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ASF GitHub Bot commented on FLINK-6574: --------------------------------------- Github user KurtYoung commented on a diff in the pull request: https://github.com/apache/flink/pull/3913#discussion_r116919313 --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/exceptions.scala --- @@ -114,7 +114,7 @@ case class TableAlreadyExistException( * @param db database name * @param cause the cause */ -case class DatabaseNotExistException( +case class CatalogNotExistException( --- End diff -- Please update the comment and parameter name. > Support nested catalogs in ExternalCatalog > ------------------------------------------ > > Key: FLINK-6574 > URL: https://issues.apache.org/jira/browse/FLINK-6574 > Project: Flink > Issue Type: Bug > Components: Table API & SQL > Reporter: Haohui Mai > Assignee: Haohui Mai > Priority: Critical > Fix For: 1.3.0 > > > We found out that the current external catalog requires three layers of > references for any tables. For example, the SQL would look like the following > when referencing external table: > {noformat} > SELECT * FROM catalog.db.table > {noformat} > It would be great to support only two layers of indirections which is closer > to many of the deployment on Presto / Hive today. > {noformat} > SELECT * FROM db.table > {noformat} -- This message was sent by Atlassian JIRA (v6.3.15#6346)