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From "Pi Song (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-158) Rework logical plan
Date Thu, 20 Mar 2008 14:23:24 GMT

    [ https://issues.apache.org/jira/browse/PIG-158?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12580773#action_12580773

Pi Song commented on PIG-158:

It looks good.

1) How do you maintain relations between LOs and dependencies in the abstract graph layer
(OperatorPlan) in the same time?
2) mSortFunc in LOSort is declared as LOUserFunc. If I use a built-in sort, it will still
be LOUserFunc. When we do optimization built-in funcs and UDFs are treated differently so
I think here you should declare a more generic type.
3) LOCogroup seems only define inputs, how to specify columns to be grouped?

Will have a look more next week. Thanks Santhosh !!!

> Rework logical plan
> -------------------
>                 Key: PIG-158
>                 URL: https://issues.apache.org/jira/browse/PIG-158
>             Project: Pig
>          Issue Type: Sub-task
>          Components: impl
>            Reporter: Alan Gates
>            Assignee: Alan Gates
>         Attachments: logical_operators.patch
> Rework the logical plan in line with http://wiki.apache.org/pig/PigExecutionModel

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