MDL-1883 - /course/scales.php very slow. "Backported" the fix by Petr from 1.9 to 1.8. Not a direct merge as the code has been refactored.

mod/assignment/lib.php

@@ -1980,6 +1980,16 @@ function assignment_scale_used ($assignmentid, $scaleid) {
     return $return;
 }
 
+/**
+ * Returns true if the scale is in use in the system.
+ *
+ * @param $scaleid int The scale to be counted.
+ * @return boolean
+ */
+function assignment_scale_used_anywhere($scaleid) {
+    return record_exists("assignment","grade","-$scaleid");
+}
+
 /**
  * Make sure up-to-date events are created for all assignment instances
  *

mod/forum/lib.php

@@ -1222,6 +1222,16 @@ function forum_scale_used ($forumid,$scaleid) {
     return $return;
 }
 
+/**
+ * Returns true if the scale is in use in the system.
+ *
+ * @param $scaleid int The scale to be counted.
+ * @return boolean
+ */
+function forum_scale_used_anywhere($scaleid) {
+    return record_exists("forum","scale","-$scaleid");
+}
+
 // SQL FUNCTIONS ///////////////////////////////////////////////////////////
 
 /**

mod/glossary/lib.php

@@ -401,6 +401,16 @@ function glossary_scale_used ($glossaryid,$scaleid) {
     return $return;
 }
 
+/**
+ * Returns true if the scale is in use in the system.
+ *
+ * @param $scaleid int The scale to be counted.
+ * @return boolean
+ */
+function glossary_scale_used_anywhere($scaleid) {
+    return record_exists("glossary","scale","-$scaleid");
+}
+
 //////////////////////////////////////////////////////////////////////////////////////
 /// Any other glossary functions go here.  Each of them must have a name that
 /// starts with glossary_

mod/hotpot/lib.php

@@ -1225,6 +1225,17 @@ function hotpot_scale_used ($hotpotid, $scaleid) {
     return $report;
 }
 
+/**
+ * Returns true if the scale is in use in the system.
+ *
+ * @param $scaleid int The scale to be counted.
+ * @return boolean
+ */
+function hotpot_scale_used_anywhere($scaleid) {
+//    return record_exists("hotpot","scale","-$scaleid");
+    return false; // Scales are not used by Hotpot module
+}
+
 //////////////////////////////////////////////////////////
 /// Any other hotpot functions go here.
 /// Each of them must have a name that starts with hotpot

mod/journal/lib.php

@@ -307,6 +307,16 @@ function journal_scale_used ($journalid,$scaleid) {
     return $return;
 }
 
+/**
+ * Returns true if the scale is in use in the system.
+ *
+ * @param $scaleid int The scale to be counted.
+ * @return boolean
+ */
+function journal_scale_used_anywhere($scaleid) {
+    return record_exists("journal","assessed","-$scaleid");
+}
+
 // SQL FUNCTIONS ///////////////////////////////////////////////////////////////////
 
 function journal_get_users_done($journal) {

mod/lams/lib.php

@@ -140,6 +140,17 @@ function lams_scale_used ($lamsid,$scaleid) {
   return $return;
 }
 
+/**
+ * Returns true if the scale is in use in the system.
+ *
+ * @param $scaleid int The scale to be counted.
+ * @return boolean
+ */
+function lams_scale_used_anywhere($scaleid) {
+//    return record_exists("lams","scale","-$scaleid");
+    return false;
+}
+
 //////////////////////////////////////////////////////////////////////////////////////
 /// Any other lams functions go here.  Each of them must have a name that
 /// starts with lams_