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https://issues.apache.org/jira/browse/HIVE-21962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16896558#comment-16896558
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Laszlo Bodor commented on HIVE-21962:
-------------------------------------
+1
> Replacing ArrayList params with List in and around PlanUtils and MapWork
> ------------------------------------------------------------------------
>
> Key: HIVE-21962
> URL: https://issues.apache.org/jira/browse/HIVE-21962
> Project: Hive
> Issue Type: Improvement
> Reporter: Ivan Suller
> Assignee: Ivan Suller
> Priority: Minor
> Attachments: HIVE-21962.1.patch, HIVE-21962.1.patch,
> HIVE-21962.2.patch, HIVE-21962.2.patch
>
>
> Using the implementing class is usually a bad practice. OO suggest to use the
> least restrictive interface instead. ArrayList is used in many-many methods
> as a parameter - this is just a tiny part of this work.
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