Github user hvanhovell commented on a diff in the pull request: https://github.com/apache/spark/pull/9819#discussion_r47565984 --- Diff: sql/hive/compatibility/src/test/scala/org/apache/spark/sql/hive/execution/HiveWindowFunctionQuerySuite.scala --- @@ -472,7 +475,7 @@ class HiveWindowFunctionQuerySuite extends HiveComparisonTest with BeforeAndAfte |window w1 as (distribute by p_mfgr sort by p_mfgr, p_name | rows between 2 preceding and 2 following) """.stripMargin, reset = false) - + */ --- End diff -- I have added a statistical test case to the ```DataFrameWindowSuite```, this however doesn't match the level of thoroughness of the disabled tests. I have tried to add these tests verbatim to a separate test suite, but this becomes quite verbose and ugly (in style) and I rather not add this. I could expand the tests in the ```DataFrameWindowSuite```.
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