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https://issues.apache.org/jira/browse/TAJO-920?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14254610#comment-14254610
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ASF GitHub Bot commented on TAJO-920:
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Github user sirpkt commented on the pull request:
https://github.com/apache/tajo/pull/308#issuecomment-67730776
I added implementation of first_value() and last_value() for INT, LONG,
FLOAT, DOUBLE, TIME, DATE, TIMESTAMP.
> Add FIRST_VALUE and LAST_VALUE window functions
> -----------------------------------------------
>
> Key: TAJO-920
> URL: https://issues.apache.org/jira/browse/TAJO-920
> Project: Tajo
> Issue Type: Sub-task
> Components: physical operator, planner/optimizer
> Reporter: Hyunsik Choi
> Assignee: Keuntae Park
> Fix For: window function, 0.10
>
>
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