flatten causes schema naming problems
-------------------------------------
Key: PIG-400
URL: https://issues.apache.org/jira/browse/PIG-400
Project: Pig
Issue Type: Bug
Affects Versions: types_branch
Reporter: Olga Natkovich
Fix For: types_branch
Script:
A = load 'data' as (name: chararray, age: chararray, gpa: float);
B = group A by (name, age);
C = foreach B generate flatten(group) as res, COUNT(A);
D = foreach C generate res;
dump D;
Error:
java.io.IOException: Invalid alias: res in {res::name: chararray,res::age:
chararray,long}
at org.apache.pig.PigServer.registerQuery(PigServer.java:255)
at
org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:422)
at
org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:241)
at
org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:82)
at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:64)
at org.apache.pig.Main.main(Main.java:302)
Caused by: org.apache.pig.impl.logicalLayer.parser.ParseException: Invalid
alias: res in {res::name: chararray,res::age: chararray,long}
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