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From "Miklos Gergely (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-20919) Break up UpdateDeleteSemanticAnalyzer
Date Wed, 14 Nov 2018 23:17:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-20919?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Miklos Gergely updated HIVE-20919:
----------------------------------
    Attachment: HIVE-20919.01.patch

> Break up UpdateDeleteSemanticAnalyzer
> -------------------------------------
>
>                 Key: HIVE-20919
>                 URL: https://issues.apache.org/jira/browse/HIVE-20919
>             Project: Hive
>          Issue Type: Improvement
>          Components: Hive
>    Affects Versions: 3.2.0
>            Reporter: Miklos Gergely
>            Assignee: Miklos Gergely
>            Priority: Major
>             Fix For: 3.2.0
>
>         Attachments: HIVE-20919.01.patch
>
>
> UpdateDeleteSemanticAnalyzer handles update, delete, acid export and merge queries by
rewriting them to a different form. This is a clear violation of [SRP|https://en.wikipedia.org/wiki/Single_responsibility_principle],
and therefore needs to be refactored. An abstract ancestor needs to take the common part,
and each of the specific tasks should be handled by a separate class.



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