12 lines
		
	
	
	
		
			371 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
		
		
			
		
	
	
			12 lines
		
	
	
	
		
			371 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
|  | class OptimizeIndexSubscriptions < ActiveRecord::Migration[5.0] | ||
|  |   def up | ||
|  |     add_index :subscriptions, [:account_id, :callback_url], unique: true | ||
|  |     remove_index :subscriptions, [:callback_url, :account_id] | ||
|  |   end | ||
|  | 
 | ||
|  |   def down | ||
|  |     add_index :subscriptions, [:callback_url, :account_id], unique: true | ||
|  |     remove_index :subscriptions, [:account_id, :callback_url] | ||
|  |   end | ||
|  | end |