[jira] [Commented] (DRILL-1842) SELECT COUNT DISTINCT with HAVING fails to plan the query

["Sean Hsuan-Yi Chu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DRILL-1842?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14366155#comment-14366155 ] 

Sean Hsuan-Yi Chu commented on DRILL-1842:
------------------------------------------

[~amansinha100], it might be related your current work. So I assign to you.

> SELECT COUNT DISTINCT with HAVING fails to plan the query
> ---------------------------------------------------------
>
>                 Key: DRILL-1842
>                 URL: https://issues.apache.org/jira/browse/DRILL-1842
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>    Affects Versions: 0.6.0
>            Reporter: Chris Matta
>            Assignee: Sean Hsuan-Yi Chu
>             Fix For: 0.9.0
>
>         Attachments: ip-172-16-1-175_drillbit.log
>
>
> Tableau is using the following query to get the distinct count of a measure:
> {code:SQL}
> SELECT COUNT(DISTINCT `custview`.`age`) AS `ctd_age_ok` FROM `mfs.views`.`nestedclickview` `nestedclickview` INNER JOIN `mfs.views`.`custview` `custview` ON (`nestedclickview`.`cust_id` = `custview`.`cust_id`) HAVING (COUNT(1) > 0);
> {code}
> And it fails on 0.06r2 with a planing error.
> Interestingly if I remove the HAVING(COUNT(1)>0) statement at the end it works:
> {code}
> : jdbc:drill:zk=172.16.1.175:5181,172.16.1.1> SELECT COUNT(DISTINCT `custview`.`age`) AS `ctd_age_ok` FROM `mfs.views`.`nestedclickview` `nestedclickview` INNER JOIN `mfs.views`.`custview` `custview` ON (`nestedclickview`.`cust_id` = `custview`.`cust_id`);
> +------------+ 
> | ctd_age_ok | 
> +------------+ 
> | 5          | 
> +------------+ 
> 1 row selected (4.776 seconds)
> {code}



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