X-Git-Url: https://git.sesse.net/?p=ccbs;a=blobdiff_plain;f=sql%2Fccbs.sql;h=6a96a208b218c3f0921255f5c892d742ab08ca40;hp=b49a47e2781bc3f7717f7740630ab91581525e3f;hb=e94a90a317b44352b4e282a9ce6290e698ef87ff;hpb=2b53471d51f30dd8eb78564ec354b07cee9f25cf

diff --git a/sql/ccbs.sql b/sql/ccbs.sql
index b49a47e..6a96a20 100644
--- a/sql/ccbs.sql
+++ b/sql/ccbs.sql
@@ -2,16 +2,27 @@
 
 CREATE TABLE machines (
 	machine SERIAL PRIMARY KEY,
-	name VARCHAR NOT NULL,
+	machinename VARCHAR NOT NULL,
 
-	UNIQUE ( name )
+	UNIQUE ( machinename )
 );
 
 CREATE TABLE countries (
 	country SERIAL PRIMARY KEY,
-	name VARCHAR NOT NULL,
+	countryname VARCHAR NOT NULL,
+	countrycode CHAR(3) NOT NULL,   -- IOC country code
 
-	UNIQUE ( name )
+	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 (
@@ -24,49 +35,85 @@ CREATE TABLE songs (
 	UNIQUE ( title )
 );
 
--- CREATE TABLE machinesongs etc.
+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,
+
+	PRIMARY KEY ( song, machine )
+);
 
 CREATE TABLE scoringsystems (
 	scoringsystem SERIAL PRIMARY KEY,
-	name VARCHAR NOT NULL,
+	scoringsystemname VARCHAR NOT NULL,
 	
-	UNIQUE ( name )
+	UNIQUE ( scoringsystemname )
 );
 
 CREATE TABLE songratings (
-	song INTEGER NOT NULL REFERENCES songs,   -- strictly song+machine
+	song INTEGER NOT NULL REFERENCES songs,
+	machine INTEGER NOT NULL REFERENCES machines,
 	playmode VARCHAR NOT NULL CHECK (playmode IN ('single','double')),
 	difficulty VARCHAR NOT NULL CHECK (difficulty IN ('beginner','standard','difficult','expert','challenge')),
 	feetrating INTEGER NOT NULL CHECK (feetrating >= 0 AND feetrating <= 10),
 
-	PRIMARY KEY (song, playmode, difficulty)
+	PRIMARY KEY (song, machine, playmode, difficulty)
 );
+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,
+	country INTEGER NOT NULL REFERENCES countries,
+	club INTEGER REFERENCES clubs,
 
 	UNIQUE ( nick )
 );
 
 CREATE TABLE seasons (
 	season SERIAL PRIMARY KEY,
-	name VARCHAR NOT NULL,
+	seasonname VARCHAR NOT NULL,
 
-	UNIQUE ( name )
+	UNIQUE ( seasonname )
 );
 
 CREATE TABLE tournaments (
 	tournament SERIAL PRIMARY KEY,
 	season INTEGER NOT NULL REFERENCES seasons,
-	name VARCHAR NOT NULL,
+	tournamentname VARCHAR NOT NULL,
 	country INTEGER NOT NULL REFERENCES countries,
 	location VARCHAR NOT NULL,
 	"date" DATE NOT NULL,
 	machine INTEGER NOT NULL REFERENCES machines,
 	scoringsystem INTEGER NOT NULL REFERENCES scoringsystems,
 
-	UNIQUE ( season, name )
+	UNIQUE ( season, tournamentname )
+);
+
+CREATE TABLE tournamentparticipation (
+	tournament INTEGER NOT NULL REFERENCES tournaments,
+	player INTEGER NOT NULL REFERENCES players,
+	paid BOOLEAN NOT NULL,
+
+	PRIMARY KEY ( tournament, player )
+);
+
+CREATE TABLE tournamentrankings (
+	tournament INTEGER NOT NULL REFERENCES tournaments,
+	ranking INTEGER NOT NULL,
+	player INTEGER NOT NULL REFERENCES players,
+	points INTEGER,
+
+	PRIMARY KEY (tournament, player)
 );
 
 CREATE TABLE rounds (
@@ -74,6 +121,7 @@ CREATE TABLE rounds (
 	round INTEGER NOT NULL,
 	randomsongs INTEGER NOT NULL,
 	chosensongs INTEGER NOT NULL,
+	numqualifying INTEGER,
 
 	PRIMARY KEY (tournament, round)
 );
@@ -115,16 +163,183 @@ CREATE TABLE scores (
 	round INTEGER NOT NULL,
 	parallel INTEGER NOT NULL,
 	player INTEGER NOT NULL REFERENCES players,
+	songnumber INTEGER NOT NULL,
 	
