317: BEGIN
318:
319: SELECT instr(p_ponum, '-', -1)
320: INTO position 321: FROM dual; 322:
323: if position = 0 then
324: return p_ponum;
325: end if;
Line 339: from dual;
335: rel_num varchar2(500);
336: BEGIN
337:
338: select instr(p_ponum, '-', -1) into position 339: from dual; 340:
341: if position = 0 then
342: return null;
343: end if;