text: exports.up = function(knex) {
      return knex.schema.table('products', (t) => {
          t.string('price_id_2').notNull().defaultTo('');
          t.float('price_2').notNull().defaultTo(0);
          });
      };
  
  exports.down = function(knex) {
      return knex.schema.table('products', (t) => {
          t.dropColumn('price_id_2');
          t.dropColumn('price2');
          });
      };
  