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From "Hive QA (JIRA)" <>
Subject [jira] [Commented] (HIVE-12017) Do not disable CBO by default when number of joins in a query is equal or less than 1
Date Mon, 16 Nov 2015 22:29:11 GMT


Hive QA commented on HIVE-12017:

Here are the results of testing the latest attachment:

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

{color:red}ERROR:{color} -1 due to 4 failed/errored test(s), 9783 tests executed
*Failed tests:*
TestHWISessionManager - did not produce a TEST-*.xml file

Test results:
Console output:
Test logs:

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: 4 tests failed

This message is automatically generated.

ATTACHMENT ID: 12772543 - PreCommit-HIVE-TRUNK-Build

> Do not disable CBO by default when number of joins in a query is equal or less than 1
> -------------------------------------------------------------------------------------
>                 Key: HIVE-12017
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>          Components: CBO
>    Affects Versions: 2.0.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>         Attachments: HIVE-12017.01.patch, HIVE-12017.02.patch, HIVE-12017.03.patch, HIVE-12017.04.patch,
HIVE-12017.05.patch, HIVE-12017.06.patch, HIVE-12017.07.patch, HIVE-12017.08.patch, HIVE-12017.09.patch,
> Instead, we could disable some parts of CBO that are not relevant if the query contains
1 or 0 joins. Implementation should be able to define easily other query patterns for which
we might disable some parts of CBO (in case we want to do it in the future).

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