Question

I have two migrations as below:

CreateGroups
  t.string :name
  t.string :groupkey

CreateEvents
  t.string :name
  t.string :groupkeyname
  t.integer :group_id

and their corresponding models:

group
  has_many :events

event
  belongs_to :group

from what I understand is that the t.integer :group_id column in the CreateEvents migration references the default id column in the CreateGroups migration. Now I create a group:

g = Group.create(:name => "skydive", :groupkey => "withwingsuit")

However, when I create an event like this:

Event.create(:name => "whatever", :group_id => 1)

and try to print g.events there is nothing it gives me: []

Why doesn’t it give the event i just created ?

Answer 1

you may need to refresh the association because it may be cached locally. After adding the new event try this.

g.events(true)

that will force Rails to retrieve items again from the DB.