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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-21395) Refactor HiveSemiJoinRule
Date Tue, 26 Mar 2019 05:51:01 GMT

    [ https://issues.apache.org/jira/browse/HIVE-21395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16801411#comment-16801411
] 

Hive QA commented on HIVE-21395:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12963678/HIVE-21395.2.patch

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

{color:green}SUCCESS:{color} +1 due to 15840 tests passed

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/16680/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/16680/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-16680/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12963678 - PreCommit-HIVE-Build

> Refactor HiveSemiJoinRule
> -------------------------
>
>                 Key: HIVE-21395
>                 URL: https://issues.apache.org/jira/browse/HIVE-21395
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Planning
>    Affects Versions: 4.0.0
>            Reporter: Vineet Garg
>            Assignee: Vineet Garg
>            Priority: Major
>         Attachments: HIVE-21395.1.patch, HIVE-21395.2.patch
>
>
> Following refactoring needs to be done:
> * Update the rule matching pattern to avoid using HepVertex
> * HIVE-21338 adds logic to determine if rel plan will produce at most one row. Use this
in HiveSemiJoinRule



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