viirya commented on a change in pull request #23915: [SPARK-24252][SQL] Add v2
catalog plugin system
URL: https://github.com/apache/spark/pull/23915#discussion_r263238897
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File path: sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala
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@@ -620,6 +622,12 @@ class SparkSession private(
*/
@transient lazy val catalog: Catalog = new CatalogImpl(self)
+ @transient private lazy val catalogs = new mutable.HashMap[String,
CatalogPlugin]()
+
+ private[sql] def catalog(name: String): CatalogPlugin = synchronized {
+ catalogs.getOrElseUpdate(name, Catalogs.load(name, sessionState.conf))
Review comment:
Looks like we don't support unloading or reloading a catalog plugin?
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