Github user maropu commented on a diff in the pull request: https://github.com/apache/spark/pull/21439#discussion_r204231723 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/json/JacksonParser.scala --- @@ -61,6 +61,7 @@ class JacksonParser( dt match { case st: StructType => makeStructRootConverter(st) case mt: MapType => makeMapRootConverter(mt) + case at: ArrayType => makeArrayRootConverter(at) --- End diff -- You've already added tests in `JsonSuite`? It seems there are tests in `JsonFunctionsSuite`, `JsonExpressionSuite`, and `SQLQueryTestSuite` now?
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