sql server复制表数据到另外一个表 的存储过程

if exists (select * from sysobjects where id=object_id(GenerateData) and OBJECTPROPERTY(id, IsProcedure) =1 ) Drop Procedure GenerateDatagoCREATE PROCEDURE GenerateData @tablename sysname --同一数据库下的表名AS begin declare @column varchar(2000) declare @columndata varchar(2000) declare @sql varchar(8000) 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 -- 判断对象是否存在  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 -- 判断对象是否是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 into +@tablename+(+@column+) values(‘‘as ‘‘--‘‘,+@columndata+,‘‘)‘‘ from +@tablename print --+@sql exec(@sql) if @ident is not null print SET IDENTITY_INSERT +@TableName+ OFF endGO

 

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