[jira] [Commented] (PIG-3153) TestScriptUDF.testJavascriptExampleScript fails in trunk

["Johnny Zhang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PIG-3153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13581653#comment-13581653 ] 

Johnny Zhang commented on PIG-3153:
-----------------------------------

please note in javascript, I use the x:{t:(word:chararray,num:long)} to define the return schema, which uses a bag to wrapper a tuple. This is the same as test testPythonAbsolutePath() did.

I tried to define the schema as t:(word:chararray,num:long), but didn't successfully to load the data into it correctly in 8 line of the javascript. I think this might be the case to all javascript. will look further.


                
> TestScriptUDF.testJavascriptExampleScript fails in trunk
> --------------------------------------------------------
>
>                 Key: PIG-3153
>                 URL: https://issues.apache.org/jira/browse/PIG-3153
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.12
>            Reporter: Cheolsoo Park
>            Assignee: Johnny Zhang
>             Fix For: 0.12
>
>         Attachments: PIG-3153.patch.txt, PIG-3153.patch.txt
>
>
> To reproduce the failure, do:
> {code}
> ant clean test -Dtestcase=TestScriptUDF
> {code}
> The test fails with the following error:
> {code}
> Caused by: org.apache.pig.impl.logicalLayer.FrontendException: ERROR 0: Given UDF returns an improper Schema. Schema should only contain one field of a Tuple, Bag, or a single type. Returns: {word: chararray,num: long}
>     at org.apache.pig.newplan.logical.expression.UserFuncExpression.getFieldSchema(UserFuncExpression.java:206)
>     at org.apache.pig.newplan.logical.optimizer.FieldSchemaResetter.execute(SchemaResetter.java:264)
>     at org.apache.pig.newplan.logical.expression.AllSameExpressionVisitor.visit(AllSameExpressionVisitor.java:143)
>     at org.apache.pig.newplan.logical.expression.UserFuncExpression.accept(UserFuncExpression.java:88)
>     at org.apache.pig.newplan.ReverseDependencyOrderWalker.walk(ReverseDependencyOrderWalker.java:70)
>     at org.apache.pig.newplan.PlanVisitor.visit(PlanVisitor.java:52)
>     at org.apache.pig.newplan.logical.optimizer.SchemaResetter.visitAll(SchemaResetter.java:67)
>     at org.apache.pig.newplan.logical.optimizer.SchemaResetter.visit(SchemaResetter.java:122)
>     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.logical.optimizer.SchemaResetter.visit(SchemaResetter.java:114)
>     at org.apache.pig.newplan.logical.relational.LOForEach.accept(LOForEach.java:76)
>     at org.apache.pig.newplan.DependencyOrderWalker.walk(DependencyOrderWalker.java:75)
>     at org.apache.pig.newplan.PlanVisitor.visit(PlanVisitor.java:52)
>     at org.apache.pig.parser.LogicalPlanBuilder.expandAndResetVisitor(LogicalPlanBuilder.java:402)
> {code}

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