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https://issues.apache.org/jira/browse/HIVE-16924?focusedWorklogId=203605&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-203605
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ASF GitHub Bot logged work on HIVE-16924:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 25/Feb/19 12:04
Start Date: 25/Feb/19 12:04
Worklog Time Spent: 10m
Work Description: kgyrtkirk commented on pull request #544: HIVE-16924
Support distinct in presence of Group By
URL: https://github.com/apache/hive/pull/544#discussion_r259792059
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java
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@@ -4230,6 +4229,34 @@ public static long unsetBit(long bitmap, int bitIdx) {
}
}
+ protected boolean isGroupBy(ASTNode expr) {
Review comment:
this method name suggest to me that the expression *is* a groupby; but
instead it seems it checks for wether the expression has a "brother" which is a
groupby
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Issue Time Tracking
-------------------
Worklog Id: (was: 203605)
Time Spent: 50m (was: 40m)
> 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
>
> Time Spent: 50m
> 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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