14 lines
		
	
	
		
			499 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			14 lines
		
	
	
		
			499 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
class EncryptedMessageIdsToTimestampIds < ActiveRecord::Migration[5.2]
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  def up
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    safety_assured do
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      execute("ALTER TABLE encrypted_messages ALTER COLUMN id SET DEFAULT timestamp_id('encrypted_messages')")
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    end
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  end
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  def down
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    execute("LOCK encrypted_messages")
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    execute("SELECT setval('encrypted_messages_id_seq', (SELECT MAX(id) FROM encrypted_messages))")
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    execute("ALTER TABLE encrypted_messages ALTER COLUMN id SET DEFAULT nextval('encrypted_messages_id_seq')")
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  end
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end
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