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From "Thejas M Nair (JIRA)" <j...@apache.org>
Subject [jira] Created: (PIG-1922) null is being treated as string constant in expressions
Date Sat, 19 Mar 2011 01:35:29 GMT
null is being treated as string constant in expressions
-------------------------------------------------------

                 Key: PIG-1922
                 URL: https://issues.apache.org/jira/browse/PIG-1922
             Project: Pig
          Issue Type: Bug
    Affects Versions: 0.8.0, 0.9.0
            Reporter: Thejas M Nair
             Fix For: 0.9.0


In following statement, the null gets translated to string constant. The statement is invalid,
and should result in an error. 
{code}
fil = filter l by a != null; -- This does not give an error, the correct usage is "a is not
null"
fil = filter l by a != adsf; -- this does give an error message saying that there is no column
asdf
{code}

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