Github user shixuan-fan commented on the pull request: https://github.com/apache/incubator-quickstep/commit/85e02de49205409accfef3737dadfe95aad1f5c0#commitcomment-18623545 In relational_operators/WorkOrderFactory.cpp: In relational_operators/WorkOrderFactory.cpp on line 437: I think the problem probably happens here. Use WindowAggregationWorkOrder might work. Sorry for missing this.
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