9 lines
		
	
	
		
			345 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			9 lines
		
	
	
		
			345 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
class DefaultExistingMutesToHidingNotifications < ActiveRecord::Migration[5.1]
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  def up
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    change_column_default :mutes, :hide_notifications, from: false, to: true
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    # Unfortunately if this is applied sometime after the one to add the table we lose some data, so this is irreversible.
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    Mute.update_all(hide_notifications: true)
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  end
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end
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