gistfile1.aw

<?php
            $results = $qb
            ->map($this->getTableReportMapFunction($groupFields))
            ->reduce('function(k, vals) {
                var obj = {
                    idealDeliveryRate:      0,
                    delivery:               0,
                    targetCtr:              0,
                    targetRate:             0,
                    impressions:            0,
                    clicks:                 0,
                    conversions:            0,
                    ctr:                    0,
                    conversionRate:         0,
                    revenue:                0,
                    agencyCommission:       0,
                    rebate:                 0,
                    cost:                   0,
                    sniperCost:             0,
                    adServing:              0,
                    intermediaryMargin:     0,
                    profitFinal:            0,
                    profitability:          0,
                    outdated:               0,
                };

                for (var i in vals) {
                    obj.impressions         += vals[i].impressions;
                    obj.clicks              += vals[i].clicks;
                    obj.conversions         += vals[i].conversions;
                    obj.revenue             += vals[i].revenue;
                    obj.agencyCommission    += vals[i].agencyCommission;
                    obj.rebate              += vals[i].rebate;
                    obj.cost                += vals[i].cost;
                    obj.adServing           += vals[i].adServing;
                    obj.intermediaryMargin  += vals[i].intermediaryMargin;
                    obj.idealDeliveryRate   += vals[i].idealDeliveryRate;
                    obj.profitFinal         += vals[i].profitFinal;
                }

                return obj;
            }');