CREATE TABLE rounds (
tournament INTEGER NOT NULL REFERENCES tournaments,
- level INTEGER NOT NULL,
- parallel INTEGER NOT NULL
+ round INTEGER NOT NULL,
+ randomsongs INTEGER NOT NULL,
+ chosensongs INTEGER NOT NULL,
- PRIMARY KEY (tournament, level, parallel)
+ PRIMARY KEY (tournament, round)
+);
+
+CREATE TABLE groups (
+ tournament INTEGER NOT NULL REFERENCES tournaments,
+ round INTEGER NOT NULL,
+ parallel INTEGER NOT NULL,
+
+ FOREIGN KEY (tournament, round) REFERENCES rounds (tournament, round),
+ PRIMARY KEY (tournament, round, parallel)
+);
+
+CREATE TABLE roundrandomsongs (
+ tournament INTEGER NOT NULL,
+ round INTEGER NOT NULL,
+ parallel INTEGER NOT NULL,
+ song INTEGER NOT NULL REFERENCES songs,
+
+ FOREIGN KEY (tournament, round, parallel) REFERENCES groups (tournament, round, parallel),
+ PRIMARY KEY (tournament, round, parallel, song)
);
CREATE TABLE roundparticipation (
tournament INTEGER NOT NULL,
- level INTEGER NOT NULL,
+ round INTEGER NOT NULL,
parallel INTEGER NOT NULL,
player INTEGER NOT NULL REFERENCES players,
- FOREIGN KEY ( tournament, level, parallel ) REFERENCES rounds ( tournament, level, parallel ),
- PRIMARY KEY ( tournament, level, parallel, player )
+ UNIQUE (tournament, round, player),
+ FOREIGN KEY (tournament, round, parallel) REFERENCES groups (tournament, round, parallel),
+ PRIMARY KEY (tournament, round, parallel, player)
);
+
+CREATE TABLE scores (
+ tournament INTEGER NOT NULL,
+ round INTEGER NOT NULL,
+ parallel INTEGER NOT NULL,
+ player INTEGER NOT NULL REFERENCES players,
+
+ song INTEGER NOT NULL REFERENCES songs,
+ playmode VARCHAR NOT NULL CHECK playmode IN ('single','double'),
+ difficulty VARCHAR NOT NULL CHECK difficulty IN ('beginner','standard','difficult','expert','challenge'),
+
+ score INTEGER NOT NULL CHECK (score >= 0 AND score <= 10000),
+
+ FOREIGN KEY (song, playmode, difficulty) REFERENCES songs (song, playmode, difficulty),
+ FOREIGN KEY (tournament, round, parallel) REFERENCES groups (tournament, round, parallel),
+ PRIMARY KEY (tournament, round, parallel, player, songs)
+);