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https://issues.apache.org/jira/browse/CALCITE-6077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated CALCITE-6077:
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Labels: pull-request-available (was: )
> Add FACTORIAL function (enabled in Hive and Spark libraries)
> ------------------------------------------------------------
>
> Key: CALCITE-6077
> URL: https://issues.apache.org/jira/browse/CALCITE-6077
> Project: Calcite
> Issue Type: New Feature
> Components: core
> Affects Versions: 1.35.0
> Reporter: Runkang He
> Assignee: Runkang He
> Priority: Major
> Labels: pull-request-available
>
> Add FACTORIAL function (enabled in Hive and Spark libraries)
> FACTORIAL(expr): Returns the factorial of expr. expr is [0..20]. Otherwise,
> returns NULL.
> For example:
> {code:sql}
> SELECT factorial(5);
> >120
> {code}
> See more at
> [Hive|https://cwiki.apache.org/confluence/display/hive/languagemanual+udf#LanguageManualUDF-MathematicalFunctions]
> and
> [Spark|https://spark.apache.org/docs/latest/api/sql/index.html#factorial] doc.
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