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https://issues.apache.org/jira/browse/KYLIN-5117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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hujiahua updated KYLIN-5117:
----------------------------
Description:
The following query execution will report an error：
{quote}
select percentile(t.gmv, 0.5) from ( select buyer_id,sum(price) as gmv from
kylin_sales group by buyer_id ) t
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"
{quote}
So it's better to support `percentile` function after aggregate sub query.
was:
The following query execution will report an error：
{quote}
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"
{quote}
The sql query:
{quote}
select percentile(t.gmv, 0.5) from ( select buyer_id,sum(price) as gmv from
kylin_sales group by buyer_id ) t
{quote}
It's better to support `percentile` function after aggregate sub query.
> 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
> Priority: Major
>
> The following query execution will report an error：
> {quote}
> select percentile(t.gmv, 0.5) from ( select buyer_id,sum(price) as gmv from
> kylin_sales group by buyer_id ) t
> 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"
> {quote}
> So it's better to support `percentile` function after aggregate sub query.
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