Github user adrian-wang commented on a diff in the pull request:
https://github.com/apache/spark/pull/10964#discussion_r51381272
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
---
@@ -2056,4 +2056,11 @@ class SQLQuerySuite extends QueryTest with
SharedSQLContext {
)
}
}
+
+ test("SPARK-13056: Null in map value causes NPE") {
+ val df = Seq(1 -> Map("abc" -> "somestring", "cba" ->
null)).toDF("key", "value")
+ df.registerTempTable("maptest")
+ checkAnswer(sql("SELECT value['abc'] FROM maptest"), Row("somestring"))
+ checkAnswer(sql("SELECT value['cba'] FROM maptest"), Row(null))
--- End diff --
@tejasapatil OK, actually I used a udf to generate the map and got your
exception, later I changed to this following the guide from @cloud-fan but
didn't verify it myself. I'll modify the test case here, Thanks!
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