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https://issues.apache.org/jira/browse/CALCITE-6036?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yu Xu resolved CALCITE-6036.
----------------------------
Fix Version/s: 1.43.0
Resolution: Fixed
Fixed in
[https://github.com/apache/calcite/commit/e15c3954b643b054f3fb8a6b485af12f9bff25ed]
Thank you for the review [~snuyanzin]
> Support WITHIN GROUP(ORDER BY x) OVER (PARTITION BY y)
> -------------------------------------------------------
>
> Key: CALCITE-6036
> URL: https://issues.apache.org/jira/browse/CALCITE-6036
> Project: Calcite
> Issue Type: Bug
> Reporter: Oliver Lee
> Assignee: Yu Xu
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.43.0
>
>
> [According to Oracle in ISO
> SQL|https://docs.oracle.com/en/database/oracle/oracle-database/19/sqlrf/PERCENTILE_CONT.html#GUID-CA259452-A565-41B3-A4F4-DD74B66CEDE0],
> in functions such as PERCENTILE_CONT or PERCENTILE_DISC, it should support
> the clauses
> {{WITHIN GROUP(ORDER BY x) OVER (PARTITION BY y)}}
>
> Currently, when trying to run a {{{}RelToSqlConverterTest{}}}, a sample query:
> {quote}SELECT PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY product_class_id)
> OVER (PARTITION BY product_class_id) from food mart.product
> {quote}
>
> the validator will throw an error: {{OVER must be applied to aggregate
> function}}
> (PERCENTILE_CONT is not an aggregate function and any SqlOverOperator/RexOver
> requires the operator to be an aggregate function))
>
> Desired behavior:
> The OVER clause should be able to be used in conjunction with the WITHIN
> GROUP clause
>
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