Thejas M Nair created HIVE-4350:
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             Summary: support AS keyword for table alias
                 Key: HIVE-4350
                 URL: https://issues.apache.org/jira/browse/HIVE-4350
             Project: Hive
          Issue Type: Bug
          Components: SQL
    Affects Versions: 0.10.0
            Reporter: Thejas M Nair


SQL standard supports AS optional keyword, while creating an table alias.

http://savage.net.au/SQL/sql-92.bnf.html#table reference

Hive gives a error when the optional keyword is used -
select * from tiny as t1;
org.apache.hive.service.cli.HiveSQLException: Error while processing statement: 
FAILED: ParseException line 1:19 mismatched input 'as' expecting EOF near 'tiny'



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