);
CREATE TABLE songratings (
- song INTEGER NOT NULL REFERENCES songs, -- strictly song+machine
+ song INTEGER NOT NULL REFERENCES songs,
+ machine INTEGER NOT NULL REFERENCES machines,
playmode VARCHAR NOT NULL CHECK (playmode IN ('single','double')),
difficulty VARCHAR NOT NULL CHECK (difficulty IN ('beginner','standard','difficult','expert','challenge')),
feetrating INTEGER NOT NULL CHECK (feetrating >= 0 AND feetrating <= 10),
- PRIMARY KEY (song, playmode, difficulty)
+ PRIMARY KEY (song, machine, playmode, difficulty)
);
CREATE TABLE players (
chosen BOOLEAN,
score INTEGER CHECK (score IS NULL OR (score >= 0 AND score <= 10000)),
- FOREIGN KEY (song, playmode, difficulty) REFERENCES songratings (song, playmode, difficulty),
+ -- FOREIGN KEY (song, playmode, difficulty) REFERENCES songratings (song, playmode, difficulty),
FOREIGN KEY (tournament, round, parallel, player) REFERENCES roundparticipation (tournament, round, parallel, player),
PRIMARY KEY (tournament, round, parallel, player, songnumber)
);
+
+CREATE TABLE randomsongsused (
+ song INTEGER NOT NULL PRIMARY KEY REFERENCES songs
+);
+
+CREATE SCHEMA bigscreen;
+
+CREATE TABLE bigscreen.active_tournament (
+ tournament INTEGER NOT NULL REFERENCES tournaments
+);
+
+-- install PL/PgSQL
+CREATE FUNCTION plpgsql_call_handler() RETURNS opaque
+ AS '/usr/lib/postgresql/lib/plpgsql.so', 'plpgsql_call_handler'
+ LANGUAGE "C";
+CREATE TRUSTED PROCEDURAL LANGUAGE plpgsql HANDLER plpgsql_call_handler;
+
+-- NOTIFY active_tournament when anything has changed
+CREATE FUNCTION notify_active_tournament() RETURNS trigger
+AS '
+ DECLARE
+ BEGIN
+ NOTIFY bigscreen.active_tournament;
+ END;'
+LANGUAGE plpgsql;
+