Help in the sysntax of PLSQL IF Then Elsif

Question

Hi,
Please help me with the syntax of the following:
SELECT
parts,
weeks,
SUM(qty) qty
FROM (
SELECT
(if (is_tbd = 'yes' AND is_tbd_order = 'no') OR ex_fac_date > v_asofdate + 131 Then 'tbd';
elsif ex_fac_date BETWEEN v_asofdate - 1 AND v_asofdate + 5 AND is_tbd = 'no' THEN 'wk1';
elsif ex_fac_date BETWEEN v_asofdate + 6 AND v_asofdate + 12 AND is_tbd = 'no' THEN 'wk2';
elsif ex_fac_date BETWEEN v_asofdate + 13 AND v_asofdate + 19 AND is_tbd = 'no' THEN 'wk3';
elsif ex_fac_date BETWEEN v_asofdate + 20 AND v_asofdate + 26 AND is_tbd = 'no' THEN 'wk4';
elsif ex_fac_date BETWEEN v_asofdate + 27 AND v_asofdate + 33 AND is_tbd = 'no' THEN 'wk5';
elsif ex_fac_date BETWEEN v_asofdate + 34 AND v_asofdate + 40 AND is_tbd = 'no' THEN 'wk6';
elsif ex_fac_date BETWEEN v_asofdate + 41 AND v_asofdate + 47 AND is_tbd = 'no' THEN 'wk7';
elsif ex_fac_date BETWEEN v_asofdate + 48 AND v_asofdate + 54 AND is_tbd = 'no' THEN 'wk8';
elsif ex_fac_date BETWEEN v_asofdate + 55 AND v_asofdate + 61 AND is_tbd = 'no' THEN 'wk9';
elsif ex_fac_date BETWEEN v_asofdate + 62 AND v_asofdate + 68 AND is_tbd = 'no' THEN 'wk10';
elsif ex_fac_date BETWEEN v_asofdate + 69 AND v_asofdate + 75 AND is_tbd = 'no' THEN 'wk11';
elsif ex_fac_date BETWEEN v_asofdate + 76 AND v_asofdate + 82 AND is_tbd = 'no' THEN 'wk12';
elsif ex_fac_date BETWEEN v_asofdate + 83 AND v_asofdate + 89 AND is_tbd = 'no' THEN 'wk13';
elsif ex_fac_date BETWEEN v_asofdate + 90 AND v_asofdate + 96 AND is_tbd = 'no' THEN 'wk14';
elsif ex_fac_date BETWEEN v_asofdate + 97 AND v_asofdate + 103 AND is_tbd = 'no' THEN 'wk15';
elsif ex_fac_date BETWEEN v_asofdate + 104 AND v_asofdate + 110 AND is_tbd = 'no' THEN 'wk16';
elsif ex_fac_date BETWEEN v_asofdate + 111 AND v_asofdate + 117 AND is_tbd = 'no' THEN 'wk17';
elsif ex_fac_date BETWEEN v_asofdate + 118 AND v_asofdate + 124 AND is_tbd = 'no' THEN 'wk18';
elsif ex_fac_date BETWEEN v_asofdate + 125 AND v_asofdate + 131 AND is_tbd = 'no' THEN 'wk19';
elsif (ex_fac_date < v_asofdate - 1) AND is_tbd = 'no' THEN 'past_due';
end if;)
Thanks in advance.
Edited by: user12994685 on Mar 18, 2011 5:05 PM
Edited by: user12994685 on Mar 21, 2011 9:21 AM

Answer 1

Hi,
After looking at your code definitely I am going to forget things... :(
Pls refer to Oracle documentation
http://psoug.org/reference/control_struct.html -- demo for control structures
- Pavan Kumar N
Edited by: Pavan Kumar on Mar 18, 2011 2:14 PM