yuchenhuo commented on a change in pull request #26957: [SPARK-30314] Add identifier and catalog information to DataSourceV2Relation URL: https://github.com/apache/spark/pull/26957#discussion_r366607152
########## File path: sql/catalyst/src/main/scala/org/apache/spark/sql/connector/catalog/CatalogManager.scala ########## @@ -44,15 +44,35 @@ class CatalogManager( import CatalogManager.SESSION_CATALOG_NAME private val catalogs = mutable.HashMap.empty[String, CatalogPlugin] + // Map from catalog back to it's original name for easy name look up, we don't use the + // CatalogPlugin's name as it might be different from the catalog name depending on + // implementation. Catalog name <-> CatalogPlugin instance is a 1:1 mapping. + private val catalogIdentifiers = mutable.HashMap.empty[CatalogPlugin, String] + catalogIdentifiers(defaultSessionCatalog) = SESSION_CATALOG_NAME Review comment: No, the concern here is that if a user set a custom session catalog implementation and spark fail to load it, it would fall back to use `defaultSessionCatalog`. https://github.com/apache/spark/blob/master/sql/catalyst/src/main/scala/org/apache/spark/sql/connector/catalog/CatalogManager.scala#L88. So we need to set the defaultSessionCatalog in the reverse map here ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org