[jira] [Updated] (FLINK-6574) Support nested catalogs in ExternalCatalog

["Haohui Mai (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-6574?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Haohui Mai updated FLINK-6574:
------------------------------
    Summary: Support nested catalogs in ExternalCatalog  (was: External catalog should support a single level catalog)

> 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}



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