andygrove opened a new issue, #666:
URL: https://github.com/apache/datafusion-comet/issues/666
### Describe the bug
## SQL
```
SELECT c28, abs(c28) AS x FROM test1 ORDER BY c28;
```
### Spark Plan
```
AdaptiveSparkPlan isFinalPlan=true
+- == Final Plan ==
*(2) Sort [c28#228L ASC NULLS FIRST], true, 0
+- AQEShuffleRead coalesced
+- ShuffleQueryStage 0
+- Exchange rangepartitioning(c28#228L ASC NULLS FIRST, 200),
ENSURE_REQUIREMENTS, [plan_id=24514]
+- *(1) Project [c28#228L, abs(c28#228L) AS x#25310L]
+- *(1) ColumnarToRow
+- FileScan parquet [c28#228L] Batched: true, DataFilters:
[], Format: Parquet, Location: InMemoryFileIndex(1
paths)[file:/home/andy/git/apache/datafusion-comet/fuzz-testing/test1.parquet],
PartitionFilters: [], PushedFilters: [], ReadSchema: struct<c28:bigint>
+- == Initial Plan ==
Sort [c28#228L ASC NULLS FIRST], true, 0
+- Exchange rangepartitioning(c28#228L ASC NULLS FIRST, 200),
ENSURE_REQUIREMENTS, [plan_id=24500]
+- Project [c28#228L, abs(c28#228L) AS x#25310L]
+- FileScan parquet [c28#228L] Batched: true, DataFilters: [],
Format: Parquet, Location: InMemoryFileIndex(1
paths)[file:/home/andy/git/apache/datafusion-comet/fuzz-testing/test1.parquet],
PartitionFilters: [], PushedFilters: [], ReadSchema: struct<c28:bigint>
```
### Comet Plan
```
AdaptiveSparkPlan isFinalPlan=true
+- == Final Plan ==
*(2) Sort [c28#228L ASC NULLS FIRST], true, 0
+- AQEShuffleRead coalesced
+- ShuffleQueryStage 0
+- Exchange rangepartitioning(c28#228L ASC NULLS FIRST, 200),
ENSURE_REQUIREMENTS, [plan_id=24579]
+- *(1) ColumnarToRow
+- CometProject [c28#228L, x#25316L], [c28#228L,
abs(c28#228L) AS x#25316L]
+- CometScan parquet [c28#228L] Batched: true,
DataFilters: [], Format: CometParquet, Location: InMemoryFileIndex(1
paths)[file:/home/andy/git/apache/datafusion-comet/fuzz-testing/test1.parquet],
PartitionFilters: [], PushedFilters: [], ReadSchema: struct<c28:bigint>
+- == Initial Plan ==
Sort [c28#228L ASC NULLS FIRST], true, 0
+- Exchange rangepartitioning(c28#228L ASC NULLS FIRST, 200),
ENSURE_REQUIREMENTS, [plan_id=24559]
+- CometProject [c28#228L, x#25316L], [c28#228L, abs(c28#228L) AS
x#25316L]
+- CometScan parquet [c28#228L] Batched: true, DataFilters: [],
Format: CometParquet, Location: InMemoryFileIndex(1
paths)[file:/home/andy/git/apache/datafusion-comet/fuzz-testing/test1.parquet],
PartitionFilters: [], PushedFilters: [], ReadSchema: struct<c28:bigint>
```
First difference at row 11:
Spark: `-8779944534083813778,8779944534083813778`
Comet: `-8779944534083813778,-8779944534083813778`
### Steps to reproduce
_No response_
### Expected behavior
_No response_
### Additional context
_No response_
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