-
--- 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;
-
+CREATE TABLE bigscreen.active_groups (
+ tournament INTEGER NOT NULL REFERENCES bigscreen.active_tournament,
+ 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 PRIMARY KEY
+);
+
+-- get_max_score_for_songs(tournament, playmode)
+CREATE TYPE max_score AS (
+ song INTEGER,
+ max_score INTEGER
+);
+
+CREATE FUNCTION get_max_score_for_songs(integer, varchar) RETURNS SETOF max_score
+ AS $$
+ SELECT
+ song,
+ MAX(feetrating)*1000 AS max_score
+ FROM songratings
+ WHERE
+ machine=(
+ SELECT machine FROM tournaments WHERE tournament=$1
+ )
+ AND playmode=$2
+ GROUP BY song
+ ;
+$$
+ LANGUAGE SQL
+ STABLE
+ RETURNS NULL ON NULL INPUT;