René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"collection \u003c\u003c item returns incorrect collection.count","articleBody":"In `poly-assoc3` branch:\r\n\r\n```\r\nclass ExerciseType \u003c ApplicationRecord\r\n  has_many :exercise_types_user\r\n  has_many :users, through: :exercise_types_user\r\nend\r\n\r\nclass User \u003c ApplicationRecord\r\n  has_many :exercise_types_user\r\n  has_many :exercise_types, through: :exercise_types_user\r\nend\r\n\r\nclass ExerciseTypesUser \u003c ApplicationRecord\r\n  belongs_to :user\r\n  belongs_to :exercise_type\r\nend\r\n\r\n# works perfectly:\r\nuser.exercise_types \u003c\u003c exercise_type\r\n\r\n# but here is the bug..\r\nexercise_types.users.count\r\n# returns a number higher than count + 1\r\n# fine after a page refresh, so its just the client count which is not being updated correctly\r\n```","author":{"url":"https://github.com/barriehadfield","@type":"Person","name":"barriehadfield"},"datePublished":"2019-03-17T05:30:53.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/138/hyperstack/issues/138"}