Fixed DataSync crashing when an UPDATE query is executed that doesn't…

… change any values
digitallyinduced · Jan 30, 2023 · e31d7b8 · e31d7b8
1 parent a0a4724
commit e31d7b8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/IHP/DataSync/ChangeNotifications.hs b/IHP/DataSync/ChangeNotifications.hs
@@ -55,7 +55,7 @@ createNotificationFunction table = [i|
                 BEGIN
                     CASE TG_OP
                     WHEN 'UPDATE' THEN
-                        SELECT json_agg(row_to_json(t))
+                        SELECT coalesce(json_agg(row_to_json(t)), '[]'::json)
                                 FROM (
                                       SELECT pre.key AS "col", post.value AS "new"
                                       FROM jsonb_each(to_jsonb(OLD)) AS pre