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https://issues.apache.org/jira/browse/DRILL-5237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Serhii Harnyk updated DRILL-5237:
---------------------------------
Attachment: test_data.tar.gz
Files for reproducing this issue
> Same query produces different/wrong results
> -------------------------------------------
>
> Key: DRILL-5237
> URL: https://issues.apache.org/jira/browse/DRILL-5237
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Serhii Harnyk
> Assignee: Serhii Harnyk
> Attachments: test_data.tar.gz
>
>
> Query
> {code:sql}
> select count(*) as col from (select t1.a.a1 from (select t.*, flatten(t.b) as
> b from dfs.`/tmp/test_data` t where t.c is not null) t1 where t1.a .a1 like
> 'a1');
> {code}
> returns different results for different values for option
> planner.width.max_per_node
> With options
> {code:sql}
> alter session set `planner.slice_target` = 1;
> alter session set `planner.width.max_per_node` = 1;
> {code}
> query returns correct result:
> {noformat}
> +------+
> | col |
> +------+
> | 3 |
> +------+
> {noformat}
> but with options
> {code:sql}
> alter session set `planner.slice_target` = 1;
> alter session set `planner.width.max_per_node` = 3;
> {code}
> the same query returns wrong result
> {noformat}
> +------+
> | col |
> +------+
> | 2 |
> +------+
> {noformat}
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