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https://issues.apache.org/jira/browse/HIVE-25084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Naresh P R updated HIVE-25084:
------------------------------
Attachment: test4.q
> Incorrect aggregate results on bucketed table
> ---------------------------------------------
>
> Key: HIVE-25084
> URL: https://issues.apache.org/jira/browse/HIVE-25084
> Project: Hive
> Issue Type: Bug
> Reporter: Naresh P R
> Priority: Major
> Attachments: test4.q
>
>
> Steps to repro
> {code:java}
> CREATE TABLE test_table(
> col1 int,
> col2 char(32),
> col3 varchar(3))
> CLUSTERED BY (col2)
> SORTED BY (
> col2 ASC,
> col3 ASC,
> col1 ASC)
> INTO 32 BUCKETS stored as orc;
> set hive.query.results.cache.enabled=false;
> insert into test_table values(2, "123456", "15");
> insert into test_table values(1, "123456", "15");
> SELECT col2, col3, max(col1) AS max_sequence FROM test_table GROUP BY col2,
> col3;
> ==> LocalFetch correct result <==
> 123456 15 2
> ==> Wrong result with Tez/Llap <==
> set hive.fetch.task.conversion=none;
> 123456 15 2
> 123456 15 1
> ==> Correct result with Tez/Llap disabling map aggregation <==
> set hive.map.aggr=false;
> 123456 15 2
> {code}
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