SQL Server存储过程生成insert语句实例

内容简介：这篇文章主要介绍了SQL Server使用存储过程生成insert语句再执行大量插入数据的方法

这篇文章主要介绍了 SQL Server 使用存储过程生成insert语句再执行大量插入数据的方法

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 id = object_id(@tablename)

      ) 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

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')

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