[Fix:SQL] Prevent empty string values in user preferred given name du…

…ring auto feed
Submitty · Jan 21, 2025 · bbb5eae · bbb5eae
1 parent f283997
commit bbb5eae
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/student_auto_feed/ssaf_sql.php b/student_auto_feed/ssaf_sql.php
@@ -58,7 +58,7 @@ class sql {
             CASE WHEN users.user_updated=FALSE
                 AND users.instructor_updated=FALSE
                 AND COALESCE(users.user_preferred_givenname, '')=''
-            THEN EXCLUDED.user_preferred_givenname
+            THEN NULLIF(EXCLUDED.user_preferred_givenname, '')
             ELSE users.user_preferred_givenname
             END,
         user_email=