Jesus Camacho Rodriguez created HIVE-16934:
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Summary: Transform COUNT(x) into COUNT() when x is not nullable
Key: HIVE-16934
URL: https://issues.apache.org/jira/browse/HIVE-16934
Project: Hive
Issue Type: Improvement
Components: Logical Optimizer
Reporter: Jesus Camacho Rodriguez
Assignee: Jesus Camacho Rodriguez
Add a rule to simplify COUNT aggregation function if possible, removing
expressions that cannot be nullable from its parameters.
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