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Posted to dev@pig.apache.org by "Dmitriy V. Ryaboy (JIRA)" <ji...@apache.org> on 2009/10/22 01:57:59 UTC
[jira] Assigned: (PIG-990) Provide a way to pin LogicalOperator
Options
[ https://issues.apache.org/jira/browse/PIG-990?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dmitriy V. Ryaboy reassigned PIG-990:
-------------------------------------
Assignee: Dmitriy V. Ryaboy
> 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: 0.6.0
>
> Attachments: pinned_options.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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