Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/22410#discussion_r217603253
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveExternalCatalog.scala ---
@@ -1309,6 +1312,8 @@ object HiveExternalCatalog {
val CREATED_SPARK_VERSION = SPARK_SQL_PREFIX + "create.version"
+ val HIVE_GENERATED_STORAGE_PROPERTIES = Set(SERIALIZATION_FORMAT)
--- End diff --
We can add more in the future. Basically, these properties are useless to
Spark data source tables.
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