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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (PIG-1073) LogicalPlanCloner can't clone plan containing LOJoin
Date Tue, 10 Nov 2009 06:30:33 GMT

     [ https://issues.apache.org/jira/browse/PIG-1073?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ashutosh Chauhan updated PIG-1073:
----------------------------------

    Attachment:     (was: pig-1073.patch)

> LogicalPlanCloner can't clone plan containing LOJoin
> ----------------------------------------------------
>
>                 Key: PIG-1073
>                 URL: https://issues.apache.org/jira/browse/PIG-1073
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>            Reporter: Ashutosh Chauhan
>            Assignee: Ashutosh Chauhan
>
> Add following testcase in LogicalPlanBuilder.java
> public void testLogicalPlanCloner() throws CloneNotSupportedException{
>         LogicalPlan lp = buildPlan("C = join ( load 'A') by $0, (load 'B') by $0;");
>         LogicalPlanCloner cloner = new LogicalPlanCloner(lp);
>         cloner.getClonedPlan();
>     }
> and this fails with the following stacktrace:
> java.lang.NullPointerException
>         at org.apache.pig.impl.logicalLayer.LOVisitor.visit(LOVisitor.java:171)
>         at org.apache.pig.impl.logicalLayer.PlanSetter.visit(PlanSetter.java:63)
>         at org.apache.pig.impl.logicalLayer.LOJoin.visit(LOJoin.java:213)
>         at org.apache.pig.impl.logicalLayer.LOJoin.visit(LOJoin.java:45)
>         at org.apache.pig.impl.plan.DepthFirstWalker.depthFirst(DepthFirstWalker.java:67)
>         at org.apache.pig.impl.plan.DepthFirstWalker.depthFirst(DepthFirstWalker.java:69)
>         at org.apache.pig.impl.plan.DepthFirstWalker.walk(DepthFirstWalker.java:50)
>         at org.apache.pig.impl.plan.PlanVisitor.visit(PlanVisitor.java:51)
>         at org.apache.pig.impl.logicalLayer.LogicalPlanCloneHelper.getClonedPlan(LogicalPlanCloneHelper.java:73)
>         at org.apache.pig.impl.logicalLayer.LogicalPlanCloner.getClonedPlan(LogicalPlanCloner.java:46)
>         at org.apache.pig.test.TestLogicalPlanBuilder.testLogicalPlanCloneHelper(TestLogicalPlanBuilder.java:2110)

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