paip.输入法编程---带ord gudin去重复-

作者Attilax ， EMAIL:1466519819@qq.com
来源：attilax的专栏
地址：http://blog.csdn.net/attilax

--------查询重复(不同ORD)

SELECT
hezi,
atian,
gudin,

count(id) AS num
FROM
gaopinzi
WHERE
LENGTH(atian) > 0 and ( del is null or del=0) and lang='chinese'
GROUP BY
hezi,
atian

HAVING
num > 1

-----------加入临时表.

DELETE from tmp_tsiku;

insert tmp_tsiku(hezi,atian,gudin,lang)

SELECT
hezi,
atian,
gudin,

count(id) AS num
FROM
gaopinzi
WHERE
LENGTH(atian) > 0 and ( del is null or del=0) and lang='chinese'
GROUP BY
hezi,
atian

HAVING
num > 1
;
select * from tmp_tsiku

去重复存储过程 conf_del
----------------------
原理如下：
for( tmp_tsiku )
if(getTsityao_count(hezi,py))
{
baolyeu_id= get_top1(hezi,py);
del_other(hezi,py,baolyeu_id);

}

BEGIN
#Routine body goes here...
declare tmpName varchar(200) default '' ;
declare var_ati varchar(200) default '' ;
declare havgudin int;
declare gundi_id int;
declare rownum int;
declare tsityao_count int;
declare baolyeu_id int;

declare tmpint int;
DECLARE isRecordNotFound int;

declare cur1 CURSOR FOR   select hezi,atian from tmp_tsiku where 1=1   ;
declare continue handler for not found set isRecordNotFound = 1;
-- Oracle的PL/SQL的指针有个隐性变量%notfound，
       -- Mysql是通过一个Error handler的声明来进行判断的，
       -- declare continue handler for Not found (do some action);
       -- 在Mysql里当游标遍历溢出时，会出现一个预定义的NOT FOUND的Error，
       -- 我们处理这个Error并定义一个continue的handler就可以了
    -- 下面一句不能没有，否则将会进不了while循环
       set isRecordNotFound = 0;
set rownum=1;
/*开游标*/
#set tmpName=; set var_ati
     OPEN cur1;

/*游标向下走一步*/

FETCH cur1 INTO tmpName,var_ati;

/* 循环体这很明显把游标查询出的 name 都加起并用 ; 号隔开 */

WHILE ( isRecordNotFound = 0 ) DO

set tsityao_count=getTsityao_count(tmpName,var_ati);
       if tsityao_count>1 THEN

          select havgudin,rownum ;

             set

baolyeu_id= get_top1(tmpName,var_ati);

select gundi_id,rownum ;
set

tmpint= del_other(tmpName,var_ati,baolyeu_id);

end if;

set rownum=rownum+1;
/*yao jya jeig select ,beri zweiheu yg result b show chwlai.. */
select 'the end';
/*游标向下走一步*/

FETCH cur1 INTO tmpName,var_ati;

END WHILE;

CLOSE cur1;

END

-------getTsityao_count---------
BEGIN
#Routine body goes here...
DECLARE gudinid int ;

set @gudinid= (

SELECT
COUNT(*)
FROM
gaopinzi
WHERE

(del IS NULL OR del = 0)
AND lang = 'chinese'
AND hezi = hezi
AND atian =py

);
RETURN @gudinid;
END
--------get_top1-----------
BEGIN
#Routine body goes here...
DECLARE gudinid int ;

set @gudinid= ( select id from gaopinzi where lang='chinese' and HEZI=hezix and ATIAN=py

and (del is null or del=0)

order by gudin desc,ord,id
limit 1

);
RETURN @gudinid;
END

---------del_other---------
BEGIN
#Routine body goes here...
#select SQL_NO_CACHE del_no_gudin ('一','y',3192) c1

declare tmpName INT;

/*
update gaopinzi set del=1,deltime=now(),dely='del no-gudin'
*/
#SET NAMES 'utf8';
insert tmp(id,hezi,py)

select id,hezi,atian from gaopinzi

where lang='chinese' and HEZI=hezix and atian=py
and ( del is null or del=0)
and id!=baolyeuid

;
RETURN tmpName;

END

检查得到的tmp是否OK.
-----------

触发器日志
---------
以便进行误删除恢复..
CREATE TRIGGER `deladdtime` AFTER UPDATE ON `gaopinzi` FOR EACH ROW begin

insert logx(idop,eventx,timex,demo,hezi,pyold,pynew)values( old.id,'update rec',now(),'',old.hezi,old.atian,new.atian);
end;

删除虫复
-----------
update gaopinzi set del=1,deltime=now(),dely='del no-gudin'
where id in (select id from tmp)

----------恢复误删除的记录

select * from logx WHERE id>=6 and id<=10
(select idop from logx WHERE id>=6 and id<=10);
select * from gaopinzi where id in (13083,15319,15736,16030,137815);
UPDATE gaopinzi set del=0,deltime=now(),dely='hweif' where id in (13083,15319,15736,16030,137815);
select * from gaopinzi where id=137815

------------------已下为测试SQL--------------
------------------已下为测试SQL--------------

select * from gaopinzi where lang='chinese' and HEZI='七' and ( del is null or del=0) order by id

limit 7;
select * from gaopinzi where lang='chinese' and HEZI='一' and ( del is null or del=0)
exec QUERY_chonf_nosame_ord

-----查询是否有重复的记录...

SELECT
COUNT(*)
FROM
gaopinzi
WHERE
LENGTH(hezi) = 3
AND (del IS NULL OR del = 0)
AND lang = 'chinese'
AND hezi = '针'
AND atian = 'jenjs'
ORDER BY
gudin DESC,
ord

-------得到要保留的ID
SELECT
*
FROM
gaopinzi
WHERE
LENGTH(hezi) = 3
AND (del IS NULL OR del = 0)
AND lang = 'chinese'
AND hezi = '针'
AND atian = 'jenjs'
ORDER BY
gudin DESC,
ord
LIMIT 1

------删除其他记录.

update gaopinzi set del=1 where
LENGTH(hezi) = 3
AND (del IS NULL OR del = 0)
AND lang = 'chinese'
AND hezi = '针'
AND atian = 'jenjs'
and id!=@top1

select * from gaopinzi

where lang='chinese' and HEZI='一' and atian='y'
and ( del is null or del=0)
and gudin=0 and id!=3192

=============

update gaopinzi set del=1 ,dely='test' where id=7106 and atian='cy'
update gaopinzi set del=1 ,dely='test' where id=7106 and atian='cy'
select * from gaopinzi where id=7106

select * from tmp

select hezi,atian from gaopinzi where lang='chinese' and (del is null or del=0) and LENGTH(hezi)=3

and ord=99 order by hezi

select * from gaopinzi where lang='chinese' and (del is null or del=0) and LENGTH(hezi)=3 and ord=99

order by hezi

select havgudin('针','jen')

select havgudin('一','y')

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