search for: problems_tag

...name => tag) But if I have the tag already in the DB and just want to link it to another problem it does not really like me. I do it like this: self.tags << Tag.find_by_name(tag) I get the following error: Mysql::Error: Duplicate entry ''20'' for key 1: INSERT INTO problems_tags (`tag_id`, `problem_id`, `id`) VALUES (20, 33, 20) The problem is basically that it is trying to create a row in problem_tags with an ''id'' that already exists. How come it is trying to do that? How can I prevent it from doing that? Thanks for your help guys and gals! Jo...

...uot;, :datetime t.column "updated_at", :datetime end create_table "tags" do |t| t.column "name", :string t.column "created_at", :datetime t.column "updated_at", :datetime end create_table "problems_tags" do |t| t.column "problem_id", :integer t.column "tag_id", :integer end ==== Now, from the console I do the following: ==== problem = Problem.find(1) problem.tags.create :name => "test this tag" ==== The problem is that a row is added...

...ms.each do |problem| %> ... <%= problem.created_at %> ... <% end %> Now, how come the created_at is being taken from the HABTM relationship instead of the problem table itself? This does not make sense to me. How would I get created_at from Problem table instead of problems_tag table? Thanks for your help? John Kopanas http://www.kopanas.com ============================================================ http://www.soen.info - Index of online software engineering knowledge http://www.cusec.net - Canadian University Software Engineering Conference http://www.soenlive.c...

I have the following line in my controller: @tag = Tag.find_by_name @params[:id] Now, how do I order the rows based on the HABTM relationship problems_tags i.e. problems_tags.created_at DESC Thanks :-) John Kopanas http://www.kopanas.com ============================================================ http://www.soen.info - Index of online software engineering knowledge http://www.cusec.net - Canadian University Software Engineering Conference http...