database schema

Database Schema

Users Table

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
first_name	string	not null
last_name	string	not null
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

TeaTimes

column name	data type	details
id	integer	not null, primary key
host_id	integer	not null, indexed, foreign key
location	string	not null
start_time	datetime	not null
duration	float	not null
city_id	integer	not null, indexed, foreign key
created_at	datetime	not null
updated_at	datetime	not null

• index on host_id, unique:true
• index on city_id, unique: true
• host_id references users table
• city_id references cities

Cities

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

• index on name, unique:true

Attendance

to keep track of users attending a teatime

column name	data type	details
id	integer	not null, primary key
teatime_id	integer	not null, indexed, foreign key
user_id	integer	not null, indexed, foreign key
status	integer	not null
created_at	datetime	not null
updated_at	datetime	not null

• index on teatime_id, unique:true
• index on user_id, unique: true

or?

• index on [teatime_id, user_id]. unique: true - this would need to be a unique combination
• teatime_id references TeaTime
• users_id references users table