text: 
  exports.seed = function (knex) {
    // Deletes ALL existing entries
    return knex('classes').truncate()
      .then(function () {
        // Inserts seed entries
        return knex('classes').insert([
          {
            id: 1, name: "Get Ripped 100", type: 'Pump Me Up', startTime: '4 PM', duration: '1 hr',
            intensityLevel: 'Easy', location: 'Seattle, Wa', attendees: '11', maxClassSize: '20', instructor_id: 1
          },
          {
            id: 2, name: "Get Ripped 200", type: 'Pump Me Up', startTime: '4 PM', duration: '1 hr',
            intensityLevel: 'Medium', location: 'Nashville, TN', attendees: '10', maxClassSize: '20', instructor_id: 2
          },
          {
            id: 3, name: "Get Ripped 404", type: 'Pump Me Up', startTime: '4 PM', duration: '1 hr',
            intensityLevel: 'Hard', location: 'Ann Arbor, MI', attendees: '12', maxClassSize: '20', instructor_id: 3
          },
        ]);
      });
  };
  