text: 
  exports.up = function(knex, Promise) {
  	return Promise.all([
  		knex.schema.table('user_rift_runs', function (table) {
  			table.integer('current_upgrade_reroll_count');
  			table.integer('total_reroll_count');
  		})
  	])
  };
  
  exports.down = function(knex, Promise) {
  	return Promise.all([
  		knex.schema.table('user_rift_runs', function (table) {
  			table.dropColumn('current_upgrade_reroll_count');
  			table.dropColumn('total_reroll_count');
  		})
  	])
  };
  