retrospring/db/migrate/20141130130221_create_relationships.rb
2023-10-21 13:01:07 +02:00

16 lines
383 B
Ruby

# frozen_string_literal: true
class CreateRelationships < ActiveRecord::Migration[4.2]
def change
create_table :relationships do |t|
t.integer :source_id
t.integer :target_id
t.timestamps
end
add_index :relationships, :source_id
add_index :relationships, :target_id
add_index :relationships, %i[source_id target_id], unique: true
end
end