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https://issues.apache.org/jira/browse/APEXMALHAR-2111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15315092#comment-15315092
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ASF GitHub Bot commented on APEXMALHAR-2111:
--------------------------------------------

GitHub user pradeepdalvi opened a pull request:

    https://github.com/apache/incubator-apex-malhar/pull/311

    APEXMALHAR-2111 Projection Operator config changes

     - Change params to use List instead of comma-separated field names
     - Mark Operator as Evolving
     - Add projection operator exception in pom.xml for japicmp-maven-plugin

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/pradeepdalvi/incubator-apex-malhar 
APEXMALHAR-2111.projection

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/incubator-apex-malhar/pull/311.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #311
    
----
commit c9e41cfe709b69ae81224a14013954a8ca29b894
Author: Pradeep A. Dalvi <[email protected]>
Date:   2016-06-03T23:09:56Z

    APEXMALHAR-2111 Projection Operator config changes
     - Change params to use List instead of comma-separated field names
     - Mark Operator as Evolving
     - Add projection operator exception in pom.xml for japicmp-maven-plugin

----


> Projection Operator config params shall use List instead of comma-separated 
> field names
> ---------------------------------------------------------------------------------------
>
>                 Key: APEXMALHAR-2111
>                 URL: https://issues.apache.org/jira/browse/APEXMALHAR-2111
>             Project: Apache Apex Malhar
>          Issue Type: Improvement
>            Reporter: Pradeep A. Dalvi
>            Assignee: Pradeep A. Dalvi
>
> Projection Operator accepts 2 config params: selectFields & dropFields. 
> Currently both these parameters accept values in comma-separated field names 
> format. However this is not inline with other operators do to accept multiple 
> values, for which they use List instead.
> So this proposal is to make change in Projection Operator to accept config 
> params as List instead of comma-separated string. Hence selectFields & 
> dropFields shall accept List going forward.



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