Sadly, no dice: Cannot visit Proc
Extracted source (around line #12): .... 12: <%= f.association :redirect_to_page %> .... <%= f.association :redirect_to_page %> On May 14, 10:23 am, Jeremy Walker <jez.wal...@gmail.com> wrote: > On 14 May 2012 15:13, Tuckie <witu...@gmail.com> wrote: > > > Thanks for the quick response, but that gives me: undefined method > > `id' for #<Class:0x000000031017a8> > > > I was under the belief that the single quotes were needed as per: > > >https://groups.google.com/group/rubyonrails-talk/msg/d70a164a4156b70f... > > Ok, yeah. You are right. That's a very old thread and I suspect this many > have changed now. It was a very ugly workaround. > > You can now use a proc, so > :conditions => proc {['id != ?', id]} > > Does that work for you? > > > > > > > > > > > On May 14, 9:20 am, Jeremy Walker <jez.wal...@gmail.com> wrote: > > > On 14 May 2012 14:11, Tuckie <witu...@gmail.com> wrote: > > > > > I'm working on creating a model that allows redirect to another > > > > instance of the same type (Page). For obvious reasons, I don't want > > > > it to be able to redirect to itself. How can I get the model to > > > > properly filter this relationship? I'm currently getting the error: > > > > > Mysql2::Error: You have an error in your SQL syntax; check the manual > > > > that corresponds to your MySQL server version for the right syntax to > > > > use near '' at line 1: SELECT `pages`.* FROM `pages` WHERE (id != > > > > #{self.id}) > > > > > From what I've read, it should be replacing #{self.id} with the > > > > current instance. > > > > > class Page < ActiveRecord::Base > > > > has_ancestry > > > > belongs_to :footer, > > > > :foreign_key => 'footer_id', > > > > :class_name => 'ReusableText' > > > > belongs_to :redirect_to_page, > > > > :foreign_key => 'redirect_to_page_id', > > > > :class_name => 'Page', > > > > :conditions => 'id != #{self.id}' > > > > Use double quotes, not single quotes around "id != #{self.id}" > > > > You might be better doing the following instead to avoid SQL injection: > > > :conditions => ['id != ?', self.id] > > > > Jeremy Walker > > > > > ... > > > > > -- > > > > You received this message because you are subscribed to the Google > > Groups > > > > "Ruby on Rails: Talk" group. > > > > To post to this group, send email to rubyonrails-talk@googlegroups.com > > . > > > > To unsubscribe from this group, send email to > > > > rubyonrails-talk+unsubscr...@googlegroups.com. > > > > For more options, visit this group at > > > >http://groups.google.com/group/rubyonrails-talk?hl=en. > > > -- > > You received this message because you are subscribed to the Google Groups > > "Ruby on Rails: Talk" group. > > To post to this group, send email to rubyonrails-talk@googlegroups.com. > > To unsubscribe from this group, send email to > > rubyonrails-talk+unsubscr...@googlegroups.com. > > For more options, visit this group at > >http://groups.google.com/group/rubyonrails-talk?hl=en. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
