UNIQUE ( title )
);
+CREATE TABLE songshorttitles (
+ song INTEGER NOT NULL REFERENCES songs,
+ shorttitle VARCHAR NOT NULL,
+
+ PRIMARY KEY ( song, shorttitle ),
+ UNIQUE ( shorttitle )
+);
+
CREATE TABLE machinesongs (
song INTEGER NOT NULL REFERENCES songs,
machine INTEGER NOT NULL REFERENCES machines,
CREATE SCHEMA bigscreen;
CREATE TABLE bigscreen.active_tournament (
- tournament INTEGER NOT NULL REFERENCES tournaments
+ tournament INTEGER NOT NULL PRIMARY KEY REFERENCES tournaments
);
+CREATE TABLE bigscreen.active_groups (
+ tournament INTEGER NOT NULL REFERENCES bigscreen.active_tournament,
+ round INTEGER NOT NULL,
+ parallel INTEGER NOT NULL,
+ last_updated TIMESTAMP NOT NULL,
--- install PL/PgSQL
-CREATE FUNCTION plpgsql_call_handler() RETURNS opaque
- AS '/usr/lib/postgresql/lib/plpgsql.so', 'plpgsql_call_handler'
- LANGUAGE "C";
-CREATE TRUSTED PROCEDURAL LANGUAGE plpgsql HANDLER plpgsql_call_handler;
-
--- NOTIFY active_tournament when anything has changed
-CREATE FUNCTION notify_active_tournament() RETURNS trigger
-AS '
- DECLARE
- BEGIN
- NOTIFY bigscreen.active_tournament;
- END;'
-LANGUAGE plpgsql;
-
+ PRIMARY KEY ( tournament, round, parallel ),
+ FOREIGN KEY ( tournament, round, parallel ) REFERENCES groups
+);