Schema

Database Schema

users

column name	data type	details
id	integer	not null, primary key
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 email, unique: true
• index on session_token, unique: true

boards

column name	data type	details
id	integer	not null, primary key
title	string	not null
user_id	integer	not null, indexed
created_at	datetime	not null
updated_at	datetime	not null

• user_id references users
• index on user_id

lists

column name	data type	details
id	integer	not null, primary key
title	string	not null
board_id	integer	not null, indexed
previous_id	integer	not null
next_id	integer	not null
created_at	datetime	not null
updated_at	datetime	not null

• board_id references board
• index on board_id

cards

column name	data type	details
id	integer	not null, primary key
title	string	not null
description	text
list_id	integer	not null, indexed
previous_id	integer	not null
next_id	integer	not null
due_date	datetime
created_at	datetime	not null
updated_at	datetime	not null

• list_id references list
• index on list_id

comments

column name	data type	details
id	integer	not null, primary key
user_id	integer	not null, indexed
card_id	integer	not null, indexed
body	text	not null
created_at	datetime	not null
updated_at	datetime	not null

• user_id references user
• card_id references card
• index on user_id
• index on card_id