Mysql sql语句积累

分组排序

#alter table zxfw_offline_qa add zx_number varchar(50) COMMENT '咨询编号，提问日期+提问顺序' AFTER id;/*
select (@i := case  when  @pre_consult_time=consult_time then @i + 1 else 1 end )  rownum,  qa.*,(@pre_consult_time:=consult_time)  from  zxfw_offline_qa qa, (SELECT  @i := 0, @pre_consult_time:='') AS a  group  by consult_time,id order by consult_time*/# 表增加字段
alter table zxfw_offline_qa add zx_number varchar(50) COMMENT '咨询编号，提问日期+提问顺序' AFTER id;# 创建临时表DROP TABLE IF EXISTS `offline_temp`;
CREATE TABLE `offline_temp`  (`id` int(11),`zx_number` varchar(50)
);# 把分组排序的值插入临时表
insert into offline_temp
select b.id,CONCAT(b.consult_time,'-',b.rownum) zx_number
from
(
select (@i := case  when  @pre_consult_time=consult_time then @i + 1 else 1 end )  rownum,  qa.id,qa.consult_time,(@pre_consult_time:=consult_time)  from  zxfw_offline_qa qa, (SELECT  @i := 0, @pre_consult_time:='') AS a  group by consult_time,id) b;# 更新线下咨询表 update zxfw_offline_qa set zx_number='';update zxfw_offline_qa a inner join offline_temp bon a.id=b.idset a.zx_number=b.zx_number;#查询结果select * from zxfw_offline_qa ORDER BY consult_time;

 

 

禅道统计工时

select u.realname as '姓名',t.worktimes as '工时' from (
select finishedBy,round(SUM(consumed),2) as worktimes from zt_task where LENGTH(finishedBy)>0 and project=18 GROUP BY finishedBy
) t,zt_user u where t.finishedBy=u.account order by worktimes;

 

随机100条

select * from tdw  ORDER BY RAND() LIMIT 100;

 

/*
UPDATE dati0917 dtINNER JOINygh_user u ON dt.idcards=u.ID_CARD_NUM
SET dt.app_phone = u.LOGIN_NAME;*/

