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From "Craig Macdonald (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-32) Abstraction Layer to decouple Pig from Back-End
Date Mon, 04 Feb 2008 15:07:07 GMT

    [ https://issues.apache.org/jira/browse/PIG-32?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12565379#action_12565379
] 

Craig Macdonald commented on PIG-32:
------------------------------------

{{{
[user@blabla trunk]$ scripts/pig.pl -x local
I can't find HOD configuration for , hopefully you weren't planning on using HOD.
java.lang.ClassCastException: org.apache.pig.backend.local.executionengine.LocalExecutionEngine
cannot be cast to org.apache.pig.backend.hadoop.executionengine.HExecutionEngine
        at org.apache.pig.tools.grunt.GruntParser.setParams(GruntParser.java:93)
        at org.apache.pig.tools.grunt.Grunt.<init>(Grunt.java:42)
        at org.apache.pig.Main.main(Main.java:245)
}}}

No pig script run - just trying top open a grunt shell for local execution (revision 618301).

C


> Abstraction Layer to decouple Pig from Back-End
> -----------------------------------------------
>
>                 Key: PIG-32
>                 URL: https://issues.apache.org/jira/browse/PIG-32
>             Project: Pig
>          Issue Type: New Feature
>          Components: impl
>            Reporter: Antonio Magnaghi
>            Assignee: Antonio Magnaghi
>         Attachments: 2008.01.29.patch, DataStorage.diff, DataStorage20071212.diff, patch.2008.01.16.merge_w_trunk,
patch.2008.01.23.diff, PATCH.2008.01.31, patch2007_12_26.diff, patch2007_12_26_II.diff, patch2007_12_27.diff,
PIG-32.jdk1.5.patch, pig.jar, pig.jar.2008.01.16, TEST.LOG, TEST.LOGS
>
>
> I'm opening a new issue to track the development work to support an abstraction layer
for Pig as defined at http://wiki.apache.org/pig/PigAbstractionLayer

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