CREATE TABLE countries (
country SERIAL PRIMARY KEY,
countryname VARCHAR NOT NULL,
+ countrycode CHAR(3) NOT NULL, -- IOC country code
- UNIQUE ( countryname )
+ UNIQUE ( countryname ),
+ UNIQUE ( countrycode )
+);
+
+CREATE TABLE clubs (
+ club SERIAL PRIMARY KEY,
+ clubname VARCHAR NOT NULL,
+ clubcode CHAR(3) NOT NULL,
+
+ UNIQUE ( clubname ),
+ UNIQUE ( clubcode )
);
CREATE TABLE songs (
CREATE TABLE players (
player SERIAL PRIMARY KEY,
nick VARCHAR NOT NULL,
+ country INTEGER NOT NULL REFERENCES countries,
+ club INTEGER REFERENCES clubs,
UNIQUE ( nick )
);
round INTEGER NOT NULL,
parallel INTEGER NOT NULL,
num_machines INTEGER NOT NULL,
+ players_per_machine INTEGER NOT NULL CHECK ( players_per_machine IN (1, 2) ),
last_updated TIMESTAMP NOT NULL,
PRIMARY KEY ( tournament, round, parallel ),
FOREIGN KEY ( tournament, round, parallel ) REFERENCES groups
);
CREATE TABLE bigscreen.active_screens (
- id VARCHAR NOT NULL
+ id VARCHAR NOT NULL PRIMARY KEY
);