第一次寫(xiě)MySQL FUNCTION，一直報(bào)錯(cuò)，
Err] 1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '`company_id` int) RETURNS varchar(20) CHARSET utf8
BEGIN
本來(lái)的函數(shù)：
CREATE DEFINER=`33323`@`%` FUNCTION `createSaleCode`(`benginStr` varchar,`company_id` int) RETURNS varchar(20) CHARSET utf8
BEGIN
DECLARE nearnum VARCHAR(20);
DECLARE nowdatepre VARCHAR(20);
DECLARE numout VARCHAR(20);
SELECT a.sale_code INTO nearnum FROM d_sale a WHERE a.company_id = company_id ORDER BY a.sale_id DESC limit 1;
SELECT concat(extract(year_month from now()),LPAD(extract(day from now()), 2, 0)) INTO nowdatepre;
IF locate(nowdatepre,nearnum)>0
THEN
set numout = nearnum +1;
ELSE
set numout = concat(beginStr,nowdatepre,'00001');
END IF;
RETURN numout;
END
這段函數(shù)在Navicat上邊執(zhí)行不起來(lái)，在多次嘗試之后將代碼修改為以下：
delimiter $$
CREATE DEFINER=`12212`@`%` FUNCTION createSaleCode(benginStr varchar(20),company_id int(11) ) RETURNS varchar(20) CHARSET utf8
BEGIN
DECLARE nearnum VARCHAR(20);
DECLARE nowdatepre VARCHAR(20);
DECLARE numout VARCHAR(20);
SELECT a.sale_code INTO nearnum FROM d_sale a WHERE a.company_id = company_id ORDER BY a.sale_id DESC limit 1;
SELECT concat(extract(year_month from now()),LPAD(extract(day from now()), 2, 0)) INTO nowdatepre;
IF locate(nowdatepre,nearnum)>0
THEN
set numout = nearnum +1;
ELSE
set numout = concat(beginStr,nowdatepre,'00001');
END IF;
RETURN numout;
END$$
delimiter ;
問(wèn)題解決。
默認(rèn)情況下，delimiter是分號(hào);。
總結(jié)
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