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https://issues.apache.org/jira/browse/HIVE-25448?focusedWorklogId=731535&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-731535
]
ASF GitHub Bot logged work on HIVE-25448:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 23/Feb/22 13:25
Start Date: 23/Feb/22 13:25
Worklog Time Spent: 10m
Work Description: kgyrtkirk commented on a change in pull request #2585:
URL: https://github.com/apache/hive/pull/2585#discussion_r812739484
##########
File path: ql/src/test/results/clientpositive/llap/autoColumnStats_7.q.out
##########
@@ -56,7 +56,7 @@ STAGE PLANS:
key expressions: _col0 (type: string), _col1 (type:
string)
null sort order: zz
sort order: ++
- Map-reduce partition columns: _col0 (type: string)
+ Map-reduce partition columns: _col0 (type: string),
_col1 (type: string)
Review comment:
do you happen to have a directed testcase which were working incorrectly
before this patch?
I guess it was returning 3 for distinct in case the rows were in the order
of:
```
a | b
a | a
a | b
```
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Issue Time Tracking
-------------------
Worklog Id: (was: 731535)
Time Spent: 2h 10m (was: 2h)
> Invalid partition columns when skew with distinct
> -------------------------------------------------
>
> Key: HIVE-25448
> URL: https://issues.apache.org/jira/browse/HIVE-25448
> Project: Hive
> Issue Type: Bug
> Components: Logical Optimizer
> Reporter: Zhihua Deng
> Assignee: Zhihua Deng
> Priority: Major
> Labels: pull-request-available
> Time Spent: 2h 10m
> Remaining Estimate: 0h
>
> When hive.groupby.skewindata is enabled, we spray by the grouping key and
> distinct key if distinct is present in the first reduce sink operator.
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