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From "David Ciemiewicz (JIRA)" <j...@apache.org>
Subject [jira] Created: (PIG-596) Anonymous tuples in bags create ParseExceptions
Date Thu, 01 Jan 2009 01:52:44 GMT
Anonymous tuples in bags create ParseExceptions
-----------------------------------------------

                 Key: PIG-596
                 URL: https://issues.apache.org/jira/browse/PIG-596
             Project: Pig
          Issue Type: Bug
    Affects Versions: types_branch
            Reporter: David Ciemiewicz


{code}
One = load 'one.txt' using PigStorage() as ( one: int );

LabelledTupleInBag = foreach One generate { ( 1, 2 ) } as mybag { tuplelabel: tuple ( a, b
) };

AnonymousTupleInBag = foreach One generate { ( 2, 3 ) } as mybag { tuple ( a, b ) }; -- Anonymous
tuple creates bug

Tuples = union LabelledTupleInBag, AnonymousTupleInBag;

dump Tuples;
{code}

java.io.IOException: Encountered "{ tuple" at line 6, column 66.
Was expecting one of:
    "parallel" ...
    ";" ...
    "," ...
    ":" ...
    "(" ...
    "{" <IDENTIFIER> ...
    "{" "}" ...
    "[" ...
    
        at org.apache.pig.PigServer.parseQuery(PigServer.java:298)
        at org.apache.pig.PigServer.registerQuery(PigServer.java:263)
        at org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:439)
        at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:249)
        at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:84)
        at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:64)
        at org.apache.pig.Main.main(Main.java:306)
Caused by: org.apache.pig.impl.logicalLayer.parser.ParseException: Encountered "{ tuple" at
line 6, column 66.

Why can't there be an anonymous tuple at the top level of a bag?


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