slim bouguerra created HIVE-18573:
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Summary: Use proper Calcite operator instead of UDFs
Key: HIVE-18573
URL: https://issues.apache.org/jira/browse/HIVE-18573
Project: Hive
Issue Type: Bug
Components: Hive
Reporter: slim bouguerra
Currently, Hive is mostly using user-defined black box sql operators during
Query planning. It will be more beneficial to use proper calcite operators.
Also, Use a single name for Extract operator instead of a different name for
every Unit,
Same for Floor function. This will allow unifying the treatment per operator.
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