I have a problem in creating a table with a column that has two foreign Key relationships. Let me explain in detail.
I\'m developing an e-store app using ruby on rails and I\'m a bit confused about the model associations. It would help me if someone could give开发者_开发技巧 me an idea about the tables and their ass
I could not create index with thinking_sphinx for the simple polymorphic schema below. (Note: I am able to create index from has_many models but I want to create my indexes from \'belongs_to\' model (
I have a Photo model that can belong to two other models and this is captured through a polymorphic association:
I\'m building a site similar to Yelp (Recommendation Engine, on a smaller scale though), so there will be three main entities in the system: User, Place (includes businesses), and Event.
I have a two-way polymorphic association. I have Assignments and Resources and they each can have one of a wikipage, weblink, or file.
I have tons of instances where I need to implement some sort of Polymorphic Associa开发者_JAVA百科tion in my database. I always waste tons of time thinking through all the options all over again. Here
Two models: Review and User. Review has three relevant fields: user_id, reviewable_type, and reviewable_id. So, the associations look something like this:
I have this fixture: resource: name: my resource owner: user_1 (User) Resource is defined like this: class Resource < ActiveRecord::Base
How would a Polymorphic Association (here: Comments) be itself associated with开发者_如何学Go different types of Authors?
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