Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/15230#discussion_r83138864
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveExternalCatalog.scala ---
@@ -111,6 +111,10 @@ private[spark] class HiveExternalCatalog(conf:
SparkConf, hadoopConf: Configurat
s"as table property keys may not start with '$DATASOURCE_PREFIX'
or '$STATISTICS_PREFIX':" +
s" ${invalidKeys.mkString("[", ", ", "]")}")
}
+ // External users are not allowed to set/switch the table type.
+ if (table.properties.contains("EXTERNAL")) {
--- End diff --
I tried Hive. Hive only accepts `EXTERNAL` if users want to change the
table type. That means, if users do it like `external` or `ExterRnal`, Hive
just treats it as a regular property key.
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