colouring-montreal/migrations/001.create-core.up.sql
2018-09-25 20:45:49 +01:00

110 lines
3.1 KiB
SQL

--
-- Geometries table
--
-- To store building outlines.
-- Geometries form the backbone, expected to be provided from other sources.
CREATE TABLE geometries (
-- internal unique id
geometry_id serial PRIMARY KEY,
-- cross-reference to data source id
source_id varchar(30),
-- geometry as EPSG:3857 avoiding reprojection for tiles
geometry_geom geometry(POLYGON, 3857)
);
--
-- Buildings table
--
-- To store collected data.
-- This is the core dataset to be collected by the application.
CREATE TABLE buildings (
-- internal unique id
building_id serial PRIMARY KEY,
-- jsonb document for all data, attributes to be specified in application
building_doc jsonb,
-- reference to geometry, aiming to decouple from geometry provider
geometry_id integer REFERENCES geometries
);
--
-- User categories
--
-- Self-selected, optional categories
CREATE TABLE user_categories (
category_id serial PRIMARY KEY,
-- category name/short description
category varchar(60)
);
INSERT INTO user_categories ( category_id, category ) VALUES ( 1, 'Not provided');
--
-- User access levels
--
-- If necessary for moderation
CREATE TABLE user_access_levels (
access_level_id serial PRIMARY KEY,
-- name/short description
access_level varchar(60)
);
INSERT INTO user_access_levels ( access_level_id, access_level ) VALUES ( 1, 'untrusted');
--
-- Users table
--
-- Minimal user data to support login and edit history
CREATE TABLE users (
-- internal unique id
user_id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
-- username for login (required)
username varchar(30) UNIQUE NOT NULL,
-- email address for password reset (optional)
email varchar(50) UNIQUE,
-- password - as generated from hash(salt+password) via pgcrypto
pass varchar(60),
-- date registered
registered timestamp default NOW(),
-- user category (optional, self-selected)
category integer REFERENCES user_categories NOT NULL DEFAULT 1,
-- user access level (essential, default untrusted)
access_level integer REFERENCES user_access_levels NOT NULL DEFAULT 1
);
CREATE INDEX user_username_idx ON users ( username );
CREATE INDEX user_email_idx ON users ( email );
--
-- User session table
--
--
CREATE TABLE user_sessions (
sid varchar PRIMARY KEY,
sess json NOT NULL,
expire timestamp(6) NOT NULL
);
CREATE INDEX user_sessions_expire_idx on user_sessions ( expire );
--
-- Logs table
--
-- To store all changes to building data, recording users and change in data
-- over time.
CREATE TABLE logs (
-- integer for internal unique id
log_id bigserial PRIMARY KEY,
-- default timestamp to time now
log_timestamp TIMESTAMP default NOW(),
-- log document to be extended in application
-- log from..to; only changed values (aim to be reversible)
log_from jsonb,
log_to jsonb,
-- log user id
user_id uuid REFERENCES users,
-- log building id
building_id integer REFERENCES buildings
);
CREATE INDEX log_timestamp_idx ON log ( log_timestamp );
CREATE INDEX log_user_idx ON log ( user_id );
CREATE INDEX log_building_idx ON log ( building_id );