[jira] [Created] (FLINK-6574) External catalog should support a single level catalog

[Shang Yuanchun (Jira)]

Haohui Mai created FLINK-6574:
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             Summary: External catalog should support a single level catalog
                 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
             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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