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https://issues.apache.org/jira/browse/HIVE-20919?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Miklos Gergely updated HIVE-20919:
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Summary: Break up UpdateDeleteSemanticAnalyzer (was: Split up
UpdateDeleteSemanticAnalyzer)
> 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
>
>
> 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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