belongs-to Questions
6
From the Grails belongsTo documentation, what is the use of
class Book {
static belongsTo = Author
}
What is the impact of cascading operations on Book, when CRUD operations performed on Auth...
Bystander asked 6/2, 2014 at 3:7
4
Hi following are my relations
User Model
public function loginlogout()
{
$this->HasMany("App\Models\LoginLogoutLogs");
}
and this is my LoginLogoutLogs Model
public function users()
{...
Corkscrew asked 30/10, 2017 at 8:29
2
Solved
Let's say I have the following model:
class Movie extends Eloquent
{
public function director()
{
return $this->belongsTo('Director');
}
}
Now I'd like fetch movies using a where conditio...
Emersion asked 31/5, 2014 at 13:47
8
Solved
I have been (hours) trouble with associations in Rails. I found a lot of similar problems, but I couldn't apply for my case:
City's class:
class City < ApplicationRecord
has_many :users
end
...
Fielding asked 16/8, 2016 at 20:13
4
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 "d...
Circassia asked 6/4, 2011 at 18:37
3
Solved
I know how to work has_many :posts, dependent: :destroy. If User or something that has_many posts is destroyed, all belonging posts are also destroyed.
But what happens when Post model belongs_to ...
Issuance asked 6/1, 2016 at 2:41
4
I have been getting all kinds of conflicting information regarding this basic question, and the answer is pretty crucial to my current problems. So, very simply, in Rails 3, is it allowed or not al...
Charley asked 9/9, 2011 at 18:25
3
Hey I have a model foo that has_one :bar. And bar belongs_to :foo. I was wondering if there is a way to augment the has_one such that no two bars can belong to the same foo. I looked at the documen...
Fornax asked 7/6, 2011 at 16:48
2
Solved
I have a model Product which has a belongs_to association with another model Type. In the product's form, I'm using formtastic to display a select tag with all the types available in the database, ...
Knob asked 9/6, 2013 at 23:12
4
We are using active_admin for our administration backend.
We have a model "App" that :belongs_to model "Publisher":
class App < ActiveRecord::Base
belongs_to :publisher
end
class Publisher ...
Salas asked 25/8, 2011 at 22:43
1
Solved
The following models are linked via belongs_to:
require 'mongoid'
class Sensor
include Mongoid::Document
field :sensor_id, type: String
validates_uniqueness_of :sensor_id
end
...
require 'm...
Bedder asked 22/6, 2015 at 14:54
2
Solved
I'm very new to Rails so this may be an obvious problem, and if so I apologize.
I am trying to create a form for creating a User record, which has a belongs_to association with a Team model. What ...
Facsimile asked 29/8, 2015 at 23:58
2
Solved
I am using cakePHP version 3.x.
When i query the MessagesTable i want to get the Users data for the the sender and the receiver of the message. I have done this many times in cakePHP 2 but i cant ...
Diaconate asked 19/6, 2015 at 1:2
2
Solved
I've been looking over relationships in Laravel 4 in the documentation and I'm trying to work out the following.
I have a table in my database called 'events'. This table has various fields that m...
Melisenda asked 25/4, 2013 at 9:4
2
For example, in
class Student < ActiveRecord::Base
has_many :awards
end
class Awards < ActiveRecord::Base
belongs_to :student
end
the above should be the correct usage, but what if we u...
Demur asked 15/9, 2010 at 2:45
3
Solved
In rails 3, i know that i can force deletion of dependent objects on belongs_to and has_many relations using the :dependent => :delete option. However i was wondering,
what is the default behavio...
Crumhorn asked 26/6, 2011 at 17:28
2
What is the ember-cli best practice to deleteRecord() on a model that belongsTo multiple models? Do I have to manually clean up relationships on the parents?
Migrating from ember to ember-cli I am...
Gallous asked 9/7, 2014 at 3:24
1
I am writing a Ruby on Rails application that has two models - User and Farm. A User is considered a farmer if their farmer field is set to true. However, there is no seperate class for farmers.
...
Avie asked 13/11, 2012 at 21:43
2
Simple question by a cakephp noob:
i have two models, Player and Team.
Team has an id (int) and a cool_name (varchar).
Player has an id (int), a cool_name (varchar) and a reference for the team ...
Spurge asked 30/8, 2009 at 11:32
3
Solved
I want to have a Status model which will be relatively static after some user-defined set up (and different users may have different values on status).
The status can apply to different models, su...
Bethel asked 9/7, 2010 at 23:5
1
Solved
I've been struggling to understand how to use hasMany and belongsTo for quite sometime. My understanding is hasMany is a 1:many relationship and belongsTo is a many:1 relationship--aside: so does t...
Odoric asked 24/10, 2013 at 17:26
1
Solved
I have two models, Complaint and Company. Complaint belongs_to and accepts_nested_attributes for Company, and Company has_many Complaints.
# Models
class Complaint < ActiveRecord::Base
attr_a...
Unbounded asked 18/3, 2013 at 6:46
1
Solved
I am studying Belongs_to association, I have used following models, in that every order belongs to the customer, so I have used belongs_to in order model it giving error while creating order
und...
Lacewing asked 21/9, 2013 at 14:51
1
I have three models Game > Team > Players and I want to be able to submit the following to add a game along with multiple teams and players on those teams.
{"game"=>{"name"=>"championship", ...
Stopoff asked 19/8, 2013 at 9:5
2
Solved
My code:
class User < ActiveRecord::Base
belongs_to :university
end
class University < ActiveRecord::Base
has_many :users, dependent: :destroy
end
and my model User has a university_id ...
Itchy asked 4/6, 2012 at 4:36
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