76 lines
2.3 KiB
SQL
76 lines
2.3 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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-- integer for internal unique id
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-- may consider guid for global uniqueness
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geometry_id serial PRIMARY KEY,
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-- jsonb document for all data, source ID, attributes
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geometry_doc jsonb,
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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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-- Spatial index over building outlines
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CREATE INDEX geometries_idx ON geometries USING GIST ( geometry_geom );
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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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-- integer for internal unique id
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-- may consider guid for global uniqueness
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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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-- Index over building geometry (expect to look up building by geometry_id)
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CREATE INDEX building_geometry_idx ON buildings ( geometry_id );
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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 serial PRIMARY KEY,
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-- username for login (required)
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username varchar UNIQUE NOT NULL,
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-- email address for password reset (optional)
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email varchar(50),
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-- salt - to be generated by application
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salt varchar (20),
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-- password - as generated application from hash(salt+password)
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pass varchar(60)
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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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-- Log 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 log (
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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 change action (CREATE/UPDATE/DELETE)
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log_doc jsonb,
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-- log user id
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user_id integer REFERENCES users
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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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