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Type:
Bug
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Status: Closed
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: None
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Fix Version/s: 1.13.0
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Component/s: None
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Labels:None
There is a code generation error when argument to COUNT(DISTINCT ...) is a column in the GROUP BY clause. For example,
select count(distinct deptno) as cdd, count(*) as c from emp group by deptno
generates code that is invalid (! operator applied to a long value):
public Object current() { final Object[] current = (Object[]) inputEnumerator.current(); return new Object[] { current[0], current[1], !org.apache.calcite.runtime.SqlFunctions.toLong(current[1])}; }