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From "John Sichi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HIVE-2057) eliminate parser warning for "Identifier DOT Identifier"
Date Tue, 15 Mar 2011 21:48:30 GMT
eliminate parser warning for "Identifier DOT Identifier"
--------------------------------------------------------

                 Key: HIVE-2057
                 URL: https://issues.apache.org/jira/browse/HIVE-2057
             Project: Hive
          Issue Type: Improvement
          Components: Query Processor
            Reporter: John Sichi


I noticed this warning in recent builds:

{noformat}
build-grammar:
     [echo] Building Grammar /data/users/jsichi/open/hive-trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/Hive.g
 ....
     [java] ANTLR Parser Generator  Version 3.0.1 (August 13, 2007)  1989-2007
     [java] warning(200): /data/users/jsichi/open/hive-trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/Hive.g:1503:5:
Decision can match input such as "Identifier DOT Identifier" using multiple alternatives:
1, 2
     [java] As a result, alternative(s) 2 were disabled for that input
{noformat}

This was introduced by HIVE-1517.  Is there a way to get rid of it?


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