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Posted to dev@hive.apache.org by "Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org> on 2019/06/05 01:16:00 UTC

[jira] [Created] (HIVE-21834) Avoid unnecessary calls to simplify filter conditions

Jesus Camacho Rodriguez created HIVE-21834:
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             Summary: Avoid unnecessary calls to simplify filter conditions
                 Key: HIVE-21834
                 URL: https://issues.apache.org/jira/browse/HIVE-21834
             Project: Hive
          Issue Type: Bug
          Components: CBO
            Reporter: Jesus Camacho Rodriguez
            Assignee: Jesus Camacho Rodriguez


Every time we create a filter, we try to simplify its condition. However, we already have a rule that simplifies the expressions and it is within the same loop as most of the rules that end up creating new filters. Hence, it may seem we should be able to remove some of the calls to simplify those conditions.



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