code: def db_collection_for_comparison_for(references)
        query = full_collection_for_comparison.where(targeted_selection_for(references))
        if pure_sql_record_fetching?
          return get_connection.query(query.select(*select_keys).to_sql)
        end
  
        query
      end
docs: Builds an ActiveRecord::Relation that can fetch all the references from the DB
  
   @param references [Hash{String => InventoryRefresh::InventoryCollection::Reference}] passed references
   @return [ActiveRecord::Relation] relation that can fetch all the references from the DB