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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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Runkang He updated CALCITE-6077:
--------------------------------
Description:
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.
was:
Add FACTORIAL functions (enabled in Hive and Spark library)
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.
> 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
>
> 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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