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Type: Task
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Resolution: Fixed
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Priority: Major - P3
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Affects Version/s: None
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Component/s: None
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Labels:None
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Fully Compatible
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QE 2023-04-17
Currently all of the accumulator initialization is performed as part of the accumulation itself. This is not applicable for $topN/$bottomN, because they can take an "n" parameter which varies between groups. We want to extend the hashagg stage so that it can initialize a group based on an expression.