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https://issues.apache.org/jira/browse/PIG-4968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15423720#comment-15423720
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liyunzhang_intel commented on PIG-4968:
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[~knoguchi]:
Sorry reply late. Actually TestLogicalPlanBuilder is not in the
test/spark-tests. i will test this unit test after merging with trunk and if
find problem, i will notify you. thanks.
> Fix unit test failure of TestLogicalPlanBuilder#testQuery90
> ------------------------------------------------------------
>
> Key: PIG-4968
> URL: https://issues.apache.org/jira/browse/PIG-4968
> Project: Pig
> Issue Type: Bug
> Reporter: liyunzhang_intel
> Assignee: liyunzhang_intel
> Attachments: PIG-4968.patch
>
>
> In jenkins, [it
> |https://builds.apache.org/job/Pig-trunk/1935/#showFailuresLink] shows that
> TestLogicalPlanBuilder#testQuery90 fails. After debugging, it always fails in
> [Line1139
> |https://github.com/apache/pig/blob/trunk/test/org/apache/pig/test/TestLogicalPlanBuilder.java#L1138]
> {code}
> Assert.assertTrue(foreach.getSchema().toString( false
> ).equals("mygroup:tuple(myname:chararray,myage:int),mycount:long"));
> {code}
> The script is
> {code}
> a = load 'myfile' as (name:Chararray, age:Int, gpa:Float);b = group a by
> (name, age);c = foreach b generate group as mygroup:(myname, myage), COUNT(a)
> as mycount;store c into 'output';
> {code}
>
> The reason why fails is because the schema of mygroup(myname,myage) is
> mygroup(myname:bytearray,myage:bytearray) and this user-defined schema is
> assigned to c. so the schema of c is
> not mygroup:tuple(myname:chararray,myage:int) but
> mygroup:tuple(myname:bytearray,myage:bytearray).
> This problem is imported since PIG-2315 as ForEachUserSchemaVisitor is used
> in
> [LogicalPlan|https://github.com/apache/pig/blob/trunk/src/org/apache/pig/newplan/logical/relational/LogicalPlan.java#L179].
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