Index: openacs-4/packages/notifications/tcl/notification-request-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/notifications/tcl/notification-request-procs.tcl,v
diff -u -N -r1.14.2.1 -r1.14.2.2
--- openacs-4/packages/notifications/tcl/notification-request-procs.tcl	28 Dec 2021 11:40:24 -0000	1.14.2.1
+++ openacs-4/packages/notifications/tcl/notification-request-procs.tcl	12 Jul 2022 14:15:11 -0000	1.14.2.2
@@ -67,7 +67,12 @@
     } {
         returns true if at least one request exists for this object and type
     } {
-        return [expr { [db_string request_count {}] > 0 }]
+        return [db_0or1row exists {
+            select 1 from notification_requests
+            where type_id = :type_id
+            and object_id = :object_id
+            fetch first 1 rows only
+        }]
     }
 
     ad_proc -public request_count {
Index: openacs-4/packages/notifications/tcl/notification-request-procs.xql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/notifications/tcl/notification-request-procs.xql,v
diff -u -N -r1.7 -r1.7.14.1
--- openacs-4/packages/notifications/tcl/notification-request-procs.xql	12 Sep 2006 18:13:38 -0000	1.7
+++ openacs-4/packages/notifications/tcl/notification-request-procs.xql	12 Jul 2022 14:15:11 -0000	1.7.14.1
@@ -12,15 +12,6 @@
         </querytext>
     </fullquery>
 
-    <fullquery name="notification::request::request_exists.request_count">
-        <querytext>
-            select count(*)
-            from notification_requests
-            where type_id = :type_id
-            and object_id = :object_id
-        </querytext>
-    </fullquery>
-
     <fullquery name="notification::request::request_count.request_count">
         <querytext>
             select count(*)