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From "Hyunsik Choi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TAJO-267) Implement equals() and deepEquals() functions at LogicalNode
Date Mon, 21 Oct 2013 01:29:43 GMT

    [ https://issues.apache.org/jira/browse/TAJO-267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13800297#comment-13800297
] 

Hyunsik Choi commented on TAJO-267:
-----------------------------------

deepEquals() is implemented in all nodes, including ExceptNode, GroupbyNode, IntersectNode,
and so on. I think that it would be better to implement deepEquals() is only in BinaryNode
and UnaryNode. And, it may be enough that other node types only have equals() method.

> Implement equals() and deepEquals() functions at LogicalNode
> ------------------------------------------------------------
>
>                 Key: TAJO-267
>                 URL: https://issues.apache.org/jira/browse/TAJO-267
>             Project: Tajo
>          Issue Type: Task
>            Reporter: Jihoon Son
>            Assignee: Jihoon Son
>             Fix For: 0.3-incubating
>
>         Attachments: TAJO-267.patch
>
>
> equals() compares only the top-most nodes of two LogicalNode objects while deepEquals()
compares the top-most nodes and their descendants.



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