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From "Hive QA (Jira)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-23176) Remove SELECT REGEX Column Feature
Date Mon, 13 Apr 2020 18:28:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-23176?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17082565#comment-17082565
] 

Hive QA commented on HIVE-23176:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12999781/HIVE-23176.4.patch

{color:green}SUCCESS:{color} +1 due to 7 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 5 failed/errored test(s), 17400 tests executed
*Failed tests:*
{noformat}
TestLocalSparkCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=264)
TestMiniSparkOnYarnCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=264)
TestSparkCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=264)
TestSparkNegativeCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=264)
TestSparkPerfCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=264)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/21607/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/21607/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-21607/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 5 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12999781 - PreCommit-HIVE-Build

> Remove SELECT REGEX Column Feature
> ----------------------------------
>
>                 Key: HIVE-23176
>                 URL: https://issues.apache.org/jira/browse/HIVE-23176
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: David Mollitor
>            Assignee: David Mollitor
>            Priority: Major
>         Attachments: HIVE-23176.1.patch, HIVE-23176.2.patch, HIVE-23176.3.patch, HIVE-23176.4.patch
>
>
> Remove the Hive feature: REGEX Column.
>  
> Hive has this interesting feature for doing REGEX to SELECT multiple columns.  This
needs to go.  It is not SQL standard and as currently implemented, it is impossible to determine
if a column identifier is a REGEX or the actual name of the column.  If a column name is
enclosed in back ticks then any UTF-8 character is a valid table name.
>  
> [https://dev.mysql.com/doc/refman/8.0/en/identifiers.html]
> [https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Select]



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