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From "Dmitriy V. Ryaboy (JIRA)" <j...@apache.org>
Subject [jira] Updated: (PIG-990) Provide a way to pin LogicalOperator Options
Date Thu, 26 Nov 2009 02:12:39 GMT

     [ https://issues.apache.org/jira/browse/PIG-990?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dmitriy V. Ryaboy updated PIG-990:
----------------------------------

    Status: Open  (was: Patch Available)

> Provide a way to pin LogicalOperator Options
> --------------------------------------------
>
>                 Key: PIG-990
>                 URL: https://issues.apache.org/jira/browse/PIG-990
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>            Reporter: Dmitriy V. Ryaboy
>            Assignee: Dmitriy V. Ryaboy
>            Priority: Minor
>             Fix For: 0.7.0
>
>         Attachments: pinned_options.patch, pinned_options_2.patch, pinned_options_3.patch,
pinned_options_4.patch
>
>
> This is a proactive patch, setting up the groundwork for adding an optimizer.
> Some of the LogicalOperators have options. For example, LOJoin has a variety of join
types (regular, fr, skewed, merge), which can be set by the user or chosen by a hypothetical
optimizer.  If a user selects a join type, pig philoophy guides us to always respect the user's
choice and not explore alternatives.  Therefore, we need a way to "pin" options.  

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