andygrove opened a new issue, #1354:
URL: https://github.com/apache/datafusion-comet/issues/1354
### Describe the bug
Given the following SQL, where `c1` is a `tinyint` and `c7` is a
`decimal(14,6)`:
```sql
SELECT c1, Avg(c7) FROM t1 GROUP BY c1 ORDER BY c1
```
Some results are different between Spark and Comet, perhaps due to a decimal
promotion or rounding difference.
```
!== Correct Answer - 256 == == Spark Answer - 256 ==
struct<c1:tinyint,avg(c7):decimal(14,6)>
struct<c1:tinyint,avg(c7):decimal(14,6)>
[68,0.595938] [68,0.595938]
![69,0.520313] [69,0.520312]
[70,0.498929] [70,0.498929]
```
### Steps to reproduce
_No response_
### Expected behavior
_No response_
### Additional context
_No response_
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