HyukjinKwon commented on a change in pull request #28860:
URL: https://github.com/apache/spark/pull/28860#discussion_r446112380
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File path: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
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@@ -3521,6 +3523,25 @@ class SQLQuerySuite extends QueryTest with
SharedSparkSession with AdaptiveSpark
|""".stripMargin), Row(1))
}
}
+
+ test("SPARK-32002: Support Extract value from nested ArrayStruct") {
+ withTempView("rows") {
+ val df = spark.read
+ .json(Seq(
+ """{"a": [{"b": [{"c": [1,2]}]}]}""",
+ """{"a": [{"b": [{"c": [1]}, {"c": [2]}]}]}""",
+ """{"a":[{}]}""").toDS())
+ df.createOrReplaceTempView("nest")
+
+ checkAnswer(sql(
+ """
+ |SELECT a.b.c FROM nest
Review comment:
Can we add deeper cases? Also, you can simplify the test cases, for
example, as below:
```scala
val df =
spark.range(10).select(array(struct(array(struct("id")).alias("col1"))).alias("col0"))
df.selectExpr("col0.col1.id")
```
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