Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/9562#discussion_r44353866
--- Diff:
sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/SQLQuerySuite.scala
---
@@ -1448,4 +1448,21 @@ class SQLQuerySuite extends QueryTest with
SQLTestUtils with TestHiveSingleton {
Row("1", "10") :: Row("2", "20") :: Row("3", "30") :: Row("4",
"40") :: Nil)
}
}
+
+ test("SPARK-11590: use native json_tuple in lateral view") {
+ checkAnswer(sql(
+ """
+ |SELECT a, b
+ |FROM (SELECT '{"f1": "value1", "f2": 12}' json) test
+ |LATERAL VIEW json_tuple(json, 'f1', 'f2') jt AS a, b
+ """.stripMargin), Row("value1", "12"))
+
+ // we should use `c0`, `c1`... as the name of fields if no alias is
provided, to follow hive.
+ checkAnswer(sql(
+ """
+ |SELECT c0, c1
+ |FROM (SELECT '{"f1": "value1", "f2": 12}' json) test
+ |LATERAL VIEW json_tuple(json, 'f1', 'f2') jt
+ """.stripMargin), Row("value1", "12"))
--- End diff --
For SQL, can we put `json_tuple` in the select clause?
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