);
CREATE INDEX songratings_feetrating ON songratings ( feetrating );
+CREATE VIEW max_single_feetrating AS SELECT machine,song,MAX(feetrating) AS feetrating FROM songratings WHERE playmode='single' GROUP BY machine,song;
+
CREATE TABLE players (
player SERIAL PRIMARY KEY,
nick VARCHAR NOT NULL,
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;
+
+-- get_max_score_for_players(tournament, round, playmode)
+CREATE FUNCTION get_max_score_for_players(integer, integer, varchar) RETURNS SETOF max_score
+ AS $$
+ SELECT player,
+ (
+ SELECT feetrating
+ FROM songratings
+ WHERE machine=( -- only find songs on the machine we use
+ SELECT machine FROM tournaments WHERE tournament=$1
+ )
+ AND song NOT IN ( -- not a song that has been in elimination or seeding
+ SELECT song FROM scores
+ WHERE tournament=$1
+ AND song IS NOT NULL
+ AND parallel=0
+ AND chosen='f'
+ )
+ AND (player,song) NOT IN ( -- not a song the player has chosen before, or is a random song in this round
+ SELECT player,song FROM scores
+ WHERE tournament=$1
+ AND song IS NOT NULL
+ AND ( chosen='t' OR round=$2 )
+ )
+ AND playmode=$3
+ ORDER BY feetrating DESC LIMIT 1
+ ) * 1000 AS max_score FROM tournamentparticipation;
+$$
+ LANGUAGE SQL
+ STABLE
+ RETURNS NULL ON NULL INPUT;
+