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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 Sat, 04 Aug 2018 09:28:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-20292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16569134#comment-16569134
] 

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



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12934377/HIVE-20292.5.patch

{color:red}ERROR:{color} -1 due to build exiting with an error

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/13041/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/13041/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-13041/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Tests exited with: Exception: Patch URL https://issues.apache.org/jira/secure/attachment/12934377/HIVE-20292.5.patch
was found in seen patch url's cache and a test was probably run already on it. Aborting...
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12934377 - 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
>
>
> 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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