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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-1328) Rework Constant Field Annotations
Date Mon, 26 Jan 2015 14:46:34 GMT

    [ https://issues.apache.org/jira/browse/FLINK-1328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14291904#comment-14291904

ASF GitHub Bot commented on FLINK-1328:

Github user fhueske commented on the pull request:

    Addressed most comments and renamed constantFields/Sets to forwardedFields as discussed
on dev-ml.
    Would like to merge this soon.

> Rework Constant Field Annotations
> ---------------------------------
>                 Key: FLINK-1328
>                 URL: https://issues.apache.org/jira/browse/FLINK-1328
>             Project: Flink
>          Issue Type: Improvement
>          Components: Java API, Optimizer, Scala API
>    Affects Versions: 0.7.0-incubating
>            Reporter: Fabian Hueske
>            Assignee: Fabian Hueske
> Constant field annotations are used by the optimizer to determine whether physical data
properties such as sorting or partitioning are retained by user defined functions.
> The current implementation is limited and can be extended in several ways:
> - Fields that are copied to other positions
> - Field definitions for non-tuple data types (Pojos)
> There is a pull request (#83) that goes into this direction and which can be extended.

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