Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/21699#discussion_r207088374
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/DataFramePivotSuite.scala ---
@@ -246,4 +267,77 @@ class DataFramePivotSuite extends QueryTest with
SharedSQLContext {
checkAnswer(df.select($"a".cast(StringType)), Row(tsWithZone))
}
}
+
+ test("SPARK-24722: pivoting nested columns") {
--- End diff --
I usually leave a JIRA number for one specific regression test when it's a
bug since that's going to explicitly point out which case was broken .. but not
a big deal though.
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