text: 
  exports.up = function(knex, Promise) {
    return knex.schema.createTable('game_users', function (table) {
          table.increments('id').primary();
          table.boolean('win').notNull();
          table.integer('user_id').notNull();
          table.integer('game_id').notNull();
  
          table.foreign('user_id').references('id').inTable('users').onDelete('CASCADE');
          table.foreign('game_id').references('id').inTable('games').onDelete('CASCADE');
        });
  };
  
  exports.down = function(knex, Promise) {
      return knex.schema.dropTable('game_users');
  };
  