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From "Vivek Padmanabhan (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (PIG-2309) Keyword 'NOT' is wrongly treated as a UDF in split statement
Date Thu, 29 Sep 2011 11:18:45 GMT
Keyword 'NOT' is wrongly treated as a UDF in split statement
------------------------------------------------------------

                 Key: PIG-2309
                 URL: https://issues.apache.org/jira/browse/PIG-2309
             Project: Pig
          Issue Type: Bug
    Affects Versions: 0.9.0
            Reporter: Vivek Padmanabhan


In the below script, the keyword NOT is wrongly interpreted as  UDF. 

register empty.jar;
a = load 'myinput' as (f1:chararray);
SPLIT a INTO a1 IF (EMPTY((chararray)f1) ), a2 IF(NOT(EMPTY((chararray)f1)) );
dump a2;


UDF EMPTY
---------
import java.io.IOException;
import org.apache.pig.FilterFunc;
import org.apache.pig.data.Tuple;
public class EMPTY extends FilterFunc {
	    @Override
	    public Boolean exec(Tuple input) throws IOException {
	            return new Boolean ( ((String)input.get(0)).isEmpty() );
	    }

}

This is issue is observed in 0.9 most likely because of the new parser, Pig 0.8 works fine
with this script. 
Would be helpful to know any workarounds in 0.9. 

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