Questions tagged [has-one]
385 questions
0
votes
1 answer
linking to table and returning value
i am trying to query a table and return a value if the conditions are met.
schedule model
class Schedule < ActiveRecord::Base
belongs_to :result
attr_accessible :result_id
end
results model
class Result < ActiveRecord::Base
has_one…
Boss Nass
- 3,384
- 9
- 48
- 90
0
votes
2 answers
Grails hasOne and hasMany same domain
I have domain like this:
class Team {
hasOne [leader: Person]
hasMany [member: Person]
}
class Person {
belongsTo [team: Team]
}
But when the tables are generated, there is not a column like leader_id in the team table. And thus the leader…
Shaoxuan
- 33
- 4
0
votes
1 answer
Saving result of has_one association to avoid fetching DB in Rails?
I have a has_one association between User model and Player model. I see myself doing current_user.player so many times in controllers and views, and I feel like I am hitting the DB way too much every time I do that. Also it would be nice to have a…
Hommer Smith
- 26,772
- 56
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- 296
0
votes
4 answers
Rails Active Record Associations
I've been reading and re-reading the Rails associations guide:
http://guides.rubyonrails.org/association_basics.html
This were close but not quite the same:
Ruby on rails active record associations
I'm not sure how to setup the following…
Zhao Li
- 4,936
- 8
- 33
- 51
0
votes
1 answer
Activerecord relation creation via has_one
I Rails if you have a model Walrus that has_many :bubbles (and Bubble belongs_to :walrus, you can create a new Bubble that is associated with the Walrus like so:
chuckles = Walrus.create
chuckles.bubbles.create
But what if Walrus has_one :bubble?…
Chris
- 11,819
- 19
- 91
- 145
0
votes
1 answer
has_one with :class_name, and belongs_to relation not setting attributes correctly in rails 3.2.3
I'm trying to make a form to set values to two children objects through has_one (with :class_name option) and belongs_to relation. However, when I input and submit values through the form, both children objects have the same value even if I input…
Ryo
- 2,003
- 4
- 27
- 42
0
votes
1 answer
Model to belong to several attribute in another model
This might be a silly question but I'm slightly confuse here :
I have a user model, which has 2 attributes : hair and eyes, that can have a color value.
Instead of referencing the color as a string twice in the hair and eye column of the user…
cl3m
- 2,791
- 19
- 21
-1
votes
2 answers
Edit data b/w two models in cakephp
I have two models, one is Login and the other is Userdetail. I saved data from model Login in both models using the hasone relationship.
Please let me know how it would be possible to edit them.
I used the following code for save in my add.ctp…
Mehak
- 11
- 4
-1
votes
2 answers
CakePHP: hasOne relationship returns null for fields
I have 2 models, Venue and Contact, where 1 venue has 1 contact, but 1 contact can be responsible for many venues. In my tables, venue.contactid references the column contact.id
My models look like this:
class Contact extends AppModel {
public…
Jonno_FTW
- 8,601
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- 90
-2
votes
1 answer
Rails has_one belongs_to display field in index?
I have two models : season and category. I want to display the category name in the season index view.
class Season < ActiveRecord::Base
attr_accessible :nb_down, :nb_up, :name, :category_id
has_one :category
accepts_nested_attributes_for…
John
- 198
- 2
- 10