Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/22514#discussion_r237363826 --- Diff: sql/hive/src/test/scala/org/apache/spark/sql/hive/HiveParquetSuite.scala --- @@ -92,4 +92,18 @@ class HiveParquetSuite extends QueryTest with ParquetTest with TestHiveSingleton } } } + + test("SPARK-25271: write empty map into hive parquet table") { --- End diff -- +1
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