86 lines
3.6 KiB
SQL
86 lines
3.6 KiB
SQL
-- Location fields
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-- Building Name
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS location_name varchar;
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ALTER TABLE buildings ADD CONSTRAINT buildings_location_name_len CHECK (length(location_name) < 90);
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-- Building Number
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS location_number varchar;
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ALTER TABLE buildings ADD CONSTRAINT buildings_location_number_len CHECK (length(location_number) < 10);
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-- Street
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS location_street varchar;
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ALTER TABLE buildings ADD CONSTRAINT buildings_location_street_len CHECK (length(location_street) < 90);
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-- Address line 2
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS location_line_two varchar;
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ALTER TABLE buildings ADD CONSTRAINT buildings_location_line_two_len CHECK (length(location_line_two) < 90);
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-- Town
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS location_town varchar;
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ALTER TABLE buildings ADD CONSTRAINT buildings_location_town_len CHECK (length(location_town) < 90);
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-- Postcode
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS location_postcode varchar;
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ALTER TABLE buildings ADD CONSTRAINT buildings_location_postcode_len CHECK (length(location_postcode) < 11);
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-- Explicit coordinates (user-provided; see geometries table for polygons)
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS location_latitude double precision;
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS location_longitude double precision;
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-- Building age (main construction, facade)
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-- Year built (best estimate)
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS date_year smallint;
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-- Year built (lower estimate)
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS date_lower smallint;
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-- Year built (upper estimate)
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS date_upper smallint;
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-- Date Source
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS date_source varchar;
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ALTER TABLE buildings ADD CONSTRAINT buildings_date_source_len CHECK (length(date_source) < 150);
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-- Facade date
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS facade_year smallint;
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-- Facade date (upper)
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS facade_upper smallint;
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-- Facade date (lower)
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS facade_lower smallint;
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-- Date Source
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS facade_source varchar;
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ALTER TABLE buildings ADD CONSTRAINT buildings_facade_source_len CHECK (length(facade_source) < 150);
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-- Size
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-- Attic storeys
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS size_storeys_attic smallint;
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-- Core storeys
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS size_storeys_core smallint;
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-- Basement storeys
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS size_storeys_basement smallint;
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-- Height to apex (m)
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS size_height_apex real;
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-- Ground floor area (m2)
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS size_floor_area_ground real;
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-- Total floor area (m2)
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS size_floor_area_total real;
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-- Frontage Width (m)
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS size_width_frontage real;
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-- Likes
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-- Total likes (denormalised from up-to-one-vote-per-user)
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ALTER TABLE buildings ADD COLUMN IF NOT EXISTS likes_total integer DEFAULT 0;
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-- Store users-buildings likes (many-to-many)
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CREATE TABLE IF NOT EXISTS building_user_likes (
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building_like_id serial PRIMARY KEY,
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building_id integer REFERENCES buildings,
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user_id uuid REFERENCES users
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);
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CREATE INDEX building_likes_idx ON building_user_likes ( building_id );
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CREATE INDEX user_likes_idx ON building_user_likes ( user_id );
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-- One like per-building, per-user
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ALTER TABLE building_user_likes ADD CONSTRAINT building_like_once UNIQUE (building_id, user_id);
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