Jesus Camacho Rodriguez created HIVE-23226: ----------------------------------------------
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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