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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-14431) Recognize COALESCE as CASE
Date Thu, 02 Feb 2017 16:07:51 GMT

    [ https://issues.apache.org/jira/browse/HIVE-14431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15850095#comment-15850095
] 

Hive QA commented on HIVE-14431:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12823995/HIVE-14431.2.patch

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

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/3328/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/3328/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-3328/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Tests exited with: NonZeroExitCodeException
Command 'bash /data/hiveptest/working/scratch/source-prep.sh' failed with exit status 1 and
output '+ date '+%Y-%m-%d %T.%3N'
2017-02-02 16:07:47.474
+ [[ -n /usr/lib/jvm/java-8-openjdk-amd64 ]]
+ export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
+ JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
+ export PATH=/usr/lib/jvm/java-8-openjdk-amd64/bin/:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games
+ PATH=/usr/lib/jvm/java-8-openjdk-amd64/bin/:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games
+ export 'ANT_OPTS=-Xmx1g -XX:MaxPermSize=256m '
+ ANT_OPTS='-Xmx1g -XX:MaxPermSize=256m '
+ export 'MAVEN_OPTS=-Xmx1g '
+ MAVEN_OPTS='-Xmx1g '
+ cd /data/hiveptest/working/
+ tee /data/hiveptest/logs/PreCommit-HIVE-Build-3328/source-prep.txt
+ [[ false == \t\r\u\e ]]
+ mkdir -p maven ivy
+ [[ git = \s\v\n ]]
+ [[ git = \g\i\t ]]
+ [[ -z master ]]
+ [[ -d apache-github-source-source ]]
+ [[ ! -d apache-github-source-source/.git ]]
+ [[ ! -d apache-github-source-source ]]
+ date '+%Y-%m-%d %T.%3N'
2017-02-02 16:07:47.477
+ cd apache-github-source-source
+ git fetch origin
+ git reset --hard HEAD
HEAD is now at 7cca097 HIVE-14420: Fix orc_llap_counters.q test failure in master (Prasanth
Jayachandran reviewed by Siddharth Seth)
+ git clean -f -d
+ git checkout master
Already on 'master'
Your branch is up-to-date with 'origin/master'.
+ git reset --hard origin/master
HEAD is now at 7cca097 HIVE-14420: Fix orc_llap_counters.q test failure in master (Prasanth
Jayachandran reviewed by Siddharth Seth)
+ git merge --ff-only origin/master
Already up-to-date.
+ date '+%Y-%m-%d %T.%3N'
2017-02-02 16:07:48.833
+ patchCommandPath=/data/hiveptest/working/scratch/smart-apply-patch.sh
+ patchFilePath=/data/hiveptest/working/scratch/build.patch
+ [[ -f /data/hiveptest/working/scratch/build.patch ]]
+ chmod +x /data/hiveptest/working/scratch/smart-apply-patch.sh
+ /data/hiveptest/working/scratch/smart-apply-patch.sh /data/hiveptest/working/scratch/build.patch
error: a/ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/HiveRexUtil.java: No such
file or directory
error: a/ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/translator/RexNodeConverter.java:
No such file or directory
The patch does not appear to apply with p0, p1, or p2
+ exit 1
'
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12823995 - PreCommit-HIVE-Build

> Recognize COALESCE as CASE
> --------------------------
>
>                 Key: HIVE-14431
>                 URL: https://issues.apache.org/jira/browse/HIVE-14431
>             Project: Hive
>          Issue Type: Improvement
>          Components: CBO
>    Affects Versions: 2.2.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Remus Rusanu
>         Attachments: HIVE-14431.01.patch, HIVE-14431.2.patch, HIVE-14431.patch
>
>
> Transform:
> {code}
> (COALESCE(a, '')  = '') OR
>            (a = 'A' AND b = c)  OR
>            (a = 'B' AND b = d) OR
>            (a = 'C' AND b = e) OR
>            (a = 'D' AND b = f) OR
>            (a = 'E' AND b = g) OR
>            (a = 'F' AND b = h)
> {code}
> into:
> {code}
> (a='') OR
>            (a is null) OR
>            (a = 'A' AND b = c)  OR
>            (a = 'B' AND b = d) OR
>            (a = 'C' AND b = e) OR
>            (a = 'D' AND b = f) OR
>            (a = 'E' AND b = g) OR
>            (a = 'F' AND b = h)
> {code}
> With complex queries, this will lead us to factor more predicates that could be pushed
to the TS.



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