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Posted to issues@drill.apache.org by "Suresh Ollala (JIRA)" <ji...@apache.org> on 2016/07/25 20:50:20 UTC
[jira] [Updated] (DRILL-2330) Add support for nested aggregate
expressions for window aggregates
[ https://issues.apache.org/jira/browse/DRILL-2330?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Suresh Ollala updated DRILL-2330:
---------------------------------
Reviewer: Khurram Faraaz
> 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
> Assignee: Gautam Kumar Parai
> Fix For: 1.8.0
>
> 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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