第一个
CREATE PROCEDURE lanchina_person_manage
as
select bm_yuangong.*,
case bm_yuangong.Person_zhuangtai
WHEN 0 THEN '离职'
WHEN 1 THEN '试用在职'
WHEN 2 THEN '正式在职'
end as Person_zhuangtai1
from bm_yuangong
where Person_zhuangtai<>'0'
order by person_id descGO
可以正常使用
我在查询里 同样使用了类似的存储过程
是这样写的
CREATE PROCEDURE lanchina_person_managetwo@new_select varchar(50),
@new_key varchar(50)
as
select bm_yuangong.*,
case bm_yuangong.Person_zhuangtai
WHEN 0 THEN '离职'
WHEN 1 THEN '试用在职'
WHEN 2 THEN '正式在职'
end as Person_zhuangtai1
from bm_yuangong
where '+@new_select+' like "%'+@new_key+'%" and Person_zhuangtai<>'0'
order by person_id desc
GO
这第二个 没有语法错误 却怎么都查询不出借过 请问这是为什么 谢谢大家 急急急!!!
CREATE PROCEDURE lanchina_person_manage
as
select bm_yuangong.*,
case bm_yuangong.Person_zhuangtai
WHEN 0 THEN '离职'
WHEN 1 THEN '试用在职'
WHEN 2 THEN '正式在职'
end as Person_zhuangtai1
from bm_yuangong
where Person_zhuangtai<>'0'
order by person_id descGO
可以正常使用
我在查询里 同样使用了类似的存储过程
是这样写的
CREATE PROCEDURE lanchina_person_managetwo@new_select varchar(50),
@new_key varchar(50)
as
select bm_yuangong.*,
case bm_yuangong.Person_zhuangtai
WHEN 0 THEN '离职'
WHEN 1 THEN '试用在职'
WHEN 2 THEN '正式在职'
end as Person_zhuangtai1
from bm_yuangong
where '+@new_select+' like "%'+@new_key+'%" and Person_zhuangtai<>'0'
order by person_id desc
GO
这第二个 没有语法错误 却怎么都查询不出借过 请问这是为什么 谢谢大家 急急急!!!
CREATE PROCEDURE lanchina_person_managetwo
@new_select varchar(50),
@new_key varchar(50)
as
declare @sql varchar(8000)
set @sql = '
select bm_yuangong.*,
case bm_yuangong.Person_zhuangtai
WHEN 0 THEN ''离职''
WHEN 1 THEN ''试用在职''
WHEN 2 THEN ''正式在职''
end as Person_zhuangtai1
from bm_yuangong
where '+@new_select+' like ''%'+@new_key+'%'' and Person_zhuangtai<>''0''
order by person_id desc'
EXEC(@sql)
GO
@new_key varchar(50)
asdeclare @sql varchar(8000)set @sql ='
select bm_yuangong.*,
case bm_yuangong.Person_zhuangtai
WHEN 0 THEN ''离职''
WHEN 1 THEN ''试用在职''
WHEN 2 THEN ''正式在职''
end as Person_zhuangtai1
from bm_yuangong
where '+@new_select+' like ''%'+@new_key+'%'' and Person_zhuangtai<>''0''
order by person_id desc'
print @sqlexec (@sql)
GO
动态sql语句基本语法
1 :普通SQL语句可以用Exec执行 eg: Select * from tableName
Exec('select * from tableName')
Exec sp_executesql N'select * from tableName' -- 请注意字符串前一定要加N 2:字段名,表名,数据库名之类作为变量时,必须用动态SQL eg:
declare @fname varchar(20)
set @fname = 'FiledName'
Select @fname from tableName -- 错误,不会提示错误,但结果为固定值FiledName,并非所要。
Exec('select ' + @fname + ' from tableName') -- 请注意 加号前后的 单引号的边上加空格 当然将字符串改成变量的形式也可
declare @fname varchar(20)
set @fname = 'FiledName' --设置字段名 declare @s varchar(1000)
set @s = 'select ' + @fname + ' from tableName'
Exec(@s) -- 成功
exec sp_executesql @s -- 此句会报错 declare @s Nvarchar(1000) -- 注意此处改为nvarchar(1000)
set @s = 'select ' + @fname + ' from tableName'
Exec(@s) -- 成功
exec sp_executesql @s -- 此句正确 3. 输出参数
declare @num int,
@sql nvarchar(4000)
set @sql='select count(*) from tableName'
exec(@sql)
--如何将exec执行结果放入变量中? declare @num int, @sql nvarchar(4000)
set @sql='select @a=count(*) from tableName '
exec sp_executesql @sql,N'@a int output',@num output
select @num
declare @a varchar(1000)
set @a='select bm_yuangong.*,
case bm_yuangong.Person_zhuangtai
WHEN 0 THEN ''离职''
WHEN 1 THEN ''试用在职''
WHEN 2 THEN ''正式在职''
end as Person_zhuangtai1
from bm_yuangong
where '+@new_select+' like ''%'+@new_key+'%'' and Person_zhuangtai<>''0''
order by person_id desc'
exec(@a)