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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-20292) Bad join ordering in tpcds query93 with primary constraint defined
Date Mon, 06 Aug 2018 06:24:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-20292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16569781#comment-16569781
] 

Hive QA commented on HIVE-20292:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12934417/HIVE-20292.7.patch

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

{color:green}SUCCESS:{color} +1 due to 14861 tests passed

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/13054/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/13054/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-13054/

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: 12934417 - PreCommit-HIVE-Build

> Bad join ordering in tpcds query93 with primary constraint defined
> ------------------------------------------------------------------
>
>                 Key: HIVE-20292
>                 URL: https://issues.apache.org/jira/browse/HIVE-20292
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Planning
>            Reporter: Vineet Garg
>            Assignee: Vineet Garg
>            Priority: Major
>         Attachments: HIVE-20292.1.patch, HIVE-20292.2.patch, HIVE-20292.3.patch, HIVE-20292.4.patch,
HIVE-20292.5.patch, HIVE-20292.6.patch, HIVE-20292.7.patch
>
>
> Query 93 has join (including outer) b/w store_sales, store_return and reason.  Without
constraints store_return is joined with reason and then with store_sales.
> But if a primary key is added on store_return (alter table store_returns add constraint
tpcds_pk_sr primary key (sr_item_sk, sr_ticket_number) disable novalidate rely) join order
becomes ((store_sales, store_return), reason) which is very inefficient.



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