Export a resource model with a HasMany relation
I have order resource that I need to export order with its items (each order has a number of items). So how can I use/customize ExportAction in order to achieve that detailed export
Example: given 4 orders with two items each has 2 so a total of 8 records to be exported
Example: given 4 orders with two items each has 2 so a total of 8 records to be exported
