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Posted to issues@hive.apache.org by "Vineet Garg (JIRA)" <ji...@apache.org> on 2017/06/07 23:04:18 UTC
[jira] [Updated] (HIVE-16851) Scalar subquery with group by missing
sq_count_check UDF
[ https://issues.apache.org/jira/browse/HIVE-16851?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vineet Garg updated HIVE-16851:
-------------------------------
Status: Patch Available (was: Open)
> Scalar subquery with group by missing sq_count_check UDF
> --------------------------------------------------------
>
> Key: HIVE-16851
> URL: https://issues.apache.org/jira/browse/HIVE-16851
> Project: Hive
> Issue Type: Bug
> Reporter: Vineet Garg
> Assignee: Vineet Garg
> Attachments: HIVE-16851.1.patch
>
>
> Query such as
> {code:sql}
> explain select * from part where p_size > (select max(p_size) from part group by p_type);
> {code}
> is missing {{sq_count_check}} UDF which ensures there is at most one row coming from subquery.
> This problem was originally reported as part of HIVE-16793
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