[jira] [Created] (SPARK-16195) Allow users to specify empty over clause in window expressions through dataset API

["Dilip Biswal (JIRA)" <ji...@apache.org>]

Dilip Biswal created SPARK-16195:
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             Summary: Allow users to specify empty over clause in window expressions through dataset API
                 Key: SPARK-16195
                 URL: https://issues.apache.org/jira/browse/SPARK-16195
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 2.0.0
            Reporter: Dilip Biswal
            Priority: Minor


In SQL, its allowed to specify an empty OVER clause in the window expression.
 
select area, sum(product) over () as c from windowData
where product > 3 group by area, product
having avg(month) > 0 order by avg(month), product

In this case the analytic function sum is presented based on all the rows of the result set

Currently its not allowed through dataset API.




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