[jira] [Created] (HIVE-18254) Use proper AVG Calcite primitive instead of Other_FUNCTION

[slim bouguerra (JIRA)]

slim bouguerra created HIVE-18254:
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             Summary: Use proper AVG Calcite primitive instead of Other_FUNCTION
                 Key: HIVE-18254
                 URL: https://issues.apache.org/jira/browse/HIVE-18254
             Project: Hive
          Issue Type: Bug
            Reporter: slim bouguerra


Currently Hive-Calcite operator tree treats AVG function as an unknown function 
that has a Calcite Sql Kind of Other_FUNCTION. This is an issue that can get 
into the way of rules like 
{{org.apache.calcite.rel.rules.AggregateReduceFunctionsRule}}.
This patch adds the avg function to the list of known aggregate function.



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