Zhang Jianguo created SPARK-33958:
-------------------------------------
Summary: spark sql DoubleType(0 * (-1)) return "-0.0"
Key: SPARK-33958
URL: https://issues.apache.org/jira/browse/SPARK-33958
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 3.0.0, 2.4.5, 2.3.2
Reporter: Zhang Jianguo
spark version: 2.3.2
```sql
create table test_zjg(a double);
insert into test_zjg values(-1.0);
select a*0 from test_zjg
```
After select operation, we will get -0.0 which expected as 0.0:
+--------------------------+
| (a * CAST(0 AS DOUBLE)) |
+--------------------------+
| -0.0 |
+--------------------------+
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