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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-10901) Optimize mutli column distinct queries
Date Wed, 16 Nov 2016 02:31:58 GMT

    [ https://issues.apache.org/jira/browse/HIVE-10901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15669134#comment-15669134
] 

Hive QA commented on HIVE-10901:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12839085/HIVE-10901.03.patch

{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 7 failed/errored test(s), 10680 tests executed
*Failed tests:*
{noformat}
TestSparkCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=102)
	[skewjoinopt3.q,smb_mapjoin_4.q,timestamp_comparison.q,union_remove_10.q,mapreduce2.q,bucketmapjoin_negative.q,udf_in_file.q,auto_join12.q,skewjoin.q,vector_left_outer_join.q,semijoin.q,skewjoinopt9.q,smb_mapjoin_3.q,stats10.q,nullgroup4.q]
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[transform_ppr2] (batchId=133)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[join_acid_non_acid] (batchId=150)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[union_fast_stats] (batchId=145)
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver[explainanalyze_2] (batchId=91)
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver[explainanalyze_4] (batchId=91)
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver[multi_count_distinct] (batchId=90)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/2142/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/2142/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-2142/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 7 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12839085 - PreCommit-HIVE-Build

> Optimize  mutli column distinct queries 
> ----------------------------------------
>
>                 Key: HIVE-10901
>                 URL: https://issues.apache.org/jira/browse/HIVE-10901
>             Project: Hive
>          Issue Type: New Feature
>          Components: CBO, Logical Optimizer
>    Affects Versions: 1.2.0
>            Reporter: Mostafa Mokhtar
>            Assignee: Pengcheng Xiong
>         Attachments: HIVE-10901.02.patch, HIVE-10901.03.patch, HIVE-10901.patch
>
>
> HIVE-10568 is useful only when there is a distinct on one column. It can be expanded
for multiple column cases too.



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