From 3a639a594200cd53744ff45d6d951be2f3f38b79 Mon Sep 17 00:00:00 2001
From: anthonydb <anthonymdebarros@gmail.com>
Date: Sun, 16 May 2021 14:55:38 -0400
Subject: [PATCH] Minor update Chapter 17

---
 Chapter_17/Chapter_17.sql | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Chapter_17/Chapter_17.sql b/Chapter_17/Chapter_17.sql
index 4b2471d..ecb63c2 100644
--- a/Chapter_17/Chapter_17.sql
+++ b/Chapter_17/Chapter_17.sql
@@ -270,7 +270,7 @@ BEGIN
          OLD.grade,
          NEW.grade);
     END IF;
-    RETURN NEW;
+    RETURN NULL;
 END;
 $$ LANGUAGE plpgsql;