class CreateSubRelation
Public Instance Methods
change()
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# File lib/generators/subscribable/templates/sub_relation_migration.rb, line 2 def change create_table :sub_relations do |t| t.references :subscription, polymorphic: true t.references :subscriber, polymorphic: true t.timestamps end add_index :sub_relations, [:subscriber_id, :subscriber_type, :subscription_id, :subscription_type], unique: true, name: 'composite_subscribable_index' end