#select length(csfz) from hzbz;#select LENGTH(cert_no) from weixin;#select cert_no from weixin where LENGTH(cert_no)>18;#SELECT count(0) as hznum from hzbz;
#SELECT count(0) as wxnum from weixin;
#SELECT count(0) as 51num from wuyi_card;
#SELECT count(0) as appnum from ygh;#数据清理#delete from wuyi_card where length(wuyi_card_no)=0;#update weixin set cert_no=trim(cert_no);#update hzbz set csfz=trim(csfz);#update wuyi_card set cert_no=trim(cert_no);#update ygh set ID_CARD_NUM=trim(ID_CARD_NUM);#查询不正常身份证
#select cert_no as wx_sfz from weixin where LENGTH(cert_no)<>18 and LENGTH(cert_no)<>15;
#select csfz as hzbz_sfz from hzbz where LENGTH(csfz)<>18 and LENGTH(csfz)<>15;
#select cert_no as 51_sfz from wuyi_card where LENGTH(cert_no)<>18 and LENGTH(cert_no)<>15 and wuyi_card_no is not null;
#select ID_CARD_NUM as app_sfz from ygh where LENGTH(ID_CARD_NUM)<>18 and LENGTH(ID_CARD_NUM)<>15;#查出重复数据#select cert_no as wx_sfz from weixin where cert_no in (select cert_no from weixin group by cert_no having count(cert_no)>1);#select csfz as hzbz_sfz from hzbz where csfz in (select csfz from hzbz group by csfz having count(csfz)>1);#select cert_no as 51_sfz from wuyi_card where cert_no in (select cert_no from wuyi_card group by cert_no having count(cert_no)>1);#select ID_CARD_NUM as app_sfz from ygh where ID_CARD_NUM in (select ID_CARD_NUM from ygh group by ID_CARD_NUM having count(ID_CARD_NUM)>1);#删除不正常身份证#delete from weixin where LENGTH(cert_no)<>18 and LENGTH(cert_no)<>15;
#delete from hzbz where LENGTH(csfz)<>18 and LENGTH(csfz)<>15;
#delete from wuyi_card where LENGTH(cert_no)<>18 and LENGTH(cert_no)<>15;
#delete from ygh where LENGTH(ID_CARD_NUM)<>18 and LENGTH(ID_CARD_NUM)<>15;#删除重复数据，多执行几次/*
DELETE FROM ygh 
WHERE id IN 
(SELECT id FROM (SELECT id FROM ygh GROUP BY ID_CARD_NUM HAVING count(*) > 1)e);
*/#进行标识
#51工会卡认证#update hzbz set wuyika='YES' WHERE csfz IN (select csfz from (select hzbz.csfz FROM hzbz,wuyi_card where hzbz.csfz=wuyi_card.cert_no) a);#update hzbz set weixin='YES' WHERE csfz IN (select csfz from (select hzbz.csfz FROM hzbz,weixin where hzbz.csfz=weixin.cert_no) a);#update hzbz set app='YES' WHERE csfz IN (select csfz from (select hzbz.csfz FROM hzbz,ygh where hzbz.csfz=ygh.ID_CARD_NUM) a);#SELECT count(0) as 51RZ from hzbz where wuyika='YES';
#SELECT count(0) as WXRZ from hzbz where weixin='YES';
#SELECT count(0) as APPRZ from hzbz where app='YES';
#SELECT count(0) as ALLRZ from hzbz where app='YES' AND wuyika='YES' AND weixin='YES';#按产业和区导出/*
select DISTINCT(cxtbh) from hzbz;select * from hzbz where cxtbh='海曙区';
select * from hzbz where cxtbh='财贸';
select * from hzbz where cxtbh='文卫';
select * from hzbz where cxtbh='海曙区';
select * from hzbz where cxtbh='海曙区';
select * from hzbz where cxtbh='海曙区';
select * from hzbz where cxtbh='海曙区';
select * from hzbz where cxtbh='海曙区';
select * from hzbz where cxtbh='海曙区';
select * from hzbz where cxtbh='海曙区';
select * from hzbz where cxtbh='海曙区';
select * from hzbz where cxtbh='海曙区';select * from hzbz where cdwm='宁波市海曙区段塘街道洞桥社区';*/#update hzbz0527 set wuyika='YES' WHERE csfz IN (select csfz from (select hzbz0527.csfz FROM hzbz0527,wuyi_card where hzbz0527.csfz=wuyi_card.cert_no) a);#update hzbz0527 set weixin='YES' WHERE csfz IN (select csfz from (select hzbz0527.csfz FROM hzbz0527,weixin0527 where hzbz0527.csfz=weixin0527.cert_no) a);#update hzbz0527 set app='YES' WHERE csfz IN (select csfz from (select hzbz0527.csfz FROM hzbz0527,ygh where hzbz0527.csfz=ygh.ID_CARD_NUM) a);#去除奇怪的空格
#update hzbz0527 set csfz=replace(csfz,'　','');#update hzbz0527 set remark=null;#标识错误身份证号#update hzbz0527 set remark='身份证格式错误' where LENGTH(csfz)<>18 and LENGTH(csfz)<>15;#标识重复身份证号/*
update hzbz0527 set remark='身份证重复' where csfz in (
select a.hzbz_sfz from
(select csfz as hzbz_sfz from hzbz0527 where csfz in (select csfz from hzbz0527 group by csfz having count(csfz)>1)
) a);
*/

 

SELECT
count(status = 0 OR NULL) AS a,
count(status = 1 OR NULL) AS b,
count(status = 2 OR NULL) AS c,
count(status = 3 OR NULL) AS d,
count(status = 4 OR NULL) AS e
FROM table;OR NULL必须要有

 

 

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