无详细内容 无 set @name='';set @num=0;select r.name, r.score, @num:=if(@name=r.name,@num+1,1) rn0, @name:=r.name namesfrom new_table_test rorder by 1,2 asc
set @name='';set @num=0;select r.name, r.score, @num:=if(@name=r.name,@num+1,1) rn0, @name:=r.name namesfrom new_table_test rorder by 1,2 asc