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From "Scott Carey (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-2511) Enable '*' to skip any fields that have already been generated and cast in other parts of the GENERATE, as in: foo = FOREACH my_relation GENERATE manipulate(foo1) as foo1, *;
Date Thu, 22 Mar 2012 18:06:22 GMT

    [ https://issues.apache.org/jira/browse/PIG-2511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13235816#comment-13235816
] 

Scott Carey commented on PIG-2511:
----------------------------------

"All I want to do is flatten it and project out two tuples."

I meant "All I want to do is flatten the tuple, project out two of its fields, and leave every
other field alone."
                
> Enable '*' to skip any fields that have already been generated and cast in other parts
of the GENERATE, as in: foo = FOREACH my_relation GENERATE manipulate(foo1) as foo1, *;
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: PIG-2511
>                 URL: https://issues.apache.org/jira/browse/PIG-2511
>             Project: Pig
>          Issue Type: New Feature
>          Components: grunt, parser
>    Affects Versions: 0.9.1
>            Reporter: Russell Jurney
>              Labels: grunt, latin, newbie, pig
>
> This should work:
> grunt> good_dates = foreach filtered generate CustomFormatToISO(date, 'EEE, dd MMM
yyyy HH:mm:ss Z') AS date, *;
> 2012-02-06 14:56:23,286 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1108: 
> <line 8, column 30> Duplicate schema alias: date
> 2012-02-06 14:56:23,286 [main] ERROR org.apache.pig.tools.grunt.Grunt - org.apache.pig.impl.plan.PlanValidationException:
ERROR 1108: 
> <line 8, column 30> Duplicate schema alias: date
> 	at org.apache.pig.newplan.logical.visitor.SchemaAliasVisitor.validate(SchemaAliasVisitor.java:74)
> 	at org.apache.pig.newplan.logical.visitor.SchemaAliasVisitor.visit(SchemaAliasVisitor.java:104)
> 	at org.apache.pig.newplan.logical.relational.LOGenerate.accept(LOGenerate.java:240)
> 	at org.apache.pig.newplan.DependencyOrderWalker.walk(DependencyOrderWalker.java:75)
> 	at org.apache.pig.newplan.PlanVisitor.visit(PlanVisitor.java:50)
> 	at org.apache.pig.newplan.logical.visitor.SchemaAliasVisitor.visit(SchemaAliasVisitor.java:99)
> 	at org.apache.pig.newplan.logical.relational.LOForEach.accept(LOForEach.java:74)
> 	at org.apache.pig.newplan.DependencyOrderWalker.walk(DependencyOrderWalker.java:75)
> 	at org.apache.pig.newplan.PlanVisitor.visit(PlanVisitor.java:50)
> 	at org.apache.pig.PigServer$Graph.compile(PigServer.java:1661)
> 	at org.apache.pig.PigServer$Graph.validateQuery(PigServer.java:1610)
> 	at org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1582)
> 	at org.apache.pig.PigServer.registerQuery(PigServer.java:584)
> 	at org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:942)
> 	at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:386)
> 	at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:188)
> 	at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:164)
> 	at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:69)
> 	at org.apache.pig.Main.run(Main.java:495)
> 	at org.apache.pig.Main.main(Main.java:111)

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