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Posted to notifications@asterixdb.apache.org by "Dmitry Lychagin (JIRA)" <ji...@apache.org> on 2018/10/19 23:49:00 UTC

[jira] [Created] (ASTERIXDB-2466) Initial implementation of window functions

Dmitry Lychagin created ASTERIXDB-2466:
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             Summary: Initial implementation of window functions
                 Key: ASTERIXDB-2466
                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-2466
             Project: Apache AsterixDB
          Issue Type: Task
          Components: FUN - Functions
            Reporter: Dmitry Lychagin
            Assignee: Dmitry Lychagin


Implement window functions using SQL syntax

func() OVER (  (PARTITION BY expr1, expr2, .. exprN)? ORDER BY exprA, exprB, .... )

Where supported functions are:

ROW_NUMBER(), RANK(), DENSE_RANK(), PERCENT_RANK(), NTILE()



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