Julian Hyde created CALCITE-751:
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Summary: Push aggregate with aggregate functions through join
Key: CALCITE-751
URL: https://issues.apache.org/jira/browse/CALCITE-751
Project: Calcite
Issue Type: Bug
Reporter: Julian Hyde
Assignee: Julian Hyde
AggregateJoinTransposeRule currently only fires if the Aggregate has no
aggregate functions. We need to lift that limitation.
Aggregate functions should be split, e.g. COUNT becomes SUM of COUNT. Some
aggregate functions cannot be split, e.g. distinct-count.
Add a new interface to SqlAggFunction to allow it to declare the split policy.
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