[
https://issues.apache.org/jira/browse/SPARK-33958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Zhang Jianguo updated SPARK-33958:
----------------------------------
Description:
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 |
\+--------------------------\++
was:
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 |
+--------------------------+
> 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: 2.3.2, 2.4.5, 3.0.0
> Reporter: Zhang Jianguo
> Priority: Minor
>
> 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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