Github user jiangxb1987 commented on a diff in the pull request:
https://github.com/apache/spark/pull/20046#discussion_r162759216
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/DataFrameWindowFunctionsSuite.scala
---
@@ -86,6 +93,429 @@ class DataFrameWindowFunctionsSuite extends QueryTest
with SharedSQLContext {
assert(e.message.contains("requires window to be ordered"))
}
+ test("aggregation and rows between") {
+ val df = Seq((1, "1"), (2, "1"), (2, "2"), (1, "1"), (2,
"2")).toDF("key", "value")
--- End diff --
We shall also include null data.
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