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Posted to dev@hive.apache.org by "Alessandro Solimando (Jira)" <ji...@apache.org> on 2022/02/23 10:27:00 UTC

[jira] [Created] (HIVE-25974) Drop HiveFilterMergeRule and use FilterMergeRule from Calcite

Alessandro Solimando created HIVE-25974:
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             Summary: Drop HiveFilterMergeRule and use FilterMergeRule from Calcite
                 Key: HIVE-25974
                 URL: https://issues.apache.org/jira/browse/HIVE-25974
             Project: Hive
          Issue Type: Bug
          Components: CBO
    Affects Versions: 4.0.0
            Reporter: Alessandro Solimando


HiveFilterMergeRule is a copy of FilterMergeRule which was needed since the latter did not simplify/flatten before creating the merged filter.

This behaviour has been fixed in CALCITE-3982 (released since 1.23), so it seems that the Hive rule could be removed now.



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