discourse/db/migrate/20120809174649_create_post_actions.rb
2017-08-08 00:48:57 +09:00

22 lines
569 B
Ruby

class CreatePostActions < ActiveRecord::Migration
def up
create_table :post_actions do |t|
t.integer :post_id, null: false
t.integer :user_id, null: false
t.integer :post_action_type_id, null: false
t.datetime :deleted_at
t.timestamps null: false
end
add_index :post_actions, ["post_id"]
# no support for this till rails 4
execute 'create unique index idx_unique_actions on
post_actions(user_id, post_action_type_id, post_id) where deleted_at is null'
end
def down
drop_table :post_actions
end
end