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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-12808) Logical PPD: Push filter clauses through PTF(Windowing) into TS
Date Sun, 21 Feb 2016 02:36:18 GMT

    [ https://issues.apache.org/jira/browse/HIVE-12808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15155860#comment-15155860
] 

Hive QA commented on HIVE-12808:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12788757/HIVE-12808.05.patch

{color:green}SUCCESS:{color} +1 due to 2 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 3 failed/errored test(s), 9817 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testNegativeCliDriver_authorization_uri_import
org.apache.hadoop.hive.cli.TestPerfCliDriver.testPerfCliDriver_query70
org.apache.hive.jdbc.TestSSL.testSSLVersion
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/7044/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/7044/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-7044/

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: 3 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12788757 - PreCommit-HIVE-TRUNK-Build

> Logical PPD: Push filter clauses through PTF(Windowing) into TS
> ---------------------------------------------------------------
>
>                 Key: HIVE-12808
>                 URL: https://issues.apache.org/jira/browse/HIVE-12808
>             Project: Hive
>          Issue Type: Bug
>          Components: Logical Optimizer
>    Affects Versions: 1.2.1, 2.0.0
>            Reporter: Gopal V
>            Assignee: Laljo John Pullokkaran
>         Attachments: HIVE-12808.01.patch, HIVE-12808.02.patch, HIVE-12808.03.patch, HIVE-12808.04.patch,
HIVE-12808.05.patch
>
>
> Simplified repro case of [HCC #8880|https://community.hortonworks.com/questions/8880/hive-on-tez-pushdown-predicate-doesnt-work-in-part.html],
with the slow query showing the push-down miss. 
> And the manually rewritten query to indicate the expected one.
> Part of the problem could be the window range not being split apart for PPD, but the
FIL is not pushed down even if the rownum filter is removed.
> {code}
> create temporary table positions (regionid string, id bigint, deviceid string, ts string);
> insert into positions values('1d6a0be1-6366-4692-9597-ebd5cd0f01d1', 1422792010, '6c5d1a30-2331-448b-a726-a380d6b3a432',
'2016-01-01'),
> ('1d6a0be1-6366-4692-9597-ebd5cd0f01d1', 1422792010, '6c5d1a30-2331-448b-a726-a380d6b3a432',
'2016-01-01'),
> ('1d6a0be1-6366-4692-9597-ebd5cd0f01d1', 1422792010, '6c5d1a30-2331-448b-a726-a380d6b3a432',
'2016-01-02'),
> ('1d6a0be1-6366-4692-9597-ebd5cd0f01d1', 1422792010, '6c5d1a30-2331-448b-a726-a380d6b3a432',
'2016-01-02');
> -- slow query
> explain
> WITH t1 AS 
> ( 
>          SELECT   *, 
>                   Row_number() over ( PARTITION BY regionid, id, deviceid ORDER BY ts
DESC) AS rownos
>          FROM     positions ), 
> latestposition as ( 
>        SELECT * 
>        FROM   t1 
>        WHERE  rownos = 1) 
> SELECT * 
> FROM   latestposition 
> WHERE  regionid='1d6a0be1-6366-4692-9597-ebd5cd0f01d1' 
> AND    id=1422792010 
> AND    deviceid='6c5d1a30-2331-448b-a726-a380d6b3a432';
> -- fast query
> explain
> WITH t1 AS 
> ( 
>          SELECT   *, 
>                   Row_number() over ( PARTITION BY regionid, id, deviceid ORDER BY ts
DESC) AS rownos
>          FROM     positions 
>          WHERE  regionid='1d6a0be1-6366-4692-9597-ebd5cd0f01d1' 
>          AND    id=1422792010 
>          AND    deviceid='6c5d1a30-2331-448b-a726-a380d6b3a432'
> ),latestposition as ( 
>        SELECT * 
>        FROM   t1 
>        WHERE  rownos = 1) 
> SELECT * 
> FROM   latestposition 
> ;
> {code}



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