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apache · Apr 24, 2017 · b9dbb9c · b9dbb9c
1 parent c859b60
commit b9dbb9c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala b/sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala
@@ -1729,7 +1729,7 @@ class Dataset[T] private[sql](
     // ordering deterministic. Note that MapTypes cannot be sorted and are explicitly pruned out
     // from the sort order.
     val sortOrder = logicalPlan.output
-      .filterNot(_.dataType.existsRecursively(dt => dt.isInstanceOf[MapType]))
+      .filter(attr => RowOrdering.isOrderable(attr.dataType))
       .map(SortOrder(_, Ascending))
     val plan = if (sortOrder.nonEmpty) {
       Sort(sortOrder, global = false, logicalPlan)