表数据导出sql语句

  

GO

/****** Object: StoredProcedure [dbo].[OutputData] Script Date: 08/04/2010 17:50:53 ******/

SET ANSI_NULLS ON

GO

SET QUOTED_IDENTIFIER ON

GO

Create PROCEDURE [dbo].[OutputData]

@tablename sysname

AS

declare @column varchar(1000)

declare @columndata varchar(1000)

declare @sql varchar(4000)

declare @xtype tinyint

declare @name sysname

declare @objectId int

declare @objectname sysname

declare @ident int

 

set nocount on

set @objectId=object_id(@tablename)

 

if @objectId is null --table is existed?

begin

print 'The object not exists'

return

end

set @objectname=object_name(@objectId)

 

if @objectname is null or charindex(@objectname,@tablename)=0

begin

print 'object not in current database'

return

end

 

if OBJECTPROPERTY(@objectId,'IsTable') <> 1 -- 判斷對象是否是table

begin

print 'The object is not table'

return

end

 

select @ident=status&0x80 from syscolumns where id=@objectid and status&0x80=0x80

 

if @ident is not null

print 'SET IDENTITY_INSERT '+@TableName+' ON'

 

declare syscolumns_cursor cursor

for select c.name,c.xtype from syscolumns c

where c.id=@objectid

order by c.colid

 

open syscolumns_cursor

set @column=''

set @columndata=''

fetch next from syscolumns_cursor into @name,@xtype

while @@fetch_status <>-1

begin

if @@fetch_status<>-2

begin

if @xtype not in(189,34,35,99,98) --timestamp 不需处理，image,text,ntext,sql_variant 暂时不处理

begin

set @column=@column+case when len(@column)=0 then'' else ','end+@name

set @columndata=@columndata+case when len(@columndata)=0 then '' else ','','','end

+case when @xtype in(167,175) then '''''''''+'+@name+'+''''''''' --varchar,char

when @xtype in(231,239) then '''N''''''+'+@name+'+''''''''' --nvarchar,nchar

when @xtype=61 then '''''''''+convert(char(23),'+@name+',121)+''''''''' --datetime

when @xtype=58 then '''''''''+convert(char(16),'+@name+',120)+''''''''' --smalldatetime

when @xtype=36 then '''''''''+convert(char(36),'+@name+')+''''''''' --uniqueidentifier

else @name

end

end

end

fetch next from syscolumns_cursor into @name,@xtype

end

close syscolumns_cursor

  

deallocate syscolumns_cursor

 

set @sql='set nocount on select ''insert '+@tablename+'('+@column+') values(''as ''--'','+@columndata+','')'' from '+@tablename

 

print '--'+@sql

exec(@sql)

 

if @ident is not null

print 'SET IDENTITY_INSERT '+@TableName+' OFF'