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Posted to issues@hive.apache.org by "Miklos Gergely (JIRA)" <ji...@apache.org> on 2019/07/04 20:14:00 UTC

[jira] [Assigned] (HIVE-21959) Clean up Concatenate and Msck DDL commands

     [ https://issues.apache.org/jira/browse/HIVE-21959?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Miklos Gergely reassigned HIVE-21959:
-------------------------------------


> Clean up Concatenate and Msck DDL commands
> ------------------------------------------
>
>                 Key: HIVE-21959
>                 URL: https://issues.apache.org/jira/browse/HIVE-21959
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Hive
>    Affects Versions: 3.1.1
>            Reporter: Miklos Gergely
>            Assignee: Miklos Gergely
>            Priority: Major
>              Labels: refactor-ddl
>             Fix For: 4.0.0
>
>
> Concatenate and Msck DDL use basic data structure implementations instead of their interfaces for variable declaration, like ArrayList instead of List, LinkedHashMap instead of Map, etc. This is due to a lot of similar issues in the code, which needs to be cleaned.
> Concatenate also had a non-immutable Desc class, that needs to be transformed into an immutable one. Concatenate operation code should be cut into smaller functions.



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