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Posted to issues@hive.apache.org by "Jose Martinez Poblete (Jira)" <ji...@apache.org> on 2022/03/10 16:12:00 UTC
[jira] [Commented] (HIVE-25838) Hive SQL using TEZ as execution engine not giving result on empty partition
[ https://issues.apache.org/jira/browse/HIVE-25838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17504390#comment-17504390 ]
Jose Martinez Poblete commented on HIVE-25838:
----------------------------------------------
Hive is working as expected. See HIVE-15397
> Hive SQL using TEZ as execution engine not giving result on empty partition
> ---------------------------------------------------------------------------
>
> Key: HIVE-25838
> URL: https://issues.apache.org/jira/browse/HIVE-25838
> Project: Hive
> Issue Type: Bug
> Affects Versions: 3.1.0
> Reporter: dinesh
> Priority: Major
>
> Hive SQL's on empty partitions giving no result instead of 0 rows or actual value. For example -
> --Create external Table
> 1) Create external table test_tbl ( name string) partitioned by ( company string, processdate string) stored as orc location '/my/some/random/location';
> – Add partion
> 2) Alter table test_tbl add partition ( company='aquaifer', processdate='20220101');
>
> – Execute following SQL's which returns no records.
> 3) select max( company ) , processdate from test_tbl group by processdate ;
> 4) select max(processdate ) from test_tbl ;
>
> Same SQL (#3 & #4 above) , when execute with SPARK, returns '0' count and '20220101' respectively.
>
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