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