复制表数据

来源：互联网发布：黄山游客大数据引流编辑：程序博客网时间：2024/05/16 07:54

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 '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

exec spGenInsertSQL tableName

或者

select 'insert into Person(Name,Description) values(
'''+cast(Name as varchar(100))+''','''+cast(Description as varchar(100))+'''
)'
from Person