Jesus Camacho Rodriguez created HIVE-20957:
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Summary: Scale down stats for plan when DPP/SJ is applied
Key: HIVE-20957
URL: https://issues.apache.org/jira/browse/HIVE-20957
Project: Hive
Issue Type: Improvement
Components: Physical Optimizer, Statistics
Reporter: Jesus Camacho Rodriguez
Currently, this scale down only happens for TS itself when SJ is applied
(HIVE-20775). It would be better to implement an approach that applies the
reduction to the TS operator for DPP/SJ and propagates the complete stats over
the plan accordingly.
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