Stamatis Zampetakis created CALCITE-7659:
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Summary: Add AggregateCall#withFunction API
Key: CALCITE-7659
URL: https://issues.apache.org/jira/browse/CALCITE-7659
Project: Calcite
Issue Type: Improvement
Components: core
Reporter: Stamatis Zampetakis
Assignee: Stamatis Zampetakis
Add new method in AggregateCall that allows to copy the call and switch the
underlying aggregate function while keeping all the rest of the properties
intact.
The main motivation comes from
[Hive|https://github.com/apache/hive/blob/3c7f974eedb38b163ede80cc811e189673b6fbb3/ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/reloperators/HiveAggregate.java#L77]
where we want to replace a standard aggregate function with a Hive specific
one.
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