On Viernes, 30 de Septiembre de 2011 16:42:26 Ryan Moats escribió: > Final update... once I looked at the associations in Fief again it > dawned on me that the ones I was tripping over are incomplete > specifications and confuse AS because it can't find the other end. > > Correct specification for the four associations are: > > has_many :lent_forces, :class_name => "LentForce", :foreign_key => > "sourceFief_id", :inverse_of => :lending_fief > has_many :borrowed_forces, :class_name => "LentForce", :foreign_key > => "holderFief_id", :inverse_of => :lessee_fief > has_many :prisoners, :class_name => "Prisoner", :foreign_key => > "sourceFief_id", :inverse_of => :owning_fief > has_many :held_prisoners, :class_name => "Prisoner", :foreign_key => > "holderFief_id", :inverse_of => :holding_fief > > and then creating a World works. > > So, bottom line is that I'd like to see the error message in this case > be a bit more useful - I spent a day on a wild goose chase based on > what the error said instead of the 30 minutes that it took once I got > on the right track. > However, looking at the code that raises this error, it's not obvious > to me how to make the statement more descriptive... > > Ryan > > On Sep 30, 8:55 am, Ryan Moats <[email protected]> wrote: > > An update on this topic. After chasing down the inflection rathole > > for most of yesterday, I pulled back out and went back to simple A/B > > testing of Fief. It turns out that the error message is rather > > misleading (and I guess you can count this as a "grump") as the > > problem is not the association between World and Fief as is reported, > > but the issue is between Fief and a pair of classes that each have a > > pair of foreign keys back to the Fief table. > > > > What I'm bumping against is the following definitions in Fief: > > > > has_many :lent_forces, :inverse_of => :lending_fief > > # has_many :borrowed_forces, :inverse_of => :lessee_fief > > has_many :prisoners, :inverse_of => :owning_fief > > # has_many :held_prisoners, :inverse_of => :holding_fief > > > > the first two "has many" declarations match up with the following > > lines in LentForces: > > > > belongs_to :lending_fief, :foreign_key => > > "sourceFief_id", :class_name => "Fief" > > belongs_to :lessee_fief, :foreign_key => > > "holderFief_id", :class_name => "Fief" > > > > while the second two match up with the following lines from Prisoner: > > > > belongs_to :owning_fief, :foreign_key => > > "sourceFief_id", :class_name => "Fief" > > belongs_to :holding_fief, :foreign_key => > > "holderFief_id", :class_name => "Fief" > > > > With the lines from Fief shown commented above, I can add a new World > > via AS. If I uncomment either of them, then I trip the error. So, > > there is a problem, but it's not where it's reported. > > > > More as I chase this down... > > Ryan
Are you using rails 3.1? Can you check with last commit if error message is better now? -- Sergio Cambra .:: entreCables S.L. ::. Mariana Pineda 23, 50.018 Zaragoza T) 902 021 404 F) 976 52 98 07 E) [email protected] -- You received this message because you are subscribed to the Google Groups "ActiveScaffold : Ruby on Rails plugin" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/activescaffold?hl=en.
