zhengruifeng commented on code in PR #52242:
URL: https://github.com/apache/spark/pull/52242#discussion_r2324303216
##########
sql/connect/common/src/main/scala/org/apache/spark/sql/connect/Dataset.scala:
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@@ -1046,6 +1046,21 @@ class Dataset[T] private[sql] (
buildRepartitionByExpression(numPartitions, sortExprs)
}
+ /**
+ * Repartitions the Dataset into the given number of partitions using the
specified
+ * partition ID expression.
+ *
+ * @param numPartitions the number of partitions to use.
+ * @param partitionIdExpr the expression to be used as the partition ID.
Must be an integer type.
+ *
+ * @group typedrel
+ * @since 4.1.0
+ */
+ def repartitionById(numPartitions: Int, partitionIdExpr: Column): Dataset[T]
= {
Review Comment:
+1, the API should be added in
https://github.com/apache/spark/blob/b4faf063e37597cf09b9e210766972303fbebe94/sql/api/src/main/scala/org/apache/spark/sql/Dataset.scala
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