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From "Miklos Gergely (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-16924) Support distinct in presence of Group By
Date Fri, 15 Mar 2019 14:08:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-16924?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Miklos Gergely updated HIVE-16924:
----------------------------------
    Attachment: HIVE-16924.24.patch

> Support distinct in presence of Group By 
> -----------------------------------------
>
>                 Key: HIVE-16924
>                 URL: https://issues.apache.org/jira/browse/HIVE-16924
>             Project: Hive
>          Issue Type: New Feature
>          Components: Query Planning
>            Reporter: Carter Shanklin
>            Assignee: Miklos Gergely
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-16924.01.patch, HIVE-16924.02.patch, HIVE-16924.03.patch, HIVE-16924.04.patch,
HIVE-16924.05.patch, HIVE-16924.06.patch, HIVE-16924.07.patch, HIVE-16924.08.patch, HIVE-16924.09.patch,
HIVE-16924.10.patch, HIVE-16924.11.patch, HIVE-16924.12.patch, HIVE-16924.13.patch, HIVE-16924.14.patch,
HIVE-16924.15.patch, HIVE-16924.16.patch, HIVE-16924.17.patch, HIVE-16924.18.patch, HIVE-16924.19.patch,
HIVE-16924.20.patch, HIVE-16924.21.patch, HIVE-16924.22.patch, HIVE-16924.23.patch, HIVE-16924.24.patch
>
>          Time Spent: 4h 20m
>  Remaining Estimate: 0h
>
> {code:sql}
> create table e011_01 (c1 int, c2 smallint);
> insert into e011_01 values (1, 1), (2, 2);
> {code}
> These queries should work:
> {code:sql}
> select distinct c1, count(*) from e011_01 group by c1;
> select distinct c1, avg(c2) from e011_01 group by c1;
> {code}
> Currently, you get : 
> FAILED: SemanticException 1:52 SELECT DISTINCT and GROUP BY can not be in the same query.
Error encountered near token 'c1'



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