guiyanakuang commented on a change in pull request #30467:
URL: https://github.com/apache/spark/pull/30467#discussion_r528529013
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File path: sql/core/src/test/scala/org/apache/spark/sql/ComplexTypesSuite.scala
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@@ -117,4 +116,13 @@ class ComplexTypesSuite extends QueryTest with
SharedSparkSession {
val df = spark.createDataFrame(List(Row(Seq(Row(1), Row(null)))).asJava,
schema)
checkAnswer(df.select($"arr".getField("i")), Row(Seq(1, null)))
}
+
+ test("SPARK-32002: Support ExtractValue from nested ArrayStruct") {
+ val jsonStr1 = """{"a": [{"b": [{"c": [1,2]}]}]}"""
+ val jsonStr2 = """{"a": [{"b": [{"c": [1]}, {"c": [2]}]}]}"""
+ val df = spark.read.json(Seq(jsonStr1, jsonStr2).toDS())
+ checkAnswer(df.select($"a.b.c"), Row(Seq(Seq(Seq(1, 2))))
+ :: Row(Seq(Seq(Seq(1), Seq(2)))) :: Nil)
+ }
+
Review comment:
OK, I add a test for which the depth can be adjusted.
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