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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-16441) De-duplicate semijoin branches in n-way joins
Date Sun, 23 Apr 2017 02:10:04 GMT

    [ https://issues.apache.org/jira/browse/HIVE-16441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15980224#comment-15980224
] 

Hive QA commented on HIVE-16441:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12864648/HIVE-16441.4.patch

{color:red}ERROR:{color} -1 due to no test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 2 failed/errored test(s), 10626 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestAccumuloCliDriver.testCliDriver[accumulo_index] (batchId=225)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[vector_if_expr] (batchId=143)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/4850/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/4850/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-4850/

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: 2 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12864648 - PreCommit-HIVE-Build

> De-duplicate semijoin branches in n-way joins
> ---------------------------------------------
>
>                 Key: HIVE-16441
>                 URL: https://issues.apache.org/jira/browse/HIVE-16441
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Deepak Jaiswal
>            Assignee: Deepak Jaiswal
>         Attachments: HIVE-16441.1.patch, HIVE-16441.2.patch, HIVE-16441.3.patch, HIVE-16441.4.patch
>
>
> Currently in n-way joins, semi join optimization creates n branches on same key. Instead
it should reuse one branch for all the joins.



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