bug: fix issue with match map demos being attached

Author: lukepolo

hasura/migrations/default/1761617285280_alter_table_public_match_map_veto_picks_add_unique_match_id_map_id/up.sql

@@ -1,11 +1,20 @@
+DROP TRIGGER IF EXISTS tbd_match_map_veto_picks ON public.match_map_veto_picks;
+
 WITH duplicates AS (
   SELECT 
-    id,
+    mmvp.id,
     ROW_NUMBER() OVER (
-      PARTITION BY match_id, map_id 
-      ORDER BY created_at ASC, id ASC
+      PARTITION BY mmvp.match_id, mmvp.map_id 
+      ORDER BY 
+        CASE WHEN EXISTS (
+          SELECT 1 FROM match_maps mm 
+          JOIN match_map_demos mmd ON mmd.match_map_id = mm.id 
+          WHERE mm.match_id = mmvp.match_id AND mm.map_id = mmvp.map_id
+        ) THEN 0 ELSE 1 END,
+        mmvp.created_at ASC, 
+        mmvp.id ASC
     ) as row_num
-  FROM match_map_veto_picks
+  FROM match_map_veto_picks mmvp
 )
 DELETE FROM match_map_veto_picks 
 WHERE id IN (
@@ -14,4 +23,6 @@ WHERE id IN (
   WHERE row_num > 1
 );
 
+CREATE TRIGGER tbd_match_map_veto_picks BEFORE DELETE ON public.match_map_veto_picks FOR EACH ROW EXECUTE FUNCTION public.tbd_match_map_veto_picks();
+
 alter table "public"."match_map_veto_picks" add constraint "match_map_veto_picks_match_id_map_id_key" unique ("match_id", "map_id");