3 CREATE TABLE machines (
4 machine SERIAL PRIMARY KEY,
8 CREATE TABLE countries (
9 country SERIAL PRIMARY KEY,
14 song SERIAL PRIMARY KEY,
15 title VARCHAR NOT NULL,
16 artist VARCHAR NOT NULL,
17 minbpm INTEGER NOT NULL,
18 maxbpm INTEGER NOT NULL
21 -- CREATE TABLE machinesongs etc.
23 CREATE TABLE scoringsystems (
24 scoringsystem SERIAL PRIMARY KEY,
28 CREATE TABLE songratings (
29 song INTEGER NOT NULL REFERENCES songs, -- strictly song+machine
30 playmode VARCHAR NOT NULL CHECK (playmode IN ('single','double')),
31 difficulty VARCHAR NOT NULL CHECK (difficulty IN ('beginner','standard','difficult','expert','challenge')),
32 feetrating INTEGER NOT NULL CHECK (feetrating >= 0 AND feetrating <= 10),
34 PRIMARY KEY (song, playmode, difficulty)
37 CREATE TABLE players (
38 player SERIAL PRIMARY KEY,
42 CREATE TABLE seasons (
43 season SERIAL PRIMARY KEY,
47 CREATE TABLE tournaments (
48 tournament SERIAL PRIMARY KEY,
49 season INTEGER NOT NULL REFERENCES seasons,
50 name VARCHAR NOT NULL,
51 country INTEGER NOT NULL REFERENCES countries,
52 location VARCHAR NOT NULL,
54 machine INTEGER NOT NULL REFERENCES machines,
55 scoringsystem INTEGER NOT NULL REFERENCES scoringsystems
59 tournament INTEGER NOT NULL REFERENCES tournaments,
60 round INTEGER NOT NULL,
61 randomsongs INTEGER NOT NULL,
62 chosensongs INTEGER NOT NULL,
64 PRIMARY KEY (tournament, round)
68 tournament INTEGER NOT NULL REFERENCES tournaments,
69 round INTEGER NOT NULL,
70 parallel INTEGER NOT NULL,
72 FOREIGN KEY (tournament, round) REFERENCES rounds (tournament, round),
73 PRIMARY KEY (tournament, round, parallel)
76 CREATE TABLE roundrandomsongs (
77 tournament INTEGER NOT NULL,
78 round INTEGER NOT NULL,
79 parallel INTEGER NOT NULL,
80 song INTEGER NOT NULL REFERENCES songs,
82 FOREIGN KEY (tournament, round, parallel) REFERENCES groups (tournament, round, parallel),
83 PRIMARY KEY (tournament, round, parallel, song)
86 CREATE TABLE roundparticipation (
87 tournament INTEGER NOT NULL,
88 round INTEGER NOT NULL,
89 parallel INTEGER NOT NULL,
90 player INTEGER NOT NULL REFERENCES players,
92 UNIQUE (tournament, round, player),
93 FOREIGN KEY (tournament, round, parallel) REFERENCES groups (tournament, round, parallel),
94 PRIMARY KEY (tournament, round, parallel, player)
98 tournament INTEGER NOT NULL,
99 round INTEGER NOT NULL,
100 parallel INTEGER NOT NULL,
101 player INTEGER NOT NULL REFERENCES players,
103 song INTEGER NOT NULL REFERENCES songs,
104 playmode VARCHAR CHECK (playmode IS NULL OR playmode IN ('single','double')),
105 difficulty VARCHAR CHECK (difficulty IS NULL OR difficulty IN ('beginner','standard','difficult','expert','challenge')),
107 chosen BOOLEAN NOT NULL,
108 score INTEGER NOT NULL CHECK (score >= 0 AND score <= 10000),
110 FOREIGN KEY (song) REFERENCES songs (song),
111 FOREIGN KEY (song, playmode, difficulty) REFERENCES songratings (song, playmode, difficulty),
112 FOREIGN KEY (tournament, round, parallel, player) REFERENCES roundparticipation (tournament, round, parallel, player),
113 PRIMARY KEY (tournament, round, parallel, player, song)