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From "Viraj Bhat (JIRA)" <j...@apache.org>
Subject [jira] Created: (PIG-731) Passing semicolon as a parameter in UDF causes parser error
Date Tue, 24 Mar 2009 23:11:52 GMT
Passing semicolon as a parameter in UDF causes parser error 
------------------------------------------------------------

                 Key: PIG-731
                 URL: https://issues.apache.org/jira/browse/PIG-731
             Project: Pig
          Issue Type: Bug
          Components: grunt
    Affects Versions: 1.0.1
            Reporter: Viraj Bhat
             Fix For: 1.0.1


Pig script, which uses a UDF  loads in 3 chararray columns, and then concatenates columns
2 and 3 using a semicolon.
{code}
register CONCATSEP.jar;
A = LOAD 'someinput/*' USING PigStorage(';') as (col1:chararray,col2:chararray,col3:chararray);
B = FOREACH A GENERATE col1, string.CONCATSEP(';',col2,col3) as newcol;
STORE B INTO 'someoutput' USING PigStorage(';');
{code}

The following script causes an error during the parsing stage due to the semicolon present
in the UDF.
=================================================================================
2009-03-24 15:50:56,454 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1000: Error
during parsing. Lexical error at line 3, column 49.  Encountered: <EOF> after : "\';"
Details at logfile: /homes/viraj/pig-svn/trunk/pig_1237935055635.log
=================================================================================

There is no workaround for the same, expect to hardcode this in the UDF.

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