Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/11209#discussion_r53042507
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/misc.scala
---
@@ -441,3 +441,217 @@ case class PrintToStderr(child: Expression) extends
UnaryExpression {
""".stripMargin)
}
}
+
+/**
+ * A modified copy of Murmur3Hash.
+ */
+case class XxHash64(children: Seq[Expression], seed: Long) extends
Expression {
--- End diff --
Create a common ancestor for both `XxHash64` and `MurMur3`.
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