chinwagsocial/db/migrate/20200521180606_encrypted_message_ids_to_timestamp_ids.rb
2023-02-19 07:38:14 +09:00

13 lines
499 B
Ruby

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