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Posted to dev@pig.apache.org by "Daniel Dai (JIRA)" <ji...@apache.org> on 2009/12/02 04:02:20 UTC

[jira] Updated: (PIG-922) Logical optimizer: push up project

     [ https://issues.apache.org/jira/browse/PIG-922?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daniel Dai updated PIG-922:
---------------------------

    Attachment: PIG-922-p3_12.patch

> Logical optimizer: push up project
> ----------------------------------
>
>                 Key: PIG-922
>                 URL: https://issues.apache.org/jira/browse/PIG-922
>             Project: Pig
>          Issue Type: New Feature
>          Components: impl
>    Affects Versions: 0.3.0
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>             Fix For: 0.6.0
>
>         Attachments: PIG-922-p1_0.patch, PIG-922-p1_1.patch, PIG-922-p1_2.patch, PIG-922-p1_3.patch, PIG-922-p1_4.patch, PIG-922-p2_preview.patch, PIG-922-p2_preview2.patch, PIG-922-p3_1.patch, PIG-922-p3_10.patch, PIG-922-p3_11.patch, PIG-922-p3_12.patch, PIG-922-p3_2.patch, PIG-922-p3_3.patch, PIG-922-p3_4.patch, PIG-922-p3_5.patch, PIG-922-p3_6.patch, PIG-922-p3_7.patch, PIG-922-p3_8.patch, PIG-922-p3_9.patch
>
>
> This is a continuation work of [PIG-697|https://issues.apache.org/jira/browse/PIG-697]. We need to add another rule to the logical optimizer: Push up project, ie, prune columns as early as possible.

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