I\'m using a polymorphic association in SQLAlchemy as described in this example.It can also be found in the examples directory in the SQLAlchemy source code.
I have the follow model setup: class Favorite < ActiveRecord::Base belongs_to :favoritable, :polymorphic => true
I expected the following to work: class Attachment < ActiveRecord::Base belongs_to :attachable, :polymorphic => tr开发者_JAVA百科ue, :touch => true
I would like to make a new, mapped entity that looks like this: public class PathedItem { public long Id { get; set; }// from the Items table
class Chair < ActiveRecord::Base has_many :buildings, :as => :faculty end class Department < ActiveRecord::Base
I\'m defining a completely new database. I have now faced a problem which I would describe as \"usual\" but still could not find good
I am using Doctrine PHP ORM 2.0. What I would like to implement, is the following class hierarchy. (Please note that the following code fragment will fail to execute, as it is neither syntactically c
Given the following Entities: Container User Client Institution The Container entity has an association to one or more parties through the property AssignedToParties.
I have the following classes: class Region < ActiveRecord::Base has_many :geographical_relations, :as => :contained
I\'ve been banging my head against a wall trying to wrap my head around this, so any guidance would be much appreciated...