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From "Aman Sinha (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-2330) Add support for nested aggregate expressions for window aggregates
Date Thu, 09 Jun 2016 23:30:21 GMT

     [ https://issues.apache.org/jira/browse/DRILL-2330?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aman Sinha updated DRILL-2330:
------------------------------
    Summary: Add support for nested aggregate expressions for window aggregates  (was: Add
support for nested aggregate expressions)

> Add support for nested aggregate expressions for window aggregates
> ------------------------------------------------------------------
>
>                 Key: DRILL-2330
>                 URL: https://issues.apache.org/jira/browse/DRILL-2330
>             Project: Apache Drill
>          Issue Type: Improvement
>          Components: Query Planning & Optimization
>    Affects Versions: 0.8.0
>            Reporter: Abhishek Girish
>             Fix For: Future
>
>         Attachments: drillbit.log
>
>
> Aggregate expressions currently cannot be nested. 
> *The following query fails to validate:*
> {code:sql}
> select avg(sum(i_item_sk)) from item;
> {code}
> Error:
> Query failed: SqlValidatorException: Aggregate expressions cannot be nested
> Log attached. 
> Reference: TPCDS queries (20, 63, 98, ...) fail to execute.



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