SQL Server存储过程生成insert语句实例

q66262

　　你肯定有过这样的烦恼，同样的表，不同的数据库，加入你不能执行select insert
　　那么你肯定需要一条这样的存储过程，之需要传入表明，就会给你生成数据的插入语句。
　　当然数据表数量太大，你将最好用别的方式
　　代码如下:
Create   proc [dbo].[spGenInsertSQL] (@tablename varchar(256))　　
as
　　
begin
　　
declare @sql varchar(8000)
　　
declare @sqlValues varchar(8000)
　　
set @sql =' ('
　　
set @sqlValues = 'values (''+'
　　
select @sqlValues = @sqlValues + cols + ' + '','' + ' ,@sql = @sql + '[' + name + '],'
　　
from
　　(select case
　　when xtype in (48,52,56,59,60,62,104,106,108,122,127)
　　then 'case when '+ name +' is null then ''NULL'' else ' + 'cast('+ name + ' as varchar)'+' end'
　　when xtype in (58,61)
　　--then '''''''''+convert(char(23),'+name+',121)+''''''''' --datetime
　　then 'case when '+ name +' is null then ''NULL'' else '+''''''''' + ' + 'cast('+ name +' as varchar)'+ '+'''''''''+' end'
　　when xtype in (167)
　　then 'case when '+ name +' is null then ''NULL'' else '+''''''''' + ' + 'replace('+ name+','''''''','''''''''''')' + '+'''''''''+' end'
　　when xtype in (231)
　　then 'case when '+ name +' is null then ''NULL'' else '+'''N'''''' + ' + 'replace('+ name+','''''''','''''''''''')' + '+'''''''''+' end'
　　when xtype in (175)
　　then 'case when '+ name +' is null then ''NULL'' else '+''''''''' + ' + 'cast(replace('+ name+','''''''','''''''''''') as Char(' + cast(length as varchar) + '))+'''''''''+' end'
　　when xtype in (239)
　　then 'case when '+ name +' is null then ''NULL'' else '+'''N'''''' + ' + 'cast(replace('+ name+','''''''','''''''''''') as Char(' + cast(length as varchar) + '))+'''''''''+' end'
　　else '''NULL'''
　　end as Cols,name
　　from syscolumns

　　where>　　) T
　　
set @sql ='select ''INSERT INTO ['+ @tablename + ']' + left(@sql,len(@sql)-1)+') ' + left(@sqlValues,len(@sqlValues)-4) + ')'' from '+@tablename
　　
print @sql
　　
exec (@sql)
　　
end
　　
SQL语句
　　最后的结果：
　　unity3d下载 http://www.unitymanual.com/
　　INSERT INTO [SysSample] ([Id],[Name],[Age],[Bir],[Photo],[Note],[CreateTime]) values ('0002CA83-AF2F-4D8F-A345-33CA1CC7CF3C','任务调度系统',18,'2013-01-02 21:42:30.013','',NULL,'2013-01-02 21:42:30.013')
　　INSERT INTO [SysSample] ([Id],[Name],[Age],[Bir],[Photo],[Note],[CreateTime]) values ('0004A6F3-EC28-4D1F-BA40-0FC4B2218C92','任务调度系统',18,'2013-07-09 19:36:00.060','',NULL,'2013-07-09 19:36:00.060')
　　INSERT INTO [SysSample] ([Id],[Name],[Age],[Bir],[Photo],[Note],[CreateTime]) values ('00094D35-7B51-4EA3-871E-CE17E293B157','任务调度系统',18,'2013-05-16 15:21:20.070','',NULL,'2013-05-16 15:21:20.070')
　　INSERT INTO [SysSample] ([Id],[Name],[Age],[Bir],[Photo],[Note],[CreateTime]) values ('000BFBB0-B37D-4D6E-9FA2-3069D4F18F84','任务调度系统',18,'2013-04-11 11:41:50.030','',NULL,'2013-04-11 11:41:50.030')
　　INSERT INTO [SysSample] ([Id],[Name],[Age],[Bir],[Photo],[Note],[CreateTime]) values ('000C2CBC-E358-4469-BC2C-04F4DDCD72CD','任务调度系统',18,'2013-05-06 16:07:00.037','',NULL,'2013-05-06 16:07:00.037')
　　INSERT INTO [SysSample] ([Id],[Name],[Age],[Bir],[Photo],[Note],[CreateTime]) values ('000CB795-40EC-4783-B7A4-8D298DF63B70','任务调度系统',18,'2013-01-23 20:52:30.030','',NULL,'2013-01-23 20:52:30.030')