makes sense i think, but how would i specify it? On 29 Nov, 18:04, pharrington <[email protected]> wrote: > On Nov 29, 12:37 pm, RubyonRails_newbie <[email protected]> > wrote: > > > > > > > Hi there, I am working through a tutorial and I'm at the point of > > accepting or declining a friend request. > > > However, whenever I click accept of decline, I get the following > > error: > > > Mysql::Error: Column 'created_at' in order clause is ambiguous: SELECT > > `users`.id FROM `users` INNER JOIN `friendships` ON `users`.id = > > `friendships`.friend_id WHERE (`users`.`id` = 115) AND > > ((`friendships`.user_id = 114) AND ((status = 'requested'))) ORDER BY > > created_at LIMIT 1 > > > I've looked through the controller for these 2 actions, but nothing > > stands out. > > > Please can anyone suggest how to fix this? > > > Many Thanks > > Either in your User has_many :friendships declaration or the User.find > that joins :friendships in the controller you have :order => > "created_at". The RDBMS can't know which table to use for created_at > column, as both have one. You need to specify that.
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