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Posted to dev@drill.apache.org by "Abhishek Girish (JIRA)" <ji...@apache.org> on 2015/02/25 02:18:04 UTC
[jira] [Created] (DRILL-2306) Add support for grouping function
Abhishek Girish created DRILL-2306:
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Summary: Add support for grouping function
Key: DRILL-2306
URL: https://issues.apache.org/jira/browse/DRILL-2306
Project: Apache Drill
Issue Type: Improvement
Components: Query Planning & Optimization
Affects Versions: 0.8.0
Reporter: Abhishek Girish
Assignee: Jinfeng Ni
Fix For: Future
Add support for grouping function (grouping(<column>) returns 1 when column is used for grouping or 0 when column and all derivated values are NULL)
The following query fails to parse:
SELECT
grouping(c_first_name)
FROM
customer
GROUP BY
c_first_name
LIMIT 1;
Reference: TPC-DS queries (27, 36, ...) contain grouping functions
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