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https://issues.apache.org/jira/browse/PHOENIX-154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15176916#comment-15176916
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Haoran Zhang commented on PHOENIX-154:
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Dear [~giacomotaylor] and [~maryannxue],
Thanks for both of you.
I'm very interested in the part: Runtime of sliding windows with ORDER BY key
and ROWS/RANGE.
However, although a clear roadmap is provided, I‘m still confused on details.
I think it's that's because I lack the knowledge about how to implement sliding
window and window functions.
Would you mind recommending me some further reading about them?
I tried to search them on the Internet. Nevertheless, there are several
meanings of sliding window even in the area of database and all the textbooks
only introduce how to use window functions.
Thank you very much.
> Support SQL OLAP extensions
> ---------------------------
>
> Key: PHOENIX-154
> URL: https://issues.apache.org/jira/browse/PHOENIX-154
> Project: Phoenix
> Issue Type: New Feature
> Reporter: James Taylor
> Labels: gsoc2016
>
> Support the WINDOW, PARTITION OVER, GROUPING, RANK, DENSE RANK, ORDER BY etc.
> functionality.
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