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From "Jeremy Karn (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PIG-3355) ColumnMapKeyPrune bug with distinct operator
Date Fri, 14 Jun 2013 19:18:20 GMT

     [ https://issues.apache.org/jira/browse/PIG-3355?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jeremy Karn updated PIG-3355:

    Attachment: PIG-3355.patch
> ColumnMapKeyPrune bug with distinct operator
> --------------------------------------------
>                 Key: PIG-3355
>                 URL: https://issues.apache.org/jira/browse/PIG-3355
>             Project: Pig
>          Issue Type: Bug
>            Reporter: Jeremy Karn
>         Attachments: PIG-3355.patch
> We came across a bug that happens when you have a distinct operator immediately followed
by a union where the result of the union has at least one column that will be pruned by ColumnMapKeyPrune.
 There's a test showing an example script in the submitted patch.

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