Displaying 1 result from an estimated 1 matches for "constant_name".
2013 Oct 25
6
Migrate postgresql database to uuid
Hi all,
I am using rails 3.1 and ruby 1.9.3,Now i want to use uuid concept in
rails 3 for existing data
so i did like :-
create_table :posts, :id => false do |t|
t.string :uuid, :limit => 36, :primary => true
end
ActiveRecord::Base.class_eval do
# old rails versions
set_primary_key ''uuid''
before_create :generate_uuid
def generate_uuid
self.id =