Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/19719#discussion_r150366571 --- Diff: sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveUtils.scala --- @@ -66,6 +66,12 @@ private[spark] object HiveUtils extends Logging { .stringConf .createWithDefault(builtinHiveVersion) + // A deprecated config which is only used to provide a default value, in case some existing + // applications depend on this config, e.g. Spark SQL ODBC driver. + val HIVE_EXECUTION_VERSION = buildConf("spark.sql.hive.version") --- End diff -- This config is a kind of a fake one, I think comments are enough for it.
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