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Posted to issues@calcite.apache.org by "Andrei Sereda (Jira)" <ji...@apache.org> on 2022/06/04 21:04:00 UTC
[jira] [Commented] (CALCITE-5043) GROUP BY alias or SELECT field should be determined by using sql dialect when alias and field are same
[ https://issues.apache.org/jira/browse/CALCITE-5043?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17549497#comment-17549497 ]
Andrei Sereda commented on CALCITE-5043:
----------------------------------------
Hello,
Please let me know if you want this issue to be included in the next Calcite release 1.31.
If so, do you think it can be resolved in 1-2 weeks ?
Our goal is to create an RC mid-June.
Thanks.
> 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
> Priority: Major
> Fix For: 1.31.0
>
>
> {noformat}
> select length(ename) as ename from emp group by ename{noformat}
> PostgreSQL: group by empno will be expanded to group by emp.empno.
> BigQuery: group by empno will be expanded to group by length(ename).
> MySQL ONLY_FULL_GROUP_BY mode(default mode): as PostgreSQL.
> MySQL extension: as PostgreSQL.
> {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}
> PostgreSQL: throws column reference "deptno" is ambiguous.
> 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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