Fix 00-lotto-db.sql

This was accidentally committed as symbolic link when it should have been a file.

sql/00-lotto-db.sql

@@ -0,0 +1,35 @@
+CREATE EXTENSION intarray;
+
+CREATE TYPE game_type AS ENUM (
+  'SATURDAY',
+  'MONDAY',
+  'WEDNESDAY',
+  'OZ',
+  'POWERBALL',
+  'SET_FOR_LIFE'
+);
+
+CREATE TABLE games (
+  type game_type,
+  game int,
+  numbers int[],
+  supplementaries int[],
+  CONSTRAINT games_pk PRIMARY KEY (type, game)
+);
+
+CREATE VIEW sorted_games (type, game, numbers, supplementaries) 
+   AS 
+  SELECT t.type, t.game, sort(t.numbers)::int[] AS numbers, sort(t.supplementaries)::int[] as supplementaries
+    FROM games t;
+
+CREATE FUNCTION summarise_matches(game_type game_type, numbers int[], min_numbers int)
+    RETURNS TABLE(numbers_count int, supp_count int, games_count int, latest_game int)
+    AS $$ 
+        SELECT numbers_count, supp_count, count(*) as games_count, max(game) as latest_game
+        FROM
+            (SELECT icount(numbers & $2) AS numbers_count, icount(supplementaries & $2) AS supp_count, game
+                FROM sorted_games WHERE type = $1) c
+        WHERE numbers_count >= $3 
+        GROUP BY (numbers_count, supp_count)
+        ORDER BY numbers_count DESC, supp_count DESC
+    $$ LANGUAGE SQL;