UNIQUE ( title )
);
--- CREATE TABLE machinesongs etc.
+CREATE TABLE machinesongs (
+ song INTEGER NOT NULL REFERENCES songs,
+ machine INTEGER NOT NULL REFERENCES machines,
+
+ PRIMARY KEY ( song, machine )
+);
CREATE TABLE scoringsystems (
scoringsystem SERIAL PRIMARY KEY,
);
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 (
player INTEGER NOT NULL REFERENCES players,
songnumber INTEGER NOT NULL,
- song INTEGER NOT NULL REFERENCES songs,
+ song INTEGER REFERENCES songs,
playmode VARCHAR CHECK (playmode IS NULL OR playmode IN ('single','double')),
difficulty VARCHAR CHECK (difficulty IS NULL OR difficulty IN ('beginner','standard','difficult','expert','challenge')),
- chosen BOOLEAN NOT NULL,
- score INTEGER NOT NULL CHECK (score >= 0 AND score <= 10000),
+ chosen BOOLEAN,
+ score INTEGER CHECK (score IS NULL OR (score >= 0 AND score <= 10000)),
- FOREIGN KEY (song) REFERENCES songs (song),
- 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),
- UNIQUE (tournament, round, parallel, player, songnumber),
- PRIMARY KEY (tournament, round, parallel, player, song)
+ PRIMARY KEY (tournament, round, parallel, player, songnumber)
+);
+
+CREATE TABLE randomsongsused (
+ song INTEGER NOT NULL PRIMARY KEY REFERENCES songs
);