text: const table = 'user_oauth'
  
  exports.up = async (knex) => {
    await knex.schema.table(table, function (t) {
      t.string('refresh_token').nullable().alter()
      t.text('scope')
      t.timestamp('expires')
    })
  }
  
  exports.down = async (knex) => {
    await knex.schema.table(table, function (t) {
      t.string('refresh_token').notNullable().alter()
      t.dropColumn('scope')
      t.dropColumn('expires')
    })
  }
  