Fix for room swap migration

migrations/000.586.sql

@@ -15359,7 +15359,7 @@ BEGIN
     FROM temp_room_updates tru
     LEFT JOIN "product-printproducts" pp ON pp.productid = tru.product_id AND pp.groupid IN (1, 3)
     WHERE pp.printid IS NULL;
-    
+
     IF missing_count > 0 THEN
         RAISE NOTICE 'Warning: % products have no matching prints with groupid 1 or 3', missing_count;
     END IF;
@@ -15374,7 +15374,7 @@ BEGIN
     FROM temp_room_updates tru
     LEFT JOIN rooms r ON r.name = tru.new_room_name || '_wallpaper_standing'
     WHERE r.id IS NULL;
-    
+
     IF invalid_count > 0 THEN
         RAISE NOTICE 'Warning: % unique room names not found in database', invalid_count;
     END IF;
@@ -15391,18 +15391,18 @@ BEGIN
     FROM temp_room_updates tru
     INNER JOIN "product-printproducts" pp ON pp.productid = tru.product_id AND pp.groupid IN (1, 3)
     INNER JOIN rooms r ON r.name = tru.new_room_name || '_wallpaper_standing';
-    
+
     SELECT COUNT(pp.printid) INTO print_count
     FROM temp_room_updates tru
     INNER JOIN "product-printproducts" pp ON pp.productid = tru.product_id AND pp.groupid IN (1, 3)
     INNER JOIN rooms r ON r.name = tru.new_room_name || '_wallpaper_standing';
-    
+
     SELECT COUNT(*) INTO interior_count
     FROM temp_room_updates tru
     INNER JOIN "product-printproducts" pp ON pp.productid = tru.product_id AND pp.groupid IN (1, 3)
     INNER JOIN interiors i ON i.print_id = pp.printid AND i.position = 0
     INNER JOIN rooms r ON r.name = tru.new_room_name || '_wallpaper_standing';
-    
+
     RAISE NOTICE 'Summary: % products, % prints matched. Currently % interiors exist at position 0 (will be updated, rest will be inserted)', product_count, print_count, interior_count;
 END $$;
 
@@ -15419,7 +15419,12 @@ UPDATE interiors i
 SET room_id = prm.new_room_id
 FROM print_room_mapping prm
 WHERE i.print_id = prm.printid
-  AND i.position = 0;
+  AND i.position = 0
+  AND NOT EXISTS (
+    SELECT 1 FROM interiors i2
+    WHERE i2.print_id = i.print_id
+    AND i2.room_id = prm.new_room_id
+  );
 
 -- Step 5: Insert new position 0 interiors for prints that don't have them yet
 WITH print_room_mapping AS (
@@ -15450,7 +15455,7 @@ BEGIN
     INNER JOIN interiors i ON i.print_id = pp.printid AND i.position = 0
     INNER JOIN rooms r ON r.name = tru.new_room_name || '_wallpaper_standing'
     WHERE i.room_id = r.id;
-    
+
     RAISE NOTICE 'Verification: Successfully updated/inserted % position 0 interiors with correct room_id', updated_count;
 END $$;