-	song INTEGER NOT NULL REFERENCES songs,
+	song INTEGER REFERENCES songs,
 	playmode VARCHAR CHECK (playmode IS NULL OR playmode IN ('single','double')),
 	difficulty VARCHAR CHECK (difficulty IS NULL OR difficulty IN ('beginner','standard','difficult','expert','challenge')),
 	
-	chosen BOOLEAN NOT NULL,
-	score INTEGER NOT NULL CHECK (score >= 0 AND score <= 10000),
+	chosen BOOLEAN,
+	score INTEGER CHECK (score IS NULL OR (score >= 0 AND score <= 10000)),
 	
-	FOREIGN KEY (song) REFERENCES songs (song),
-	FOREIGN KEY (song, playmode, difficulty) REFERENCES songratings (song, playmode, difficulty),
+	-- FOREIGN KEY (song, playmode, difficulty) REFERENCES songratings (song, playmode, difficulty),
 	FOREIGN KEY (tournament, round, parallel, player) REFERENCES roundparticipation (tournament, round, parallel, player),
-	PRIMARY KEY (tournament, round, parallel, player, song)
+	PRIMARY KEY (tournament, round, parallel, player, songnumber)
 );
+
+CREATE TABLE randomsongsused (
+	song INTEGER NOT NULL PRIMARY KEY REFERENCES songs
+);
+
+CREATE SCHEMA bigscreen;
+
+CREATE TABLE bigscreen.active_tournament (
+	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,
+	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;
+
+-- 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;
+
+-- Find out, for each player in the group, what the maximum remaining score
+-- possibly can be, using get_max_score_for_{songs,players} (the first for
+-- selected but not played songs, the second for random songs that have not
+-- been chosen yet).
+--
+-- This doesn't solve problems we'd face with more than one chosen song, but it
+-- should be good enough.
+
+CREATE TYPE minmax_score AS (
+	player INTEGER,
+	min_score INTEGER,
+	max_score INTEGER
+);
+
+-- get_minmax_score_for_players(tournament, round, playmode)
+CREATE FUNCTION get_minmax_score_for_players(integer, integer, varchar) RETURNS SETOF minmax_score
+    AS $$
+DECLARE
+	ret minmax_score;
+	tp RECORD;
+	ts RECORD;
+BEGIN
+	FOR tp IN SELECT player FROM roundparticipation WHERE tournament=$1 AND round=$2 LOOP
+		ret.player := tp.player;
+		ret.min_score := 0;
+		ret.max_score := 0;
+
+		FOR ts IN SELECT song,score FROM scores WHERE tournament=$1 and round=$2 and player=tp.player LOOP
+			IF ts.score IS NOT NULL THEN
+				-- score is already given
+				ret.min_score := ret.min_score + ts.score;
+				ret.max_score := ret.max_score + ts.score;
+			ELSE
+				IF ts.song IS NOT NULL THEN
+					ret.max_score := ret.max_score + ( SELECT max_score FROM get_max_score_for_songs($1, $3) WHERE song=ts.song );
+				ELSE
+					ret.max_score := ret.max_score + ( SELECT max_score FROM get_max_score_for_players($1, $3) WHERE song=tp.player );
+				END IF;
+			END IF;
+		END LOOP;
+
+		RETURN NEXT ret;
+	END LOOP;
+	RETURN;
+END;
+$$
+    LANGUAGE plpgsql
+    STABLE
+    RETURNS NULL ON NULL INPUT;
+
+-- use the minmax_score as a basis for finding best and worst possible ranks
+CREATE TYPE minmax_rank AS (
+	player INTEGER,
+	best_rank INTEGER,
+	worst_rank INTEGER
+);
+
+-- get_minmax_score_for_players(tournament, round, playmode)
+CREATE TABLE temp_minmax (
+	player INTEGER,
+	min_score INTEGER,
+	max_score INTEGER
+);
+
+CREATE FUNCTION get_minmax_rank_for_players(integer, integer, varchar) RETURNS SETOF minmax_rank
+    AS $$
+DECLARE
+	ret minmax_rank;
+	tp RECORD;
+BEGIN
+	INSERT INTO temp_minmax SELECT * FROM get_minmax_score_for_players($1, $2, $3);
+	
+	FOR tp IN SELECT * FROM temp_minmax LOOP
+		ret.player = tp.player;
+		ret.best_rank = 1 + ( SELECT COUNT(*) FROM temp_minmax WHERE min_score >= tp.max_score AND player<>tp.player);
+		ret.worst_rank = 1 + ( SELECT COUNT(*) FROM temp_minmax WHERE max_score > tp.min_score AND player<>tp.player );
+
+		RETURN NEXT ret;
+	END LOOP;
+	TRUNCATE temp_minmax;
+	RETURN;
+END;
+    $$
+    LANGUAGE plpgsql
+    VOLATILE    -- not really, but needed for the TEMPORARY TABLE
+    RETURNS NULL ON NULL INPUT;
+