exports.up = knex => {
  return knex.schema
    .table('pageHistory', table => {
      table.string('action').defaultTo('updated')
      table.dropForeign('pageId')
    })
}

exports.down = knex => {
  return knex.schema
    .table('pageHistory', table => {
      table.dropColumn('action')
      table.integer('pageId').unsigned().references('id').inTable('pages')
    })
}