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From "Olga Natkovich (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-73) Re-Design of Logical Plan
Date Wed, 11 Jun 2008 21:34:45 GMT

    [ https://issues.apache.org/jira/browse/PIG-73?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12604346#action_12604346

Olga Natkovich commented on PIG-73:

Alan, can this be cloased? The execution pipeline rework consumes this, right?

> Re-Design of Logical Plan
> -------------------------
>                 Key: PIG-73
>                 URL: https://issues.apache.org/jira/browse/PIG-73
>             Project: Pig
>          Issue Type: Improvement
>          Components: impl
>            Reporter: Antonio Magnaghi
>            Assignee: Antonio Magnaghi
>         Attachments: diff.2008.01.23, diff.2008.01.24
> I am opening this new bug to track a specific work item within the broader context of
improving Pig support for optimizations.
> See related items:
>    - PIG-50 in the jira
>    - the design spec at: http://wiki.apache.org/pig/PigExecutionModel
> In particular we want to remove from the logical plan those aspects that directly relate
to the *execution* stage of a plan, hence improving decoupling. Currently EvalSpecs and Conds
(and relative pipes) are tightly coupled with logical operators.

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