Bertil Chapuis created CALCITE-5303:
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Summary: Add support for overloaded aggregate functions
Key: CALCITE-5303
URL: https://issues.apache.org/jira/browse/CALCITE-5303
Project: Calcite
Issue Type: New Feature
Reporter: Bertil Chapuis
The idea would be to make the validation and function resolution process more
robust in the presence of overloaded aggregate functions. When determining if a
function is an aggregate, the validator simply checks if one of the matching
functions is an aggregate. The number of operands, their type, and the
precedence of scalar function over aggregate functions are not taken into
account.
https://issues.apache.org/jira/browse/CALCITE-5280
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