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Posted to issues@hive.apache.org by "Alan Gates (JIRA)" <ji...@apache.org> on 2018/06/11 19:06:00 UTC

[jira] [Updated] (HIVE-18685) Add catalogs to Hive

     [ https://issues.apache.org/jira/browse/HIVE-18685?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alan Gates updated HIVE-18685:
------------------------------
    Summary: Add catalogs to Hive  (was: Add catalogs to metastore)

> Add catalogs to Hive
> --------------------
>
>                 Key: HIVE-18685
>                 URL: https://issues.apache.org/jira/browse/HIVE-18685
>             Project: Hive
>          Issue Type: New Feature
>          Components: Metastore, Parser, Security, SQL
>    Affects Versions: 3.0.0
>            Reporter: Alan Gates
>            Assignee: Alan Gates
>            Priority: Major
>         Attachments: HMS Catalog Design Doc.pdf
>
>
> SQL supports two levels of namespaces, called in the spec catalogs and schemas (with schema being equivalent to Hive's database).  I propose to add the upper level of catalog.  The attached design doc covers the use cases, requirements, and brief discussion of how it will be implemented in a backwards compatible way.



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