Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/14897#discussion_r82659075
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/internal/CatalogImpl.scala ---
@@ -292,6 +291,21 @@ class CatalogImpl(sparkSession: SparkSession) extends
Catalog {
}
/**
+ * Drops the global temporary view with the given view name in the
catalog.
+ * If the view has been cached/persisted before, it's also unpersisted.
+ *
+ * @param viewName the name of the view to be dropped.
+ * @group ddl_ops
+ * @since 2.1.0
+ */
+ override def dropGlobalTempView(viewName: String): Boolean = {
--- End diff --
I think we should just drop "_global_temp." prefix (or whatever the value
should be) if user specifies that.
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