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テーブル設計

users テーブル

Column Type Options
name string null: false
email string null: false
password string null: false

Association

  • has_many :room_users
  • has_many :rooms, through: room_users
  • has_many :messages

rooms テーブル

Column Type Options
name string null: false

Association

  • has_many :room_users
  • has_many :users, through: room_users
  • has_many :messages

room_users テーブル

Column Type Options
user references null: false, foreign_key: true
room references null: false, foreign_key: true

Association

  • belongs_to :room
  • belongs_to :user

messages テーブル

Column Type Options
content string
user references null: false, foreign_key: true
room references null: false, foreign_key: true

Association

  • belongs_to :room
  • belongs_to :user

chat-app2's People

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