Schema

Schema

users

column name	data type	details
id	integer	not null, primary key
username	string	not null, indexed, unique
email	string	not null, indexed, unique
password_digest	string	not null
session_token	string	not null, indexed, unique
created_at	datetime	not null
updated_at	datetime	not null

• index on username, unique: true
• index on email, unique: true
• index on session_token, unique: true

tracks

column name	data type	details
id	integer	not null, primary key
title	string	not null, indexed
description	text	optional
plays	integer	not null, default: 0
uploader_id	integer	not null, indexed, foreign key
created_at	datetime	not null
updated_at	datetime	not null

• uploader_id references users
• index on title
• index on uploader_id
• index on [:title, :uploader_id], unique: true

comments

column name	data type	details
id	integer	not null, primary key
comment_body	text	not null
commenter_id	integer	not null, indexed, foreign key
track_id	integer	not null, indexed, foreign key
created_at	datetime	not null
updated_at	datetime	not null

• commenter_id references users
• track_id references tracks
• index on commenter_id
• index on track_id