Added a stored procedure for finding the min/max rank for an entire tournament.

[ccbs] / sql / ccbs.sql

diff --git a/sql/ccbs.sql b/sql/ccbs.sql
index ab682cdcacfa6b5dbe749b6722024e84328f834f..99b67003306220af9b40e6ce7234d0ede634c4e7 100644 (file)
--- a/sql/ccbs.sql
+++ b/sql/ccbs.sql
@@ -270,29 +270,29 @@ CREATE TYPE minmax_score AS (
        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
+-- get_minmax_score_for_players(tournament, round, parallel, playmode)
+CREATE FUNCTION get_minmax_score_for_players(integer, 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
+       FOR tp IN SELECT player FROM roundparticipation WHERE tournament=$1 AND round=$2 AND parallel=$3 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
+               FOR ts IN SELECT song,score FROM scores WHERE tournament=$1 AND round=$2 AND parallel=$3 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 );
+                                       ret.max_score := ret.max_score + ( SELECT max_score FROM get_max_score_for_songs($1, $4) 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 );
+                                       ret.max_score := ret.max_score + ( SELECT max_score FROM get_max_score_for_players($1, $4) WHERE song=tp.player );
                                END IF;
                        END IF;
                END LOOP;
@@ -313,14 +313,21 @@ CREATE TYPE minmax_rank AS (
        worst_rank INTEGER
 );
 
--- get_minmax_score_for_players(tournament, round, playmode)
-CREATE FUNCTION get_minmax_rank_for_players(integer, integer, varchar) RETURNS SETOF minmax_rank
+-- get_minmax_score_for_players(tournament, round, parallel, playmode)
+CREATE TABLE temp_minmax (
+       player INTEGER,
+       min_score INTEGER,
+       max_score INTEGER
+);
+
+CREATE FUNCTION get_minmax_rank_for_players(integer, integer, integer, varchar) RETURNS SETOF minmax_rank
     AS $$
 DECLARE
        ret minmax_rank;
        tp RECORD;
 BEGIN
-       CREATE TEMPORARY TABLE temp_minmax AS SELECT * FROM get_minmax_score_for_players($1, $2, $3);
+       INSERT INTO temp_minmax SELECT * FROM get_minmax_score_for_players($1, $2, $3, $4);
+       
        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);
@@ -328,11 +335,43 @@ BEGIN
 
                RETURN NEXT ret;
        END LOOP;
-       DROP TABLE temp_minmax; 
+       TRUNCATE temp_minmax;
        RETURN;
 END;
     $$
     LANGUAGE plpgsql
     VOLATILE    -- not really, but needed for the TEMPORARY TABLE
     RETURNS NULL ON NULL INPUT;
-    
+
+-- get_minmax_score_for_players(tournament, playmode)
+CREATE TYPE minmax_rank_entire_tournament AS (
+       round INTEGER,
+       parallel INTEGER,
+       player INTEGER,
+       best_rank INTEGER,
+       worst_rank INTEGER
+);
+CREATE FUNCTION get_minmax_rank_for_players(integer, varchar) RETURNS SETOF minmax_rank_entire_tournament
+    AS $$
+DECLARE
+       ret minmax_rank_entire_tournament;
+       tr record;
+       tp record;
+BEGIN
+       FOR tr IN SELECT * FROM groups WHERE tournament=$1 LOOP
+               ret.round = tr.round;
+               ret.parallel = tr.parallel;
+
+               FOR tp IN SELECT * FROM get_minmax_rank_for_players($1, tr.round, tr.parallel, $2) LOOP
+                       ret.player = tp.player;
+                       ret.best_rank = tp.best_rank;
+                       ret.worst_rank = tp.worst_rank;
+                       RETURN NEXT ret;
+               END LOOP;
+       END LOOP;
+       RETURN;
+END;
+    $$
+    LANGUAGE plpgsql
+    STABLE
+    RETURNS NULL ON NULL INPUT;