根據表中資料生成insert語句的儲存過程

有個缺點……就是標識種子的列 也insert了

create   proc spgeninsertsql (@tablename varchar(256))

asbegin

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)

endgo

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