Review your join type. ________________________________________ From: ext Gavin Towey [gto...@ffn.com] Sent: 16 August 2010 19:36 To: Victor Subervi; mysql@lists.mysql.com Subject: RE: Join Problem
What do you mean by "not working?" What results do you get? -----Original Message----- From: Victor Subervi [mailto:victorsube...@gmail.com] Sent: Monday, August 16, 2010 6:59 AM To: mysql@lists.mysql.com Subject: Join Problem Hi; I have this code: select f.id from Flights f join Planes p where f.plane_id=p.id and p.in_service=1 mysql> describe Flights; +-------------+-------------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +-------------+-------------------+------+-----+---------+----------------+ | id | int(11) | NO | PRI | NULL | auto_increment | | plane_id | int(11) | NO | MUL | NULL | | | pilot_id | int(11) | NO | MUL | NULL | | | flight_date | date | NO | | NULL | | | departure | time | NO | | NULL | | | arrival | time | NO | | NULL | | | origination | enum('STT','STX') | YES | | NULL | | | destination | enum('STT','STX') | YES | | NULL | | | price | float(6,2) | NO | | NULL | | +-------------+-------------------+------+-----+---------+----------------+ mysql> describe Planes; +--------------+-------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +--------------+-------------+------+-----+---------+----------------+ | id | int(11) | NO | PRI | NULL | auto_increment | | name | varchar(20) | NO | | NULL | | | in_service | tinyint(1) | NO | | 1 | | | capacity | tinyint(2) | NO | | NULL | | | total_weight | int(6) | NO | | NULL | | +--------------+-------------+------+-----+---------+----------------+ My goal is to exclude results in which in_service !=1; however, the filter isn't working. Please advise. TIA, Victor This message contains confidential information and is intended only for the individual named. If you are not the named addressee, you are notified that reviewing, disseminating, disclosing, copying or distributing this e-mail is strictly prohibited. Please notify the sender immediately by e-mail if you have received this e-mail by mistake and delete this e-mail from your system. E-mail transmission cannot be guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any loss or damage caused by viruses or errors or omissions in the contents of this message, which arise as a result of e-mail transmission. [FriendFinder Networks, Inc., 220 Humbolt court, Sunnyvale, CA 94089, USA, FriendFinder.com -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql?unsub=andrew.2.mo...@nokia.com -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql?unsub=arch...@jab.org
