Oracle管道函数(Pipelined Table Function)实现的实例

create or replace type t_table is table of number;

create or replace function f_pipe(s number)
return t_table pipelined
as
    v_number number;   
begin    
for i in 1..s loop 
    v_number := i;
    pipe row(v_number);   
end loop;
return;
end f_pipe;

    ;

select * from table(f_pipe(5))

create or replace type obj_table as object
(
  id int,
  name varchar2(50)
)

create or replace function f_pipe(s number)
return t_table pipelined
as
    v_obj_table obj_table;   
begin    
for i in 1..s loop 
    v_obj_table :=  obj_table(i,to_char(i*i));
    pipe   row(v_obj_table);   
end loop;
return;
end f_pipe;

select * from table(f_pipe(5))