dongjoon-hyun commented on a change in pull request #31808:
URL: https://github.com/apache/spark/pull/31808#discussion_r592552160
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/DataFrameAggregateSuite.scala
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@@ -1091,6 +1091,25 @@ class DataFrameAggregateSuite extends QueryTest
val df = spark.sql(query)
checkAnswer(df, Row(0, "0", 0, 0) :: Row(-1, "1", 1, 1) :: Row(-2, "2", 2,
2) :: Nil)
}
+
+ test("SPARK-34713: group by CreateStruct with ExtractValue") {
+ val structDF = Seq(Tuple1(1 -> 1)).toDF("col")
+ checkAnswer(structDF.groupBy(struct($"col._1")).count().select("count"),
Row(1))
+
+ val arrayOfStructDF = Seq(Tuple1(Seq(1 -> 1))).toDF("col")
+
checkAnswer(arrayOfStructDF.groupBy(struct($"col._1")).count().select("count"),
Row(1))
+
+ val mapDF = Seq(Tuple1(Map("a" -> "a"))).toDF("col")
+ checkAnswer(mapDF.groupBy(struct($"col.a")).count().select("count"),
Row(1))
+
+ val nonStringMapDF = Seq(Tuple1(Map(1 -> 1))).toDF("col")
+ // Spark implicit casts string literal "a" to int to match the key type.
Review comment:
Ah, I was confused here. Thanks.
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