創建程序錯誤星期幾（）

Question

我只需要在星期一執行程序;所以我首先在WEEKDAY（）上做了一個測試，但是有一個語法錯誤，我找不到錯在哪裏？

CREATE DEFINER=`root`@`localhost` PROCEDURE `fm_Upd_Histo_Inv`() 
BEGIN 
-- Test if it is Monday 
    CASE WEEKDAY(curdate()) = 0 then 
     insert into db1w_histo_inventory (year, week, store, total, to_do) 
      select year(curdate()), 
       WEEKOFYEAR(curdate()), 
       S.store, 
       count(S.INVDATE) as TotalToDo, 
       sum(datediff(curdate(), S.INVDATE) > '365') as 'TO_DO' 
      from mrqr_stock S 
      left join mrqr_organisms O 
       on O.ORGANISM = S.STORE 
      where (O.ORGANISM like '01%' 
         or O.ORGANISM like 'VV%' 
         or O.ORGANISM like 'IK%') 
      group by S.STORE 
    end; 
END 

Answer 1

CASE通常用於select，insert，update，delete等語句。它不用於控制流程。改爲使用IF。並設置不同的分隔符。

DELIMITER $$ 
CREATE DEFINER=`root`@`localhost` PROCEDURE `fm_Upd_Histo_Inv`() 
BEGIN 
-- Test if it is Monday 
    IF WEEKDAY(curdate()) = 0 then 
     insert into db1w_histo_inventory (year, week, store, total, to_do) 
      select year(curdate()), 
       WEEKOFYEAR(curdate()), 
       S.store, 
       count(S.INVDATE) as TotalToDo, 
       sum(datediff(curdate(), S.INVDATE) > '365') as 'TO_DO' 
      from mrqr_stock S 
      left join mrqr_organisms O 
       on O.ORGANISM = S.STORE 
      where (O.ORGANISM like '01%' 
         or O.ORGANISM like 'VV%' 
         or O.ORGANISM like 'IK%') 
      group by S.STORE 
    end if; 
END $$ 
DELIMITER ;