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https://issues.apache.org/jira/browse/TAJO-919?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14286487#comment-14286487
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ASF GitHub Bot commented on TAJO-919:
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Github user hyunsik commented on the pull request:
https://github.com/apache/tajo/pull/351#issuecomment-70940012
Thank you @sirpkt for your description and your fixes. I'm also sorry for
late response. I took flight, and I just get back into harness.
I just wondered that you mentioned 'all rows' because in my view
LinkedList<Datum> seems to all column values.
> Implement LAG and LEAD window functions
> ---------------------------------------
>
> Key: TAJO-919
> URL: https://issues.apache.org/jira/browse/TAJO-919
> Project: Tajo
> Issue Type: Sub-task
> Components: function/udf, physical operator
> Reporter: Hyunsik Choi
> Assignee: Keuntae Park
> Fix For: window function
>
>
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