>In the last episode (Jul 07), Marcel Grandemange said: > I hope someone can assist me. I have a freeradius server running off > mysql. Now I would like to use triggers to negate some of the traffic > logged within it. I tried to use following as trigger.. > > Create Trigger ftp > BEFORE UPDATE ON radacct > FOR EACH ROW > BEGIN > UPDATE radacct SET NEW.AcctInputOctets=(0 - NEW.AcctInputOctets) WHERE NASPortId=21; > UPDATE radacct SET NEW.AcctOutputOctets=(0 - NEW.AcctOutputOctets) WHERE NASPortId=21; > END; > > And Many variants of that but only ends up locking the db in someway with > messages such as. > > Tue Jul 7 23:34:12 2009 : Error: rlm_sql_mysql: Cannot store result > Tue Jul 7 23:34:12 2009 : Error: rlm_sql_mysql: MySQL error 'Can't update table >>'radacct' in stored function/trigger because it is already used by statement which >>invoked this stored function/trigger.'
>>You don't want to UPDATE the table, since as you have seen it will cause an >>error. The only row you can change in the table being modified in a trigger >>is the active row itself, and you must change its values by SETting >>NEW.fieldname: >>IF NEW.NASPortID = 21 THEN >> SET NEW.AcctInputOctets=(0 - NEW.AcctInputOctets); >> SET NEW.AcctOutputOctets=(0 - NEW.AcctOutputOctets): >>END IF; >>-- >> Dan Nelson >> dnel...@allantgroup.com Thank you so much, this worked 100%! __________ Information from ESET NOD32 Antivirus, version of virus signature database 4223 (20090708) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql?unsub=arch...@jab.org
