We released the aggregates on relation's columns on our demo pages

[macropay-solutions]

Example

http://89.40.19.34/laravel-10/laravel-lumen-crud-wizard/decorated

GET /operations?aggregates[sumsRelations][products][0]=value&aggregates[avgsRelations][products][0]=value&aggregates[minsRelations][products][0]=value&aggregates[maxsRelations][products][0]=value&perPage=10&page=1&hasRelations[products][from]=1