mysql 存儲過程 有數據修改 沒數據插入

BEGIN
  DECLARE sid INT(10) DEFAULT  0;
  DECLARE money INT(10) DEFAULT  0;
  DECLARE row_count INT;
  DECLARE done INT DEFAULT FALSE;#默認遊標讀出有記錄
  DECLARE cur_order CURSOR  for  
    SELECT m.id,sum(o.price) money from ims_bj_shopn_order as o LEFT JOIN ims_bj_shopn_member as m on o.uid=m.id where o.status in ('1','2','3','6','7') and (m.isadmin=1 or m.id=m.staffid) and o.createtime BETWEEN 1514736000 and 1546271999  GROUP BY o.uid ORDER BY money desc;
    DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE;-- 綁定控制變量到遊標,遊標循環結束自動轉true
  #select cur_order;
    open cur_order;-- 打開遊標
    myLoop:LOOP -- 開始循環體,myLoop爲自定義循環名,結束循環時用到
        FETCH cur_order INTO sid,money; -- 將遊標當前讀取行的數據順序賦予自定義變量
        IF done THEN -- 判斷是否繼續循環
                    LEAVE myLoop; -- 結束循環
                END IF;
                -- 本身要作的事情,在 sql 中直接使用自定義變量便可
                SELECT count(*) INTO row_count from think_purchase_amount where sellerid=sid;
                IF (row_count=0) THEN
                    INSERT INTO think_purchase_amount(sellerid,count,year) VALUES(sid,money,2018);  
             ELSE
                    UPDATE think_purchase_amount  SET  count=count+money,year=2018 WHERE sellerid=sid;
                END IF;
    END LOOP myLoop;-- 結束自定義循環體
  CLOSE cur_order;-- 關閉遊標
END
相關文章
相關標籤/搜索