yuemeng created CALCITE-1882:
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Summary: Can't obtain the user defined aggregate function such as
sum,avg by calcite
Key: CALCITE-1882
URL: https://issues.apache.org/jira/browse/CALCITE-1882
Project: Calcite
Issue Type: Bug
Affects Versions: 1.12.0
Reporter: yuemeng
Assignee: yuemeng
Priority: Critical
If we want to register a sum or avg aggregate function to deal with different
data type such as sum(double) ,we implement a SqlUserDefinedAggFunction and
register with name sum,but when we execute a sql like:
{code}
select id,sum(payment) from table test group by id
{/code}
in fact,it always give the SqlSumAggFunction function which buidin by
calcite,never find the exactly function which we register by ourself.
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