[
https://issues.apache.org/jira/browse/PIG-1978?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Daniel Dai updated PIG-1978:
----------------------------
Attachment: PIG-1978-1.patch
> Secondary sort fail when dereferencing two fields inside foreach
> ----------------------------------------------------------------
>
> Key: PIG-1978
> URL: https://issues.apache.org/jira/browse/PIG-1978
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: 0.9.0
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Fix For: 0.9.0
>
> Attachments: PIG-1978-1.patch
>
>
> The following script fail:
> {code}
> a = load '1.txt' as (a0, a1, a2);
> b = group a by (a0, a1);
> c = foreach b {
> c1 = a.(a1,a2);
> generate group, c1;
> }
> explain c;
> {code}
> Error message:
> Caused by: org.apache.pig.impl.logicalLayer.FrontendException: ERROR 0:
> POForEach has more than 1 input plans
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.SecondaryKeyOptimizer$SecondaryKeyDiscover.processForEach(SecondaryKeyOptimizer.java:551)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.SecondaryKeyOptimizer$SecondaryKeyDiscover.processRoot(SecondaryKeyOptimizer.java:485)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.SecondaryKeyOptimizer$SecondaryKeyDiscover.process(SecondaryKeyOptimizer.java:470)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.SecondaryKeyOptimizer.visitMROp(SecondaryKeyOptimizer.java:254)
> Thanks William reporting.
--
This message is automatically generated by JIRA.
For more information on JIRA, see: http://www.atlassian.com/software/jira
