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https://issues.apache.org/jira/browse/CALCITE-6035?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated CALCITE-6035:
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Labels: pull-request-available (was: )
> Correctly unparse WITHIN GROUP for Big Query dialect
> ----------------------------------------------------
>
> Key: CALCITE-6035
> URL: https://issues.apache.org/jira/browse/CALCITE-6035
> Project: Calcite
> Issue Type: Improvement
> Reporter: Oliver Lee
> Assignee: Oliver Lee
> Priority: Major
> Labels: pull-request-available
>
> In Big Query SQL, the {{percentile_cont}}
> [function|https://cloud.google.com/bigquery/docs/reference/standard-sql/functions-and-operators#percentile_cont]
> uses the keyword {{OVER}} instead of WITHIN GROUP.
> This is not to be confused with ISO SQL OVER, which is used in windowed
> aggregate functions. (percentile_cont is not a window function)
>
> Requirements:
> {{select percentile_cont(0.5) within group (order by x)}} in ISO SQL should
> be unparsed as {{select percentile_cont(0.5) over (order by x)}} if the
> target dialect is Big Query
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