create or replace function ht_gettopdeptid(deptid in varchar)
return varchar2 is
r varchar2(1024);
c int;
m varchar2(20);
r_f varchar2(1024); begin
select a.tree_level_num, a.parent_node_name,a.tree_node
into c, r,m
from pstreenode a
where a.tree_name = 'DEPT_SECURITY'
and a.tree_node = deptid and A.EFFDT =(SELECT MAX(A_ED.EFFDT) FROM pstreenode A_ED WHERE A.tree_node = A_ED.tree_node);
if c<3
then return null;
end if;
if
c= 3
then return m;
else
while(c<>3) loop
select a.tree_level_num, a.parent_node_name
into c, r
from pstreenode a
where a.tree_name = 'DEPT_SECURITY'
and a.tree_node = m and A.EFFDT =(SELECT MAX(A_ED.EFFDT) FROM pstreenode A_ED WHERE A.tree_node = A_ED.tree_node);
select a.tree_level_num, a.parent_node_name,a.parent_node_name
into c, r,m
from pstreenode a
where a.tree_name = 'DEPT_SECURITY'
and a.tree_node = m and A.EFFDT =(SELECT MAX(A_ED.EFFDT) FROM pstreenode A_ED WHERE A.tree_node = A_ED.tree_node);
if c = 4 then
return r;
end if;
end loop;
end if; end ht_gettopdeptid;
04-29 01:35