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From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3530) warnings in Hive.g
Date Thu, 04 Oct 2012 05:23:08 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13469160#comment-13469160
] 

Namit Jain commented on HIVE-3530:
----------------------------------

[~zhenxiao], can you take a look if possible ?
                
> warnings in Hive.g
> ------------------
>
>                 Key: HIVE-3530
>                 URL: https://issues.apache.org/jira/browse/HIVE-3530
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Namit Jain
>
>      Building Grammar /Users/njain/hive/hive3/ql/src/java/org/apache/hadoop/hive/ql/parse/Hive.g
 ....
>      ANTLR Parser Generator  Version 3.0.1 (August 13, 2007)  1989-2007
>      warning(200): /Users/njain/hive/hive3/ql/src/java/org/apache/hadoop/hive/ql/parse/Hive.g:578:5:
Decision can match input such as "Identifier KW_RENAME KW_TO" using multiple alternatives:
1, 10
>      As a result, alternative(s) 10 were disabled for that input
>      warning(200): /Users/njain/hive/hive3/ql/src/java/org/apache/hadoop/hive/ql/parse/Hive.g:1607:5:
Decision can m
> atch input such as "Identifier DOT Identifier" using multiple alternatives: 1, 2
>      As a result, alternative(s) 2 were disabled for that input
>      warning(200): /Users/njain/hive/hive3/ql/src/java/org/apache/hadoop/hive/ql/parse/Hive.g:1823:5:
Decision can match input such as "KW_ORDER KW_BY LPAREN" using multiple alternatives: 1, 2
>      As a result, alternative(s) 2 were disabled for that input
>      warning(200): /Users/njain/hive/hive3/ql/src/java/org/apache/hadoop/hive/ql/parse/Hive.g:1836:5:
Decision can match input such as "KW_CLUSTER KW_BY LPAREN" using multiple alternatives: 1,
2
>      As a result, alternative(s) 2 were disabled for that input
>      warning(200): /Users/njain/hive/hive3/ql/src/java/org/apache/hadoop/hive/ql/parse/Hive.g:1848:5:
Decision can match input such as "KW_DISTRIBUTE KW_BY LPAREN" using multiple alternatives:
1, 2
>      As a result, alternative(s) 2 were disabled for that input
>      warning(200): /Users/njain/hive/hive3/ql/src/java/org/apache/hadoop/hive/ql/parse/Hive.g:1859:5:
Decision can match input such as "KW_SORT KW_BY LPAREN" using multiple alternatives: 1, 2
>      As a result, alternative(s) 2 were disabled for that input
> Most of these seem to be due to HIVE-1367

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