kecookier opened a new issue, #4891:
URL: https://github.com/apache/incubator-gluten/issues/4891
### Backend
VL (Velox)
### Bug description
The type of column `ind_order_amount` in `SrcTable` is `decimal(20,4)`, and
the type of column `week_ind_order_amount`
in `TableTarget` is `float`.
The following SQL snippet shows that the calculation of
colum`week_ind_order_amount` for Gluten is inconsistent with the Vanilla
version, as detailed in the screenshot.
gluten branch https://github.com/apache/incubator-gluten/tree/branch-1.1
```sql
INSERT OVERWRITE TABLE `TableTarget` PARTITION (dt='2024-02-29')
SELECT
a.deal_id,
SUM(a.quantity) AS week_quantity,
SUM(a.ind_quantity) AS week_ind_quantity,
SUM(a.ind_order_amount) AS week_ind_order_amount,
SUM(a.user_cnt) AS week_user_cnt,
FROM
(
SELECT deal_id,
quantity,
ind_quantity,
ind_order_amount,
user_cnt,
FROM SrcTable
WHERE partition_date BETWEEN '2024-01-31' AND '2024-02-29'
AND deal_id IS NOT NULL
) a
GROUP BY deal_id;
```
### Spark version
None
### Spark configurations
_No response_
### System information
_No response_
### Relevant logs
_No response_
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