SQL Server 儲存過程生成insert語句

2022-02-06 19:08:19 字數 4187 閱讀 1147

你肯定有過這樣的煩惱,同樣的表,不同的資料庫,加入你不能執行select  insert

那麼你肯定需要一條這樣的儲存過程,之需要傳入表明,就會給你生成資料的插入語句。

當然資料表數量太大,你將最好用別的方式

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

ascols,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語句

最後的結果:

insert into [syssample] ([id],[name],[age],[bir],[photo],[note],[createtime]) values ('0002ca83-af2f-4d8f-a345-33ca1cc7cf3c','任務排程系統',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','任務排程系統',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','任務排程系統',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','任務排程系統',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','任務排程系統',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','任務排程系統',18,'2013-01-23 20:52:30.030','',null,'2013-01-23 20:52:30.030')

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