Github user adrian-wang commented on a diff in the pull request: https://github.com/apache/spark/pull/10964#discussion_r51240308 --- Diff: sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/SQLQuerySuite.scala --- @@ -1463,4 +1463,11 @@ class SQLQuerySuite extends QueryTest with SQLTestUtils with TestHiveSingleton { |FROM (SELECT '{"f1": "value1", "f2": 12}' json, 'hello' as str) test """.stripMargin), Row("value1", "12", BigDecimal("3.14"), "hello")) } + + test("SPARK-13056: Null in map value causes NPE") { + val df = Seq(1 -> Map("abc" -> "somestring", "cba" -> null)).toDF("key", "value") + df.registerTempTable("maptest") --- End diff -- That suite mainly test df api functionality, I think.
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