belongs-to

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Best way to specify a default record for a has_many relationship in rails

I have Accounts and AccountAddressess.An account can have many AccountAddressess and I would like to specify one as the \"default_account_address\", so in the Account table, I have a column named \"de[详细]

2023-02-22 18:51 分类：问答
Why does rails not respect the type of a belongs_to associated object with STI, when its superclass is abstract?

I\'ve come across this rather odd bit of behaviour in a rails application I\'m working on. I have multiple types of Post in an inheritance heirarchy, and a Post has_many FeedEntries.[详细]

2023-02-22 05:45 分类：问答
Grails GORM self-referential belongsTo deletes opposite direction from expected

I have a Grails domain class that is a hierarchy of categories.Each Category has a parent category (except for the root category which is null).[详细]

2023-02-20 17:24 分类：问答
Rspec - respond_to "user post" valid despite user is not valid (has_many/belongs_to association)

I don\'t understand something fairly basic with testing association (has_many / belongs_to ) with rspec.[详细]

2023-02-18 01:24 分类：问答
Help with rails belongs_to

I\'m stuck - I\'m building an accounting app in rails, and have a model where a customer will have multiple invoices as well as multiple payments (related to those invoices)[详细]

2023-02-17 00:52 分类：问答
Rails 3.0.5 belongs_to association not updating primary key in declaring class

I am trying to do a basic belongs_to/has_many association but running into a problem. It seems that the declaring class\'s foreign key column is not being updated. Here are my models:[详细]

2023-02-16 09:53 分类：问答
belongs_to with default fallback

Currently, My Rails (3) app creates objects before their relation is known (I store the Comment, then ask the user to log-in/sign-in to validate that comment, after which the Comment gets a User assig[详细]

2023-02-15 19:34 分类：问答
Rails 3: Order a query that uses a has_many and belongs_to association in one query

In my Rails db 开发者_如何学JAVAscheme there is the following structure: tasks has many jobs jobs belongs to one category[详细]

2023-02-14 14:18 分类：问答
Conditional belongs_to: only comments for post with published flag set TRUE

I\'d like to grab only certain comments for a post: those that have a published boolean set TRUE. Right now, I simply call a @post.comments.all on the Post show action.[详细]

2023-02-12 03:03 分类：问答
HABTM and belongsTo at the same join, cakePhp

I have a model Fix with a relationship HABTM Device model. Device model has a belongsTo to Device_type model, like this, for only getting the device type name:[详细]

2023-02-11 12:45 分类：问答