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[SPARK-22470][DOC][SQL] functions.hash is also used internally for shuffle and bucketing #19694

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[SPARK-22470][DOC][SQL] functions.hash is also used internally for shuffle and bucketing #19694

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2 changes: 2 additions & 0 deletions sql/core/src/main/scala/org/apache/spark/sql/functions.scala
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Expand Up @@ -2140,6 +2140,8 @@ object functions {
/**
* Calculates the hash code of given columns, and returns the result as an int column.
*
* This is the same hash function as used internally by Spark for shuffle and bucketing.
*
* @group misc_funcs
* @since 2.0.0
*/
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