oracle split

create or replace function split
(
    p_list varchar2,
    p_del varchar2 := '.'
)
return
    split_tbl
    pipelined
is
    l_idx     pls_integer;
    l_list    varchar2(32767) := p_list;
    l_value   varchar2(32767);
begin
    loop
        l_idx := instr(l_list,p_del);
        if l_idx > 0 then
            pipe row(substr(l_list,1,l_idx-1));
            l_list := substr(l_list,l_idx+length(p_del));
        else
            pipe row(l_list);
            exit;
        end if;
    end loop;
    return;
end split;

 

参考：http://blog.youkuaiyun.com/xys_777/article/details/6959451