日期：2012-06-14 18:24:00 来源：本站整理

MySql存储历程非常处理示例代码分享[MySQL防范]

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　　本文“MySql存储历程非常处理示例代码分享[MySQL防范]”是由七道奇为您精心收集，来源于网络转载，文章版权归文章作者所有，本站不对其观点以及内容做任何评价，请读者自行判断，以下是其具体内容：
下面是示例代码,在发生非常的时刻会将非常信息存入日记表中,并持续运行背面的语句.

假如您有更好的倡议,望不吝赐教.

存储历程非常处理示例
复制代码代码以下:
-- --------------------------------------------------------------------------------
-- Routine DDL
-- Note: comments before and after the routine body will not be stored by the server
-- --------------------------------------------------------------------------------
DELIMITER $$
CREATE DEFINER=`driveradmin`@`%` PROCEDURE `Merge_BrandProductKey`()
BEGIN
DECLARE EXIT HANDLER FOR SQLEXCEPTION
begin
insert into t_runninglog values(default,default,'exception in MergeBrandProductKey',concat(@@error_count,' errors'));
commit;
end;
DECLARE CONTINUE HANDLER FOR SQLWARNING
begin
insert into t_runninglog values(default,default,'warnings in MergeBrandProductKey',concat(@@warning_count,' warnings'));
commit;
end;
insert into t_runninglog values(default,default,'start in MergeBrandProductKey','');
commit;
-- 任务履行主体开始
-- /*
-- normal
update brandproductkey as bpk,
(select bp.brandproductid, bp.brandproductenname, bp.brandid
from brandproduct as bp
inner join (select brandid,brandproductid from brandproductdriverrelation group by brandid,brandproductid) as bpr
on bp.brandid=bpr.brandid and bp.brandproductid = bpr.brandproductid
) as bpp
set bpk.brandproductid=bpp.brandproductid
where bpk.brandproductid = 0
-- and bpk.computertype = 2 -- 0
and bpk.brandid = bpp.brandid
and upper(bpk.brandproductkeyname) = upper(replace(bpp.brandproductenname,' ',''));
commit;
insert into t_runninglog values(default,default,'rule normal in MergeBrandProductKey','');
commit;
-- sony rule 1
-- VPCEA37EC --> (VPCEA37EC/B,VPCEA37EC/L,VPCEA37EC/P,VPCEA37EC/W)
update brandproductkey as bpk,
(select bp.brandproductid, bp.brandproductenname, bp.brandid
from brandproduct as bp
inner join (select brandid,brandproductid from brandproductdriverrelation group by brandid,brandproductid) as bpr
on bp.brandid=bpr.brandid and bp.brandproductid = bpr.brandproductid and bp.brandid=60
) as bpp
set bpk.brandproductid=bpp.brandproductid
where bpk.brandproductid = 0
-- and bpk.computertype = 2 -- 0
and bpk.brandid = bpp.brandid
and bpp.brandproductenname like concat(bpk.brandproductkeyname,'/%');
commit;
insert into t_runninglog values(default,default,'rule sony 1 in MergeBrandProductKey','');
commit;
-- sony rule 2
-- VGN-TZ37N_X --> VGN-TZ37N/X
update brandproductkey as bpk,
(select bp.brandproductid, bp.brandproductenname, bp.brandid
from brandproduct as bp
inner join (select brandid,brandproductid from brandproductdriverrelation group by brandid,brandproductid) as bpr
on bp.brandid=bpr.brandid and bp.brandproductid = bpr.brandproductid and bp.brandid=60
) as bpp
set bpk.brandproductid=bpp.brandproductid
where bpk.brandproductid = 0
-- and bpk.computertype = 2 -- 0
and bpk.brandid = bpp.brandid
and upper(bpk.brandproductkeyname) = upper(replace(bpp.brandproductenname,'/','_'));
commit;
insert into t_runninglog values(default,default,'rule sony 2 in MergeBrandProductKey','');
