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https://issues.apache.org/jira/browse/DRILL-7587?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17047668#comment-17047668
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ASF GitHub Bot commented on DRILL-7587:
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arina-ielchiieva commented on pull request #2002: DRILL-7587: Fix ValuesPrule
distribution trait type
URL: https://github.com/apache/drill/pull/2002
[DRILL-7587](https://issues.apache.org/jira/browse/DRILL-7587): Fix
ValuesPrule distribution trait type
## Description
Incorrect result was retuning due to absence of singleton distribution trait
which forces to run such type of queries only in one fragment.
## Documentation
NA
## Testing
Add unit tests and run full test suit, including Functional and Advanced
tests.
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> Query with VALUES clause returns the wrong result when planner.slice_target
> is small
> ------------------------------------------------------------------------------------
>
> Key: DRILL-7587
> URL: https://issues.apache.org/jira/browse/DRILL-7587
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.16.0, 1.17.0
> Reporter: Vova Vysotskyi
> Assignee: Arina Ielchiieva
> Priority: Critical
> Fix For: 1.18.0
>
>
> *Problem description*
> The query returns the wrong result when {{planner.slice_target}} is less
> than the rows count returned from {{VALUES}}.
> *Steps to reproduce*
> 1. Set {{planner.slice_target}} to 1:
> {code:sql}
> set `planner.slice_target`=1;
> {code}
> 2. Run query with {{VALUES}} clause which returns more rows than 1:
> {code:sql}
> select id, name from (values(1234567890123456789, 'a'),
> (-1234567890123456789, 'z')) t(id, name);
> {code}
> *Expected result*
> {noformat}
> +----------------------+------+
> | id | name |
> +----------------------+------+
> | 1234567890123456789 | a |
> | -1234567890123456789 | z |
> +----------------------+------+
> {noformat}
> *Actual result*
> {noformat}
> +----------------------+------+
> | id | name |
> +----------------------+------+
> | 1234567890123456789 | a |
> | 1234567890123456789 | a |
> | -1234567890123456789 | z |
> | -1234567890123456789 | z |
> +----------------------+------+
> {noformat}
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