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Posted to dev@hive.apache.org by "Jesus Camacho Rodriguez (Jira)" <ji...@apache.org> on 2020/04/17 03:34:00 UTC

[jira] [Created] (HIVE-23226) Implement Calcite rule to transform CASE into COALESCE when possible

Jesus Camacho Rodriguez created HIVE-23226:
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             Summary: Implement Calcite rule to transform CASE into COALESCE when possible
                 Key: HIVE-23226
                 URL: https://issues.apache.org/jira/browse/HIVE-23226
             Project: Hive
          Issue Type: Improvement
          Components: CBO
            Reporter: Jesus Camacho Rodriguez


Currently, it is done in {{TypeCheckProcFactory}} when we create a Hive expression after Calcite optimization.



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