Github user jiangxb1987 commented on a diff in the pull request:
https://github.com/apache/spark/pull/5604#discussion_r157945816
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/windowExpressions.scala
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@@ -0,0 +1,340 @@
+/*
+ * Licensed
Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/5604#discussion_r157933488
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/windowExpressions.scala
---
@@ -0,0 +1,340 @@
+/*
+ * Licensed to the
Github user jiangxb1987 commented on a diff in the pull request:
https://github.com/apache/spark/pull/5604#discussion_r157931911
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/windowExpressions.scala
---
@@ -0,0 +1,340 @@
+/*
+ * Licensed