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https://issues.apache.org/jira/browse/PIG-990?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12782697#action_12782697
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Dmitriy V. Ryaboy commented on PIG-990:
---------------------------------------
This patch lost a parenthesis somewhere in my merge attempt. I am running the
fixed version through test-commit and findbugs.
Ashutosh: pinOptions is userPinned. If we want to add systemPinned, we can do
that as a separate patch (we don't even need that for the cbo as it stands,
right?).
> 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
>
>
> 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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