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https://issues.apache.org/jira/browse/PHOENIX-5413?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16899515#comment-16899515
]
Hadoop QA commented on PHOENIX-5413:
------------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12976617/PHOENIX-5413.master.v2.patch
against master branch at commit 12c538ce2db4779b91bc294ebe8e4880673ff8c2.
ATTACHMENT ID: 12976617
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 3 new
or modified tests.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:red}-1 release audit{color}. The applied patch generated 1 release
audit warnings (more than the master's current 0 warnings).
{color:green}+1 lineLengths{color}. The patch does not introduce lines
longer than 100
{color:green}+1 core tests{color}. The patch passed unit tests in .
Test results:
https://builds.apache.org/job/PreCommit-PHOENIX-Build/2872//testReport/
Release audit warnings:
https://builds.apache.org/job/PreCommit-PHOENIX-Build/2872//artifact/patchprocess/patchReleaseAuditWarnings.txt
Console output:
https://builds.apache.org/job/PreCommit-PHOENIX-Build/2872//console
This message is automatically generated.
> 'case when' return a wrong result when working on a union all Subquery
> --------------------------------------------------------------------------
>
> Key: PHOENIX-5413
> URL: https://issues.apache.org/jira/browse/PHOENIX-5413
> Project: Phoenix
> Issue Type: Bug
> Affects Versions: 4.14.1
> Reporter: liushuo
> Priority: Major
> Attachments: PHOENIX-5413.4.14-HBase-1.3.v1.patch,
> PHOENIX-5413.master.v1.patch, PHOENIX-5413.master.v2.patch,
> image-2019-07-25-16-32-58-194.png
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
>
> {code:java}
> create table user_props (csid varchar primary key, dim varchar, dvalue
> varchar);
> UPSERT INTO user_props (csid,dim,dvalue)
> VALUES('a','ppl_peopleMainsiteCenter','4') ;
> UPSERT INTO user_props (csid,dim,dvalue)
> VALUES('b','ppl_peopleMainsiteCenter','4') ;
> UPSERT INTO user_props (csid,dim,dvalue)
> VALUES('c','ppl_peopleMainsiteCenter','4') ;
> create table id_cs1_mapping (id varchar primary key,cs1 varchar);
> UPSERT INTO id_cs1_mapping (id,cs1) VALUES('a','1111');
> UPSERT INTO id_cs1_mapping (id,cs1) VALUES('b','2222');
> UPSERT INTO id_cs1_mapping (id,cs1) VALUES('c','3333');{code}
> sql:
>
> {code:java}
> SELECT
> csid,
> case
> WHEN dim='ppl_peopleMainsiteCenter'
> THEN dvalue ELSE NULL
> end ppl_peopleMainsiteCenter
> FROM (
> SELECT
> csid, dim, dvalue
> FROM user_props
>
> UNION all
>
> SELECT
> id csid, 'cs1' dim, cs1 dvalue
> FROM id_cs1_mapping
> ) t {code}
> result:
> ||csid||ppl_peopleMainsiteCenter||
> |a|null|
> |b|null|
> |c|null|
> |a|null|
> |b|null|
> |c|null|
> but, i expect
> ||csid||ppl_peopleMainsiteCenter||
> |a|null|
> |b|null|
> |c|null|
> |a|4|
> |b|4|
> |c|4|
> debug code, i found that
> {code:java}
> case WHEN dim='ppl_peopleMainsiteCenter' THEN dvalue ELSE NULL end{code}
> is compiled
> {code:java}
> case WHEN fase THEN dvalue ELSE NULL end{code}
> I think the error result due to 'ComparisonExpression.java' line : 248, so
> that the result of ' if ' is true。
> maybe, add the condition ' lhsExprDataType.isFixedWidth() '. so, i get the
> expected result.
> !image-2019-07-25-16-32-58-194.png!
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