SQL Server编写存储过程小工具
功能：为给定表创建Update存储过程
语法： sp_GenUpdate <Table Name>,<Primary Key>,<Stored Procedure Name>
以northwind 数据库为例
sp_GenUpdate \'Employees\',\'EmployeeID\',\'UPD_Employees\'

注释：如果您在Master系统数据库中创建该过程，那您就可以在您服务器上所有的数据库中使用该过程。

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CREATE procedure sp_GenUpdate
@TableName varchar(130),
@PrimaryKey varchar(130),
@ProcedureName varchar(130)
as
set nocount on

declare @maxcol int,
@TableID int
\'knowsky.com
set @TableID = object_id(@TableName)

select @MaxCol = max(colorder)
from syscolumns
where id = @TableID

select \'Create Procedure \' + rtrim(@ProcedureName) as type,0 as colorder into #TempProc
union
select convert(char(35),\'@\' + syscolumns.name)
+ rtrim(systypes.name)
+ case when rtrim(systypes.name) in (\'binary\',\'char\',\'nchar\',\'nvarchar\',\'varbinary\',\'varchar\') then \'(\' + rtrim(convert(char(4),syscolumns.length)) + \')\'
when rtrim(systypes.name) not in (\'binary\',\'char\',\'nchar\',\'nvarchar\',\'varbinary\',\'varchar\') then \' \'
end
+ case when colorder < @maxcol then \',\'
when colorder = @maxcol then \' \'
end
as type,
colorder
from syscolumns
join systypes on syscolumns.xtype = systypes.xtype
where id = @TableID and systypes.name <> \'sysname\'
union
select \'AS\',@maxcol + 1 as colorder
union
select \'UPDATE \' + @TableName,@maxcol + 2 as colorder
union
select \'SET\',@maxcol + 3 as colorder
union
select syscolumns.name + \' = @\' + syscolumns.name
+ case when colorder < @maxcol then \',\'
when colorder = @maxcol then \' \'
end
as type,
colorder + @maxcol + 3 as colorder
from syscolumns
join systypes on syscolumns.xtype = systypes.xtype
where id = @TableID and syscolumns.name <> @PrimaryKey and systypes.name <> \'sysname\'
union
select \'WHERE \' + @PrimaryKey + \' = @\' + @PrimaryKey,(2 * @maxcol) + 4 as colorder
order by colorder


select type from #tempproc order by colorder

drop table #tempproc
/*＝＝＝＝＝＝＝源程序结束＝＝＝＝＝＝＝＝＝*/