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https://issues.apache.org/jira/browse/DRILL-2330?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aman Sinha resolved DRILL-2330.
-------------------------------
Resolution: Fixed
Fix Version/s: (was: Future)
1.8.0
Committed [~gparai]'s fix in commit #: c040185
> 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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