);
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)
);