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Posted to dev@pig.apache.org by "Laukik Chitnis (JIRA)" <ji...@apache.org> on 2011/02/15 23:37:57 UTC
[jira] Commented: (PIG-1491) Failure planning nested FOREACH with
DISTINCT, POLoad cannot be cast to POLocalRearrange
[ https://issues.apache.org/jira/browse/PIG-1491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12995036#comment-12995036 ]
Laukik Chitnis commented on PIG-1491:
-------------------------------------
Latest trunk does not throw the exception reported in this jira, and produces result as expected.
> Failure planning nested FOREACH with DISTINCT, POLoad cannot be cast to POLocalRearrange
> ----------------------------------------------------------------------------------------
>
> Key: PIG-1491
> URL: https://issues.apache.org/jira/browse/PIG-1491
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.7.0
> Reporter: Scott Carey
> Assignee: Laukik Chitnis
> Fix For: 0.9.0
>
>
> I have a failure that occurs during planning while using DISTINCT in a nested FOREACH.
> Caused by: java.lang.ClassCastException: org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLoad cannot be cast to org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.SecondaryKeyOptimizer.visitMROp(SecondaryKeyOptimizer.java:352)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceOper.visit(MapReduceOper.java:218)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceOper.visit(MapReduceOper.java:40)
> at org.apache.pig.impl.plan.DepthFirstWalker.depthFirst(DepthFirstWalker.java:67)
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