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https://issues.apache.org/jira/browse/CALCITE-5564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17723262#comment-17723262
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Julian Hyde commented on CALCITE-5564:
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{quote}
I was wondering whether it makes to sense to have this issue be the addition of
parsing/validation for BigQuery syntax and then the implementation for both the
standard and BigQuery could be added under CALCITE-4666.
{quote}
I agree. That's a good separation of work.
> Support 2-argument PERCENTILE_CONT, PERCENTILE_DISC aggregate functions (as
> in BigQuery)
> ----------------------------------------------------------------------------------------
>
> Key: CALCITE-5564
> URL: https://issues.apache.org/jira/browse/CALCITE-5564
> Project: Calcite
> Issue Type: Improvement
> Reporter: Tanner Clary
> Assignee: Tanner Clary
> Priority: Major
>
> Calcite currently has implementations for the {{PERCENTILE_CONT}} and
> {{PERCENTILE_DISC}} functions. Their syntax may be found
> [here|https://learn.microsoft.com/en-us/sql/t-sql/functions/percentile-cont-transact-sql?view=sql-server-ver16].
>
> BigQuery offers these functions as well, but the syntax is slightly
> different, and may be found
> [here|https://cloud.google.com/bigquery/docs/reference/standard-sql/functions-and-operators#percentile_cont].
> The main difference is that instead of using a {{WITHIN GROUP}} clause, the
> array is passed in directly as the first argument to the function.
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