Hi , below can work? select config_id, start_day as day, start_time, end_time from config union select config_id, end_day as day, start_time, end_time from config
Best Regards, Hui Xie ------------------------------------------- Axisoft Co. Ltd. Zhuhai Branch Tel: (86) 0756-3612121 8858 novice <[EMAIL PROTECTED]> Sent by: [EMAIL PROTECTED] 15/08/2008 08:32 AM To pgsql-general@postgresql.org cc Subject [GENERAL] Query help Hi, I have a table select id, config_id, start_day, end_day, start_time, end_time from config; id | config_id | start_day | end_day | start_time | end_time -----+-----------+-----------+---------+------------+---------- 1 | 101 | Mon | Sun | 08:30:00 | 18:00:00 2 | 101 | Mon | Sun | 18:00:00 | 22:00:00 3 | 555 | Mon | Fri | 08:30:00 | 16:00:00 I'd like to write a query to generate the following... is it possible at all? config_id | day | start_time | end_time -----------+-----------+---------+------------- 101 | Mon | 08:30:00 | 18:00:00 101 | Mon | 18:00:00 | 22:00:00 101 | Tue | 08:30:00 | 18:00:00 101 | Tue | 18:00:00 | 22:00:00 101 | Wed | 08:30:00 | 18:00:00 101 | Wed | 18:00:00 | 22:00:00 101 | Thu | 08:30:00 | 18:00:00 101 | Thu | 18:00:00 | 22:00:00 101 | Fri | 08:30:00 | 18:00:00 101 | Fri | 18:00:00 | 22:00:00 101 | Sat | 08:30:00 | 18:00:00 101 | Sat | 18:00:00 | 22:00:00 101 | Sun | 08:30:00 | 18:00:00 101 | Sun | 18:00:00 | 22:00:00 555 | Mon | 08:30:00 | 18:00:00 555 | Tue | 08:30:00 | 18:00:00 555 | Wed | 08:30:00 | 18:00:00 555 | Thu | 08:30:00 | 18:00:00 555 | Fri | 08:30:00 | 18:00:00 Thanks -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general *** The email has been scanned by AxiScan ***