iterates through each row but keep updating on the same db row

gistfile1.rb

# fetchs SIB Campaigns
    def fetch
      # update/create
      campaign_records.each do |record|
        shoot = Shoot.find_or_initialize_by(campaign_id: record[:id])
        unless shoot.update(record)
            # the data was invalid, so the shoot wasn't saved, do something about that here
        end
      end

      redirect_to(:action => 'index')
    end
    
    def sib
        @sib ||= Mailin.new("xxxx","xxxx")
    end
    
    def shoot_criteria
       { "type"=>"classic", "status" => "sent", "page"=>1,"page_limit"=>1000 } 
    end
    
    def shoots
       @shoots ||= sib.get_campaigns_v2(shoot_criteria) 
    end

    def campaign_records
       @campaign_records ||= shoots.map(&:data).map(&:campaign_records) 
    end