You can also do following with pg:
class FirstSetOfTables < ActiveRecord::Migration[5.1]
enable_extension 'pgcrypto' unless extensions.include?('pgcrypto')
create_table :tokens, id: :uuid do |t|
t.integer :action, null: false, default: 1
t.integer :status, null: false, default: 1
t.datetime :expires_at
t.datetime :confirmed_at
t.timestamps null: false
end
end
On Monday, July 10, 2017 at 9:56:56 AM UTC+5:30, johnpea...@gmail.com wrote:
>
> Hi, I was reading the docs for primary key
> <http://api.rubyonrails.org/classes/ActiveRecord/ConnectionAdapters/PostgreSQL/ColumnMethods.html#method-i-primary_key>
>
> on postgresql and I saw that there was a way to add a custom stored
> procedure that returns a UUID. There is a test case as well that uses a
> custom uuid generator
> https://github.com/rails/rails/blob/650ea5e5cf50d8a7242499463cf1762922d330a8/activerecord/test/cases/adapters/postgresql/uuid_test.rb#L193
>
> but I wasn't sure how to to implement this myself.
>
> Like in the test case where do I place 'my_uuid_generator()' and how to
> implement it in my rails application?
>
> Thanks.
>
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