database 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
first_name	string	not null
last_name	string
bio	text
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

tea_times

column name	data type	details
id	integer	not null, primary key
location	string	not null
start_time	datetime	not null
end_time	datetime	not null
city_id	integer	not null, indexed, foreign key
host_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
• city_id references cities

cities

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

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

reviews

to show reviews of a host

column name	data type	details
id	integer	not null, primary key
user_id	integer	not null, indexed, foreign key
host_id	integer	not null, indexed, foreign key
rating	integer	not null
review	text	not null
created_at	datetime	not null
updated_at	datetime	not null

• index on [user_id, host_id]. unique: true - this would need to be a unique combination - a user can only review a host once?
• user_id references users
• host_id references users
• a host can be reviewed, the review belongs to the user who makes the review