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Posted to issues@kylin.apache.org by "hujiahua (Jira)" <ji...@apache.org> on 2021/11/05 07:56:00 UTC

[jira] [Created] (KYLIN-5117) Support percentile function after aggregate sub query

hujiahua created KYLIN-5117:
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             Summary: Support percentile function after aggregate sub query
                 Key: KYLIN-5117
                 URL: https://issues.apache.org/jira/browse/KYLIN-5117
             Project: Kylin
          Issue Type: New Feature
    Affects Versions: v4.0.0
            Reporter: hujiahua


The following query execution will report an error：
java.lang.IllegalArgumentException: Unsupported function name PERCENTILE_APPROX while executing SQL: "select percentile(t.gmv, 0.5) from  ( select buyer_id,sum(price) as gmv  from kylin_sales group by buyer_id ) t"

The sql query:
select percentile(t.gmv, 0.5) from  ( select buyer_id,sum(price) as gmv  from kylin_sales group by buyer_id ) t

It's better to support `percentile` function after aggregate sub query.



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