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Posted to dev@hive.apache.org by "Miklos Gergely (JIRA)" <ji...@apache.org> on 2018/11/14 23:07:00 UTC

[jira] [Created] (HIVE-20919) Split up UpdateDeleteSemanticAnalyzer

Miklos Gergely created HIVE-20919:
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             Summary: Split 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
             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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