credit_1: id: 1 creditable_id: 2 creditable_type: Training plan_id: 1 hours: created_at: 2001-01-01 14:11:33.852721000 Z updated_at: 2001-01-01 14:11:33.852721000 Z credit_2: id: 2 creditable_id: 3 creditable_type: Training plan_id: 1 hours: created_at: 2016-04-04 15:19:28.449511000 Z updated_at: 2016-04-04 15:19:28.449511000 Z credit_3: id: 3 creditable_id: 1 creditable_type: Training plan_id: 1 hours: created_at: 2016-04-04 15:19:28.495141000 Z updated_at: 2016-04-04 15:19:28.495141000 Z credit_5: id: 5 creditable_id: 2 creditable_type: Training plan_id: 2 hours: created_at: 2016-04-04 15:19:39.416054000 Z updated_at: 2016-04-04 15:19:39.416054000 Z credit_7: id: 7 creditable_id: 4 creditable_type: Training plan_id: 2 hours: created_at: 2016-04-04 15:19:39.486949000 Z updated_at: 2016-04-04 15:19:39.486949000 Z credit_8: id: 8 creditable_id: 1 creditable_type: Training plan_id: 2 hours: created_at: 2016-04-04 15:19:39.521993000 Z updated_at: 2016-04-04 15:19:39.521993000 Z credit_9: id: 9 creditable_id: 3 creditable_type: Training plan_id: 2 hours: created_at: 2016-04-04 15:19:39.553519000 Z updated_at: 2016-04-04 15:19:39.553519000 Z credit_10: id: 10 creditable_id: 2 creditable_type: Training plan_id: 3 hours: created_at: 2016-04-04 15:21:35.437032000 Z updated_at: 2016-04-04 15:21:35.437032000 Z credit_11: id: 11 creditable_id: 1 creditable_type: Training plan_id: 3 hours: created_at: 2016-04-04 15:21:35.470423000 Z updated_at: 2016-04-04 15:21:35.470423000 Z credit_12: id: 12 creditable_id: 3 creditable_type: Training plan_id: 3 hours: created_at: 2016-04-04 15:21:35.547043000 Z updated_at: 2016-04-04 15:21:35.547043000 Z credit_13: id: 13 creditable_id: 4 creditable_type: Machine plan_id: 2 hours: 1 created_at: 2016-04-04 15:21:57.547939000 Z updated_at: 2016-04-04 15:21:57.547939000 Z credit_14: id: 14 creditable_id: 6 creditable_type: Machine plan_id: 3 hours: 1 created_at: 2016-04-04 15:21:57.547939000 Z updated_at: 2016-04-04 15:21:57.547939000 Z credit_15: id: 15 creditable_id: 4 creditable_type: Machine plan_id: 1 hours: 1 created_at: 2001-01-01 14:11:33.852721000 Z updated_at: 2001-01-01 14:11:33.852721000 Z