heart2heart/scheme.psql

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CREATE TABLE IF NOT EXISTS users (
mx_id VARCHAR(64),
room_id VARCHAR(64) UNIQUE,
name VARCHAR(32) DEFAULT NULL,
age SMALLINT DEFAULT NULL,
sex CHAR, -- 'm' of 'f'
interest CHAR, -- male, female or both ('m', 'f' and 'b')
description VARCHAR(512) DEFAULT NULL,
language VARCHAR(8) DEFAULT 'en',
country VARCHAR(64) DEFAULT NULL,
city VARCHAR(64) DEFAULT NULL,
range DOUBLE PRECISION DEFAULT 20.0,
current_action VARCHAR(16) DEFAULT NULL,
currently_viewing VARCHAR(64) --link to "room_id"
);
CREATE TABLE IF NOT EXISTS likes (
sender VARCHAR(64), -- link to room_id
recipient VARCHAR(64), -- link to room_id
read BOOLEAN DEFAULT FALSE
);
CREATE UNIQUE INDEX IF NOT EXISTS unique_likes ON likes(sender, recipient) ;
CREATE TABLE IF NOT EXISTS media (
owner VARCHAR(64), -- link to room_id,
type CHAR, -- 'i' for image, 'v' for video
purpose CHAR, -- 'p' for media in profile, 'm' for media in message
url VARCHAR(64) -- mxc://......
);
CREATE TABLE IF NOT EXISTS messages (
sender VARCHAR(64), -- link to room_id
recipient VARCHAR(64), -- link to room_id
type CHAR, -- 't' for text, 'p' for picture and 'v' for video
content VARCHAR(128), -- will contain a url if media and text if the message is just a text
read BOOLEAN DEFAULT FALSE
);
CREATE UNIQUE INDEX IF NOT EXISTS unique_messages ON messages(sender, recipient);
CREATE TABLE IF NOT EXISTS cities (
name VARCHAR(64),
lat REAL,
lng REAL,
country VARCHAR(64)
);
CREATE EXTENSION IF NOT EXISTS fuzzystrmatch SCHEMA public;
CREATE OR REPLACE FUNCTION deg2rad(double precision) RETURNS double precision AS 'SELECT $1 * 0.01745329' LANGUAGE SQL IMMUTABLE RETURNS NULL ON NULL INPUT;
-- lat1, lng1, lat2, lng2, range
CREATE OR REPLACE FUNCTION check_distance(double precision, double precision, double precision, double precision, double precision) RETURNS BOOLEAN AS '
SELECT 2 * ASIN(SQRT(
POWER(SIN( (deg2rad($3 - $1)) / 2 ), 2)
+ COS(deg2rad($1))
* COS(deg2rad($3))
* POWER(SIN(deg2rad($4 - $2)/2), 2)
))
* 6371 <= $5
' LANGUAGE SQL RETURNS NULL ON NULL INPUT;