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https://issues.apache.org/jira/browse/TAJO-483?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jihoon Son updated TAJO-483:
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Resolution: Fixed
Status: Resolved (was: Patch Available)
Hyunsik, thanks for your review.
You are right. I'll make a new issue to add a simple tree structure.
I committed the patch.
> Add getParentCount(), getParents(), getParent() functions to DirectedGraph
> --------------------------------------------------------------------------
>
> Key: TAJO-483
> URL: https://issues.apache.org/jira/browse/TAJO-483
> Project: Tajo
> Issue Type: Improvement
> Affects Versions: 0.8-incubating
> Reporter: Jihoon Son
> Assignee: Jihoon Son
> Attachments: TAJO-483.patch
>
>
> See the title.
> In the current implementation, DirectedGraph provides only getParent()
> because it assumes that there is only one parent. However, multiple parents
> should be supported in DirectedGraph.
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