yanjing.wang created CALCITE-5043:
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Summary: GROUP BY alias or SELECT field should be determined by
using sql dialect when alias and field are same
Key: CALCITE-5043
URL: https://issues.apache.org/jira/browse/CALCITE-5043
Project: Calcite
Issue Type: Bug
Components: core
Affects Versions: 1.29.0
Environment: jdk8
Reporter: yanjing.wang
Assignee: yanjing.wang
Fix For: 1.31.0
{noformat}
select empno + deptno as empno from emp group by empno{noformat}
PostgreSQL: throws column "emp.empno" must appear in the GROUP BY clause or be
used in an aggregate function.
BigQuery: group by empno will be expanded to group by empno + deptno.
MySQL ONLY_FULL_GROUP_BY mode(default mode): throws as PostgreSQL.
MySQL extension: group by empno will be expanded to group by emp.empno.
{noformat}
select a.deptno + b.deptno as deptno from emp a , dept b group by deptno
{noformat}
BigQuery: group by deptno will be expanded to group by a.deptno + b.deptno.
MySQL ONLY_FULL_GROUP_BY mode(default mode): throws as PostgreSQL.
MySQL extension: as BigQuery.
We need support expanding GROUP BY alias or SELECT field according to the sql
dialect.
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