[jira] [Resolved] (DRILL-589) order by desc fails on a aggregate query

["Jacques Nadeau (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-589?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jacques Nadeau resolved DRILL-589.
----------------------------------

    Resolution: Fixed

> order by desc fails on a aggregate query
> ----------------------------------------
>
>                 Key: DRILL-589
>                 URL: https://issues.apache.org/jira/browse/DRILL-589
>             Project: Apache Drill
>          Issue Type: Bug
>            Reporter: Ramana Inukonda Nagaraj
>
> 0: jdbc:drill:schema=dfs.drillTestDirP1> explain plan for select age,avg(gpa) from student group by age order by age desc;
> +------------+------------+
> |    text    |    json    |
> +------------+------------+
> | ScreenPrel: rowcount = 10.0, cumulative cost = {518.8342956229998 rows, 144.0 cpu, 0.0 io}, id = 16464
>   SingleMergeExchangePrel(sort0=[0 DESC]): rowcount = 10.0, cumulative cost = {517.8342956229998 rows, 143.0 cpu, 0.0 io}, id = 16463
>     SortPrel(sort0=[$0], dir0 |
> +------------+------------+
> 1 row selected (0.088 seconds)
> 0: jdbc:drill:schema=dfs.drillTestDirP1> select age,avg(gpa) from student group by age order by age desc;
> Query failed: org.apache.drill.exec.rpc.RpcException: Remote failure while running query.[error_id: "ce694964-2792-4e22-b253-75884b6ba57b"
> endpoint {
>   address: "drillats3.qa.lab"
>   user_port: 31010
>   control_port: 31011
>   data_port: 31012
> }
> error_type: 0
> message: "Failure while running fragment. < ClassCastException:[ org.apache.drill.exec.vector.IntVector cannot be cast to org.apache.drill.exec.vector.Float8Vector ]"
> ]
> Error: exception while executing query (state=,code=0)
> Default order by which is asc works.



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