: InMemoryFileIndex(1
paths)[file:/opt/gluten/backends-velox/target/scala-2.13/test-classes/tpch-da...,
PartitionFilters: [], PushedFilters: [], ReadSchema: struct<>
```
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