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