text: 
  exports.up = function(knex, Promise) {
    return knex.schema.createTable('filters', function (table) {
      table.increments();
      table.integer('owner');
      table.string('title');
      table.string('description');
      table.enum('type', ['regex', 'keyword']);
      table.string('pattern');
      table.timestamps();
    })
  };
  
  exports.down = function(knex, Promise) {
    return knex.schema.dropTable('filters')
  };
  