454 B
454 B
MY_INSTR
Codice Sorgente
function my_instr( p_value varchar2,
p_delim varchar2 )
return number
as
i number;
l_length number;
begin
if p_value is null then
return null;
end if;
i := 1;
l_length := length(p_value);
for i in 1..l_length
loop
if substr(p_value, i, length(p_delim)) = p_delim then
return i;
end if;
end loop;
return 0;
end;