liuchunhua opened a new issue, #7932:
URL: https://github.com/apache/incubator-gluten/issues/7932
### Backend
VL (Velox)
### Bug description
# write
使用spark 3.2.4 原生版本生成文件
``` sql
create table bigdata.tmp_decimal_col(
amt_int int,
amt_bigint long,
amt_decimal8 decimal(8, 2),
amt_decimal16 decimal(16, 2),
amt_decimal24 decimal(24,2),
amt_decimal27 decimal(27, 2),
amt_decimal32 decimal(32, 2),
amt_decimal38 decimal(38, 2)
);
insert into bigdata.tmp_decimal_col values(2322, 223243243224,
2343.33, 343423423333.12,
3242343243243232423.00,
3242343243243232423.00,
3242343243243232423.00,
3242343243243232423.00);
```
# read
spark3.4.4 + gluten+ velox:
spark.read.parquet("/user/hive/warehouse/bigdata.db/tmp_decimal_col/part-00000-b1079bc2-7027-4b3b-99cb-83a187c30883-c000.snappy.parquet").show()
+-------+------------+------------+---------------+--------------------+--------------------+--------------------+--------------------+
|amt_int| amt_bigint|amt_decimal8| amt_decimal16| amt_decimal24|
**amt_decimal27**| amt_decimal32| amt_decimal38|
+-------+------------+------------+---------------+--------------------+--------------------+--------------------+--------------------+
| 2322|223243243224|
2343.33|343423423333.12|32423432432432324...|**90700136833857145...**|32423432432432324...|32423432432432324...|
+-------+------------+------------+---------------+--------------------+--------------------+--------------------+--------------------+
gluten version
Backend: Velox
Backend Branch: HEAD
Backend Revision: 88856e6b139c761e7876b1cd3b29e8dad236d8c7
Backend Revision Time: 2024-08-20 16:45:45 +0800
GCC Version: gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2)
Gluten Branch: branch-1.2
Gluten Build Time: 2024-08-21T13:12:51Z
Gluten Repo URL: https://github.com/apache/incubator-gluten
Gluten Revision: c82af60a635fb52bf1314cd831f5915dd37d910d
Gluten Revision Time: 2024-08-21 16:12:39 +0800
Gluten Version: 1.2.0
Hadoop Version: 2.7.4
Java Version: 1.8
Scala Version: 2.12.15
Spark Version: 3.4.2
### Spark version
Spark-3.4.x
### Spark configurations
_No response_
### System information
_No response_
### Relevant logs
_No response_
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