自动生成数据同步存储过程的存储过程

 --开始
 --create proc exec_copy
 --as 
 --begin
 --因为同步的表是内网表，基本不做业务逻辑处理，所以所有的表都没有标示列，故我也就没做标示列的处理
 set nocount on
    declare @tab_count int --存放用户表的数量
    declare @col_count int --存放某个表中列的数量
    declare @str_sql varchar(max)--存放动态生成的T-SQL语句
    set @tab_count=(select count(object_id) from sys.objects where type_desc=‘USER_TABLE‘)--查询当前数据库中用户表的数量
    --print @tab_count
    declare @jishu_tab int
    set @jishu_tab=1
    declare @object_id int--存放某个表的object_id
    while (@jishu_tab<=@tab_count)--循环数据库中的所有用户表
    begin
        set @object_id=(select top 1 object_id from sys.objects where type_desc=‘USER_TABLE‘ and name=‘表名‘)--根据指定表名，如果要同步一个数据库
　　　　　　--可以注释掉name=‘‘把下面的取消注释
        --object_id not in(select top(@jishu_tab-1) object_id from sys.objects where type_desc=‘USER_TABLE‘))--查询第@jishu个表的object_id
        declare @tab_name varchar(50);    
        set @tab_name=(select name from sys.objects where object_id=@object_id)--根据查询出的object_id查询表名
        declare @schema varchar(50)--存放表架构
        set @schema=(select b.name from sys.objects a 
                    left join sys.schemas b on 
                    a.schema_id=b.schema_id
                    where a.name=@tab_name)--根据表明查询表的架构
        set @str_sql=‘create proc ‘+@tab_name+‘_pro as begin /*set identity_insert  dataName.‘+@tab_name+‘ on*/ delete dataName.‘+@tab_name+‘ where ‘
        declare @pk_col varchar(50)--存放主键列名
        --创建一个游标
        declare cur_my cursor scroll for select d.name from sys.objects as a
 left join sys.indexes as b on a.object_id=b.object_id and b.is_primary_key=1
 left join sys.sysindexkeys as c on b.index_id=c.indid and c.id=a.object_id
 left join sys.syscolumns as d on c.colid=d.colid and d.id=a.object_id
 where a.name=@tab_name
        open cur_my--打开游标
        fetch first from cur_my into @pk_col
        --print @str_sql
        set @str_sql=@str_sql+@pk_col+‘ in(select ‘+@pk_col+‘ from ‘+@schema+‘.‘+@tab_name+‘)‘
        while(@@fetch_status=0)
        begin
            fetch next from cur_my into @pk_col
            if(@@fetch_status=0)
            begin
                set @str_sql=@str_sql+‘ and ‘+@pk_col+‘ in(select ‘+@pk_col+‘ from ‘+@schema+‘.‘+@tab_name+‘)‘
            end    
        end    
        --print @str_sql
        close cur_my--关闭游标
        deallocate cur_my--删除创建的游标
        set @col_count=(select count(name) from sys.syscolumns where id=@object_id)
        declare @jishu_col int
        set @jishu_col=1
        declare @all_name varchar(max)
        while(@jishu_col<=@col_count)
         begin
         declare @col_name varchar(50)--存放查询出的列名
         set @col_name=(select top 1 name from sys.syscolumns where id=@object_id and name not in ( select top (@jishu_col-1) name from sys.syscolumns where id=@object_id))
            if(@jishu_col=1)
                begin
                    --set @str_sql=@str_sql+@col_name+‘ in(select ‘+@col_name+‘ from ‘+@tab_name+‘)‘        
                    set @all_name=@col_name+‘,‘
                    set @str_sql=@str_sql+‘ insert into dataName.‘+@tab_name+‘(cols)‘+‘ select cols from ‘+@schema+‘.‘+@tab_name
                end
                
                if(@jishu_col=@col_count)
                begin 
                    set @all_name=@all_name+@col_name
                end
                else
                    if(@jishu_col!=1)
                      set @all_name=@all_name+@col_name+‘,‘
            set @jishu_col=@jishu_col+1    --自增
         end
        
        set @str_sql=@str_sql+‘/* set identity_insert dataName.‘+@tab_name+‘ off*/ end‘
        set @str_sql=replace(@str_sql,‘cols‘,@all_name)
        set @str_sql=replace(@str_sql,‘dataName‘,‘shenpan_text.‘+@schema)
        print @str_sql
        set @jishu_tab=@jishu_tab+1--自增
        break
    end
    set nocount off
 --end
 --结束