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Database Schema
Yukichi Kawada edited this page Apr 6, 2018
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17 revisions
Stories | Data Type | Details |
---|---|---|
id | integer | not null, primary key |
title | string | not null |
body | text | not null |
author_id | integer | not null, foreign key (references users), indexed |
image_url | string | |
comments_count | integer | not null |
likes_count | integer | not null |
- author_id: User
belongs_to :author
has_many :likes, :comments, dependent: :destroy
Comments | Data Type | Details |
---|---|---|
id | integer | not null, primary key |
body | text | not null |
author_id | integer | not null, foreign key (references users), indexed |
story_id | integer | not null, foreign key (references users), indexed |
likes_count | integer | not null |
- author_id: User
- story_id: Story
belongs_to :author, :story
Users | Data Type | Details |
---|---|---|
id | integer | not null, primary key |
username | string | not null, indexed, unique |
string | not null, indexed, unique | |
password_digest | string | not null |
session_token | string | not null |
has_many :stories, :comments, :follows, :likes, dependent: :destroy
Follows | Data Type | Details |
---|---|---|
id | integer | not null, primary key |
follower_id | integer | not null, foreign key (references users), indexed |
followee_id | integer | not null, foreign key (references users), indexed |
- follower_id: User
- followee_id: User
belongs_to :follower, :followee
Likes | Data Type | Details |
---|---|---|
id | integer | not null, primary key |
user_id | integer | not null, foreign key (references users), indexed |
story_id | integer | not null, foreign key (references users), indexed |
- user_id: User
- story_id: Story
belongs_to :user, :story
Likes | Data Type | Details |
---|---|---|
id | integer | not null, primary key |
user_id | integer | not null, foreign key (references users), indexed |
comment_id | integer | not null |
- user_id: User
- comment_id: Comment
belongs_to :user, :comment
id, category, story_id
id, user_id, story_id