11 lines
		
	
	
		
			382 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			11 lines
		
	
	
		
			382 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
# frozen_string_literal: true
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class MoreFasterIndexOnNotifications < ActiveRecord::Migration[5.2]
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  disable_ddl_transaction!
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  def change
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    add_index :notifications, [:account_id, :id], order: { id: :desc }, algorithm: :concurrently
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    remove_index :notifications, [:id, :account_id, :activity_type], name: :index_notifications_on_id_and_account_id_and_activity_type
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  end
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end
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