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https://issues.apache.org/jira/browse/CALCITE-3751?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde updated CALCITE-3751:
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Component/s: jdbc-adapter
> JDBC adapter wrongly pushes ORDER BY into sub-query
> ---------------------------------------------------
>
> Key: CALCITE-3751
> URL: https://issues.apache.org/jira/browse/CALCITE-3751
> Project: Calcite
> Issue Type: Bug
> Components: jdbc-adapter
> Reporter: Julian Hyde
> Priority: Major
>
> JDBC adapter wrongly pushes ORDER BY into sub-query. When I run
> {code}select deptno, job, sum(sal)
> from scott.emp
> group by deptno, job
> order by 1,2;
> {code}
> against the hsqldb database via the JDBC adapter I get the error
> {noformat}Error: Error while executing SQL "select deptno, job, sum(sal) from
> scott.emp group by deptno, job order by 1,2": While executing SQL [SELECT
> "DEPTNO", "JOB", SUM("SAL")
> FROM (SELECT "JOB", "DEPTNO", SUM("SAL")
> FROM "SCOTT"."EMP"
> GROUP BY "JOB", "DEPTNO"
> ORDER BY "DEPTNO" NULLS LAST, "JOB" NULLS LAST) AS "t0"] on JDBC sub-schema
> (state=,code=0)
> {noformat}
> Note that ORDER BY is inside a sub-query, which I presume is invalid SQL for
> hsqldb (and most other DBs).
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