Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/1585#discussion_r51993309
--- Diff:
flink-scala/src/main/scala/org/apache/flink/api/scala/PartitionSortedDataSet.scala
---
@@ -35,16 +37,30 @@ class PartitionSortedDataSet[T: ClassTag](set:
SortPartitionOperator[T])
* Appends the given field and order to the sort-partition operator.
*/
override def sortPartition(field: Int, order: Order): DataSet[T] = {
+ if (set.useKeySelector()) {
+ throw new InvalidProgramException("Expression keys cannot be
appended after selector " +
+ "function keys")
+ }
+
this.set.sortPartition(field, order)
this
}
-/**
- * Appends the given field and order to the sort-partition operator.
- */
+ /**
+ * Appends the given field and order to the sort-partition operator.
+ */
override def sortPartition(field: String, order: Order): DataSet[T] = {
+ if (set.useKeySelector()) {
+ throw new InvalidProgramException("Expression keys cannot be
appended after selector " +
+ "function keys")
+ }
+
this.set.sortPartition(field, order)
this
}
+ override def sortPartition[K: TypeInformation](fun: T => K, order:
Order): DataSet[T] = {
--- End diff --
remove method.
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