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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-21293) Fix ambiguity in grammar warnings at compilation time (II)
Date Fri, 22 Feb 2019 20:05:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-21293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16775555#comment-16775555
] 

Hive QA commented on HIVE-21293:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12959758/HIVE-21293.01.patch

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

{color:green}SUCCESS:{color} +1 due to 15811 tests passed

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/16205/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/16205/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-16205/

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
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12959758 - PreCommit-HIVE-Build

> Fix ambiguity in grammar warnings at compilation time (II)
> ----------------------------------------------------------
>
>                 Key: HIVE-21293
>                 URL: https://issues.apache.org/jira/browse/HIVE-21293
>             Project: Hive
>          Issue Type: Bug
>          Components: Parser
>    Affects Versions: 4.0.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Laszlo Bodor
>            Priority: Major
>         Attachments: HIVE-21293.01.patch
>
>
> These are the warnings at compilation time:
> {code}
> warning(200): IdentifiersParser.g:424:5:
> Decision can match input such as "KW_UNKNOWN" using multiple alternatives: 1, 10
> As a result, alternative(s) 10 were disabled for that input
> {code}
> This means that multiple parser rules can match certain query text, possibly leading
to unexpected errors at parsing time.



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