Aman Sinha created CALCITE-750:
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Summary: Window aggregate on top of a regular aggregate expression
fails
Key: CALCITE-750
URL: https://issues.apache.org/jira/browse/CALCITE-750
Project: Calcite
Issue Type: Bug
Affects Versions: 1.3.0-incubating
Reporter: Aman Sinha
Assignee: Julian Hyde
Window aggregate on top of a regular aggregate expression is a valid query but
currently fails with a 'aggregate expression cannot be nested' error.
{code}
SELECT avg(sum(sal)) over (partition by deptno) from emp group by deptno;
SEVERE: org.apache.calcite.sql.validate.SqlValidatorException: Aggregate
expressions cannot be nested
{code}
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