From 34ca392da7097a1fbe48cd6c3ebff51453ca26ca Mon Sep 17 00:00:00 2001 From: Reynold Xin Date: Tue, 24 Nov 2015 14:51:01 -0800 Subject: Added a line of comment to explain why the extra sort exists in pivot. --- sql/core/src/main/scala/org/apache/spark/sql/GroupedData.scala | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sql/core/src/main/scala/org/apache/spark/sql/GroupedData.scala b/sql/core/src/main/scala/org/apache/spark/sql/GroupedData.scala index ee7150cbbf..abd531c4ba 100644 --- a/sql/core/src/main/scala/org/apache/spark/sql/GroupedData.scala +++ b/sql/core/src/main/scala/org/apache/spark/sql/GroupedData.scala @@ -304,7 +304,7 @@ class GroupedData protected[sql]( // Get the distinct values of the column and sort them so its consistent val values = df.select(pivotColumn) .distinct() - .sort(pivotColumn) + .sort(pivotColumn) // ensure that the output columns are in a consistent logical order .map(_.get(0)) .take(maxValues + 1) .toSeq -- cgit v1.2.3