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From "Dmitry Lychagin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ASTERIXDB-2466) Initial implementation of window functions
Date Fri, 19 Oct 2018 23:49:00 GMT
Dmitry Lychagin created ASTERIXDB-2466:
------------------------------------------

             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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