Nifi init

nifi/sql/extract/06_fact_medal_award.sql

@@ -0,0 +1,16 @@
+-- Returns one row per player-medal with natural keys and pre-computed measures.
+SELECT
+    t.game_id,
+    m.country_id,
+    m.organization_id,
+    m.medal                                                     AS medal_type,
+    CAST(DATE_FORMAT(t.start_date, '%Y%m%d') AS UNSIGNED)      AS date_key,
+    m.player_name,
+    1                                                           AS medal_count,
+    CASE m.medal
+        WHEN 'Gold'   THEN 3
+        WHEN 'Silver' THEN 2
+        ELSE               1
+    END                                                         AS medal_points
+FROM medalist m
+JOIN tournament t ON m.tournament_id = t.tournament_id;