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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-15874) Invalid position alias in Group By when CBO failed
Date Mon, 20 Feb 2017 11:11:44 GMT

    [ https://issues.apache.org/jira/browse/HIVE-15874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15874380#comment-15874380
] 

Hive QA commented on HIVE-15874:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12853541/HIVE-15874.patch

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

{color:red}ERROR:{color} -1 due to 7 failed/errored test(s), 10250 tests executed
*Failed tests:*
{noformat}
TestDerbyConnector - did not produce a TEST-*.xml file (likely timed out) (batchId=235)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[cbo_rp_auto_join1] (batchId=3)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[join31] (batchId=81)
org.apache.hadoop.hive.cli.TestEncryptedHDFSCliDriver.testCliDriver[encryption_join_with_different_encryption_keys]
(batchId=159)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[multiMapJoin2] (batchId=152)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[join31] (batchId=133)
org.apache.hive.beeline.TestBeeLineWithArgs.testQueryProgressParallel (batchId=211)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/3655/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/3655/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-3655/

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: 7 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12853541 - PreCommit-HIVE-Build

> Invalid position alias in Group By when CBO failed 
> ---------------------------------------------------
>
>                 Key: HIVE-15874
>                 URL: https://issues.apache.org/jira/browse/HIVE-15874
>             Project: Hive
>          Issue Type: Bug
>          Components: CBO
>    Affects Versions: 1.2.1, 2.1.1
>            Reporter: Walter Wu
>            Assignee: Pengcheng Xiong
>         Attachments: HIVE-15874.patch
>
>
> for example´╝Ü
> create table alias_test_01(a INT, b STRING) ;
> create table alias_test_02(a INT, b STRING) ;
> create table alias_test_03(a INT, b STRING) ;
> set hive.groupby.position.alias = true;
> set hive.cbo.enable=true;
> explain 
> select * from 
> alias_test_01 alias01 
> left join 
> (
> select 2017 as a, b from alias_test_02 group by 1, 2
> ) alias02 
> on alias01.a = alias02.a 
> left join 
> alias_test_03 alias03
> on alias01.a = alias03.a;
> error info:
> FAILED: SemanticException [Error 10220]: Invalid position alias in Group By
> Position alias: 2017 does not exist
> The Select List is indexed from 1 to 2
> the first process Position Alias result:
> when CBO optimize failed and reAnalyzeAST is true, position alias will be processed twice.
> 1.   'group by 1, 2' convert to 'group by 2017, b'
> 2.   'group by 2017, b'  2017 column does not exist



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