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https://issues.apache.org/jira/browse/PIG-596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alan Gates reassigned PIG-596:
------------------------------
Assignee: Xuefu Zhang
> 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: 0.2.0
> Reporter: David Ciemiewicz
> Assignee: Xuefu Zhang
> Fix For: 0.9.0
>
>
> {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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