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Posted to issues@spark.apache.org by "Dilip Biswal (JIRA)" <ji...@apache.org> on 2016/06/24 21:43:16 UTC
[jira] [Updated] (SPARK-16195) Allow users to specify empty over
clause in window expressions through dataset API
[ https://issues.apache.org/jira/browse/SPARK-16195?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dilip Biswal updated SPARK-16195:
---------------------------------
Description:
In SQL, its allowed to specify an empty OVER clause in the window expression.
{code}
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
{code}
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.
was:
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.
> 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.
> {code}
> 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
> {code}
> 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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