根据表名生成表结构 含 主键

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-- 根据表名生成表结构 含 主键
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declare @TableName varchar(255)
set @TableName = ‘bao_color‘ --‘company‘
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declare @str varchar(max)         
set @str = ‘‘         
select @str = @str + char(9) +‘,[‘ + cols.name + ‘] ‘       
+ type.name   
+ ( case when cols.xtype in (165,167,173,175,231,239)        
      then ‘(‘+ convert(varchar(10) , cols.prec) + ‘)‘          
      when cols.xtype in (106,108)         
   then ‘(‘+ convert(varchar(10) , cols.prec)+‘ , ‘ + convert(varchar(10) ,cols.scale)+ ‘)‘          
       else ‘‘ end )     
+ case when cols.isnullable = 1 then ‘‘ else ‘ not null ‘ end          
+ char(13) + char(10)          
from syscolumns cols        
inner join systypes type        
on cols.xtype = type.xtype and cols.xtype = type.xusertype         
where cols.id = (select id from sysobjects where name = @TableName)         
       
 Declare @objectid int , @pkstr varchar(max)
 Set @objectid=object_id(@TableName)
 set @pkstr = ‘‘
 Select   @pkstr = @pkstr +  col_name(@objectid,colid)  + ‘ ASC,‘
 From  sysobjects         as o
 Inner Join sysindexes    as i On i.name=o.name
 Inner Join sysindexkeys  as k On k.indid=i.indid
 Where  o.xtype = ‘PK‘ and parent_obj=@objectid and k.id=@objectid

set @pkstr = ISNULL(@pkstr ,‘‘)

set @pkstr = case when @pkstr = ‘‘ then ‘‘ else SUBSTRING(@pkstr,1, LEN(@pkstr)-1) end

         
set @str = ‘create table dbo.‘ + @TableName + ‘(‘+ char(13) + char(10) + char(9)
        +substring(@str,3,len(@str)-1) + char(13) + char(10)
        + case when @pkstr=‘‘ then ‘‘
        else  ‘    PRIMARY KEY CLUSTERED     ( ‘+ char(13) + char(10)
                 + char(9) ++ @pkstr + char(13) + char(10)
                 + char(9) ++ ‘)ON [PRIMARY]‘+ char(13) + char(10)
        end
        + ‘)‘         
       
print @str     



   

根据表名生成表结构 含 主键

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原文地址：http://www.cnblogs.com/jerron/p/4329136.html