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From "Jesus Camacho Rodriguez (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-14843) HIVE-14751 introduced ambiguity in grammar
Date Wed, 28 Sep 2016 07:27:20 GMT

     [ https://issues.apache.org/jira/browse/HIVE-14843?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jesus Camacho Rodriguez updated HIVE-14843:
-------------------------------------------
       Resolution: Fixed
    Fix Version/s: 2.2.0
           Status: Resolved  (was: Patch Available)

Thanks for the review [~pxiong]. I double-checked and the messages related to ambiguity disappeared.
Pushed to master.

> HIVE-14751 introduced ambiguity in grammar
> ------------------------------------------
>
>                 Key: HIVE-14843
>                 URL: https://issues.apache.org/jira/browse/HIVE-14843
>             Project: Hive
>          Issue Type: Bug
>          Components: Parser
>    Affects Versions: 2.2.0
>            Reporter: Pengcheng Xiong
>            Assignee: Jesus Camacho Rodriguez
>             Fix For: 2.2.0
>
>         Attachments: HIVE-14843.01.patch
>
>
> As reported by [~ekoifman] and tested by myself, your patch introduced ambiguity into
the grammar.
> {code}
> warning(200): IdentifiersParser.g:327:5:
> Decision can match input such as "KW_DAY KW_TO KW_SECOND" using multiple alternatives:
2, 5
> As a result, alternative(s) 5 were disabled for that input
> warning(200): IdentifiersParser.g:327:5:
> Decision can match input such as "KW_YEAR KW_TO KW_MONTH" using multiple alternatives:
1, 3
> As a result, alternative(s) 3 were disabled for that input
> {code} 
> Could you please take another look? Thanks.



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