HyukjinKwon commented on a change in pull request #26907: [SPARK-30267][SQL] Avro arrays can be of any List URL: https://github.com/apache/spark/pull/26907#discussion_r358557382
########## File path: external/avro/src/main/scala/org/apache/spark/sql/avro/AvroDeserializer.scala ########## @@ -167,7 +167,7 @@ class AvroDeserializer(rootAvroType: Schema, rootCatalystType: DataType) { case (ARRAY, ArrayType(elementType, containsNull)) => val elementWriter = newWriter(avroType.getElementType, elementType, path) (updater, ordinal, value) => - val array = value.asInstanceOf[GenericData.Array[Any]] + val array = value.asInstanceOf[java.util.List[Any]] Review comment: Can you add a test (e.g. explicitly the scenario you faced)? in which case it becomes a regular list? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org