weihua zhang created SPARK-53565:
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Summary: return wrong result for some aggregate functions when
groupSets contains '{}'
Key: SPARK-53565
URL: https://issues.apache.org/jira/browse/SPARK-53565
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 4.0.1
Reporter: weihua zhang
{code:sql}
CREATE TABLE emp(
empno INT,
job STRING,
deptno INT
) USING PARQUET;
select sum(empno) from emp group by rollup(deptno, job);
{code}
should return one row one column of null
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