module Pagy::ArelExtra

def pagy_arel_get_vars(collection, vars)

Sub-method called only by #pagy_arel: here for easy customization of variables by overriding 
def pagy_arel_get_vars(collection, vars)
  pagy_set_items_from_params(vars) if defined?(ItemsExtra)
  vars[:count] ||= pagy_arel_count(collection)
  vars[:page]  ||= params[vars[:page_param] || DEFAULT[:page_param]]
  vars
end