sql 刚刚解决的 现在条件又被改了 疑难查询语句
例如 这是张表 数据和类型都写出来了
table a
no(int) type(varchar(20))
5220 54,85
5220 60
4614 65,85,33
6835 12,16
现在需要从a表中
查到no=5220，type=types那某数据数据
types是传来的参数，
参数例如以types=“85,86”或types=“85”方式传来
sql语句怎么写
主要是因为type是varchar型 所以不能用type in（85,60）
这下该怎么写sql
这是刚才条件没变之前大家给的写法
[解决办法]
/*标题：分解字符串并查询相关数据作者：爱新觉罗·毓华(十八年风雨,守得冰山雪莲花开) 时间：2008-03-18地点：广东深圳说明：通过使用函数等方法分解字符串查询相关数据。问题：通过分解一个带某种符号分隔的字符串在数据库中查找相关数据。例如 @str = '1,2,3',查询下表得到记录1,4,5,6ID TypeID1 1,2,3,4,5,6,7,8,9,10,11,122 2,3 3 3,7,8,9 4 2,6 5 4,56 6,7 */-----------------------------create table tb (ID int , TypeID varchar(30)) insert into tb values(1 , '1,2,3,4,5,6,7,8,9,10,11,12') insert into tb values(2 , '2,3') insert into tb values(3 , '3,7,8,9') insert into tb values(4 , '2,6') insert into tb values(5 , '4,5')insert into tb values(6 , '6,7')go-------------------------------如果仅仅是一个,如@str = '1'.declare @str as varchar(30)set @str = '1'select * from tb where charindex(',' + @str + ',' , ',' + TypeID + ',') > 0select * from tb where ',' + TypeID + ',' like '%,' + @str + ',%'/*ID TypeID ----------- ------------------------------ 1 1,2,3,4,5,6,7,8,9,10,11,12（所影响的行数为 1 行）*/-------------------------------如果包含两个,如@str = '1,2'.declare @str as varchar(30)set @str = '1,2'select * from tb where charindex(',' + left(@str , charindex(',' , @str) - 1) + ',' , ',' + typeid + ',') > 0 or charindex(',' + substring(@str , charindex(',' , @str) + 1 , len(@str)) + ',' , ',' + typeid + ',') > 0select * from tb where ',' + typeid + ',' like '%,' + left(@str , charindex(',' , @str) - 1) + ',%' or ',' + typeid + ',' like '%,' + substring(@str , charindex(',' , @str) + 1 , len(@str)) + ',%'/*ID TypeID ----------- ------------------------------ 1 1,2,3,4,5,6,7,8,9,10,11,122 2,34 2,6（所影响的行数为 3 行）*/---------------------------------------------如果包含三个或四个，用PARSENAME函数来处理.declare @str as varchar(30)set @str = '1,2,3,4'select * from tb where charindex(',' + parsename(replace(@str , ',' , '.') , 4) + ',' , ',' + typeid + ',') > 0 or charindex(',' + parsename(replace(@str , ',' , '.') , 3) + ',' , ',' + typeid + ',') > 0 or charindex(',' + parsename(replace(@str , ',' , '.') , 2) + ',' , ',' + typeid + ',') > 0 or charindex(',' + parsename(replace(@str , ',' , '.') , 1) + ',' , ',' + typeid + ',') > 0 select * from tb where ',' + typeid + ',' like '%,' + parsename(replace(@str , ',' , '.') , 4) + ',%' or ',' + typeid + ',' like '%,' + parsename(replace(@str , ',' , '.') , 3) + ',%' or ',' + typeid + ',' like '%,' + parsename(replace(@str , ',' , '.') , 2) + ',%' or ',' + typeid + ',' like '%,' + parsename(replace(@str , ',' , '.') , 1) + ',%'/*ID TypeID ----------- ------------------------------ 1 1,2,3,4,5,6,7,8,9,10,11,122 2,33 3,7,8,94 2,65 4,5（所影响的行数为 5 行）*/-----------------------------------------如果超过四个，则只能使用函数或动态SQL来分解并查询数据。/*名称：fn_split函数.功能：实现字符串分隔功能的函数*/create function dbo.fn_split(@inputstr varchar(8000), @seprator varchar(10))returns @temp table (a varchar(200))as begin declare @i int set @inputstr = rtrim(ltrim(@inputstr)) set @i = charindex(@seprator , @inputstr) while @i >= 1 begin insert @temp values(left(@inputstr , @i - 1)) set @inputstr = substring(@inputstr , @i + 1 , len(@inputstr) - @i) set @i = charindex(@seprator , @inputstr) end if @inputstr <> '\' insert @temp values(@inputstr) return endgo--调用declare @str as varchar(30)set @str = '1,2,3,4,5'select distinct m.* from tb m,(select * from dbo.fn_split(@str,',')) nwhere charindex(',' + n.a + ',' , ',' + m.typeid + ',') > 0drop table tbdrop function dbo.fn_split /*ID TypeID ----------- ------------------------------ 1 1,2,3,4,5,6,7,8,9,10,11,122 2,33 3,7,8,94 2,65 4,5（所影响的行数为 5 行）*/--------------------------------------------使用动态SQL的语句。declare @str varchar(200)declare @sql as varchar(1000)set @str = '1,2,3,4,5'set @sql = 'select ''' + replace(@str , ',' , ''' as id union all select ''')set @sql = @sql + ''''set @sql = 'select distinct a.* from tb a , (' + @sql + ') b where charindex(' + ''','' + b.id + ' + ''',''' + ' , ' + ''','' + a.typeid + ' + ''',''' + ') > 0 'exec (@sql)/*ID TypeID ----------- ------------------------------ 1 1,2,3,4,5,6,7,8,9,10,11,122 2,33 3,7,8,94 2,65 4,5（所影响的行数为 5 行）*/