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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