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标题: 将表数据生成SQL脚本的存储过程 [打印本页]

作者: 有烟没火    时间: 2009-1-8 11:11
标题: 将表数据生成SQL脚本的存储过程
  将表数据生成SQL脚本的存储过程:      CREATE PROCEDURE dbo.UspOutputData   @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 -- 判斷對象是否存在   begin   print 'The object not exists'   return   end   set @objectname=rtrim(object_name(@objectId))      if @objectname is null or charindex(@objectname,@tablename)=0 --此判断不严密   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'      GO      exec UspOutputData 你的表名 <




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