14 lines
		
	
	
	
		
			396 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
		
		
			
		
	
	
			14 lines
		
	
	
	
		
			396 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
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								class MigrateWebPushSubscriptions < ActiveRecord::Migration[5.2]
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								  disable_ddl_transaction!
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								  def up
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								    add_index :web_push_subscriptions, :user_id, algorithm: :concurrently
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								    add_index :web_push_subscriptions, :access_token_id, algorithm: :concurrently
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								  end
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								  def down
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								    remove_index :web_push_subscriptions, :user_id
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								    remove_index :web_push_subscriptions, :access_token_id
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								  end
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								end
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