commit;
-- lenovo rule 1
-- ZHAOYANG E45 --> 昭阳E45
update brandproductkey as bpk,
(select bp.brandproductid, bp.brandproductenname, bp.brandid,bpr.driverid
from brandproduct as bp
inner join (select brandid,brandproductid,max(driverinfoid) as driverid from brandproductdriverrelation group by brandid,brandproductid) as bpr
on bp.brandid=bpr.brandid and bp.brandproductid = bpr.brandproductid and bp.brandid=37
) as bpp
set bpk.brandproductid=bpp.brandproductid
where bpk.brandproductid = 0
-- and bpk.computertype = 2 -- 0
and bpk.brandid = bpp.brandid
and bpk.brandproductkeyname <> ''
and instr(bpp.brandproductenname,SUBSTRING_INDEX(bpk.brandproductkeyname,' ',-1))>0
and bpp.brandproductenname regexp concat('^[^\x00-\xff]+', SUBSTRING_INDEX(bpk.brandproductkeyname,' ',-1),'$');
commit;
insert into t_runninglog values(default,default,'rule lenovo 1 in MergeBrandProductKey','');
commit;
-- HP rule 1
-- HP Compaq 6535s --> HP Compaq 6535s 笔记本电脑
update brandproductkey as bpk,
(select bp.brandproductid, bp.brandproductenname, bp.brandid
from brandproduct as bp
inner join (select brandid,brandproductid from brandproductdriverrelation group by brandid,brandproductid) as bpr
on bp.brandid=bpr.brandid and bp.brandproductid = bpr.brandproductid and bp.brandid=36
) as bpp
set bpk.brandproductid = bpp.brandproductid
where bpk.brandproductid = 0
-- and bpk.computertype = 2 -- 0
and bpk.brandid = bpp.brandid
and bpk.brandproductkeyname <> ''
and bpp.brandproductenname = concat(bpk.brandproductkeyname,' 笔记本电脑');
insert into t_runninglog values(default,default,'rule hp 1 in MergeBrandProductKey','');
commit;
-- HP rule 2
-- HP Compaq 6535s --> HP Compaq 6535s Notebook PC
update brandproductkey as bpk,
(select bp.brandproductid, bp.brandproductenname, bp.brandid
from brandproduct as bp
inner join (select brandid,brandproductid from brandproductdriverrelation group by brandid,brandproductid) as bpr
on bp.brandid=bpr.brandid and bp.brandproductid = bpr.brandproductid and bp.brandid=36
) as bpp
set bpk.brandproductid = bpp.brandproductid
where bpk.brandproductid = 0
-- and bpk.computertype = 2 -- 0
and bpk.brandid = bpp.brandid
and bpk.brandproductkeyname <> ''
and upper(bpp.brandproductenname) = upper(concat(bpk.brandproductkeyname,' Notebook PC'));
insert into t_runninglog values(default,default,'rule hp 2 in MergeBrandProductKey','');
commit;
-- */
-- 任务履行主体完毕
insert into t_runninglog values(default,default,'finish in MergeBrandProductKey','');
commit;
END

有关HANDLER的语法构造以下:
复制代码代码以下:
DECLARE handler_type HANDLER FOR condition_value[,...] sp_statement
handler_type: CONTINUE | EXIT
condition_value: SQLSTATE [VALUE] sqlstate_value | condition_name | SQLWARNING | NOT FOUND | SQLEXCEPTION | mysql_error_code
Handlers范例:
, EXIT: 发生错误时退出当前代码块（大概是子代码块大概main代码块）
, CONTINUE: 发送错误时持续履行后续代码
condition_value:
condition_value支持尺度的SQLSTATE定义;
SQLWARNING是对全部以01开首的SQLSTATE代码的速记
NOT FOUND是对全部以02开首的SQLSTATE代码的速记
SQLEXCEPTION是对全部没有被SQLWARNING或NOT FOUND捕捉的SQLSTATE代码的速记
除了SQLSTATE值,MySQL错误代码也被支持
但是关于mysql而言,优先级以下:
MySQL Error code > SQLSTATE code > 命名条件

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