From 49022d40e16ffeee00bbaa7da864db7fc0af36db Mon Sep 17 00:00:00 2001
From: stronk7 <stronk7>
Date: Sun, 20 Apr 2008 22:17:29 +0000
Subject: [PATCH] Replace low level $db->Concat() calls to Moodle sql_concat()
 cross-db alternative. MDL-13823 ; backported from HEAD

---
 lib/statslib.php | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/lib/statslib.php b/lib/statslib.php
index 7c6c53d0e45..7d32214c211 100644
--- a/lib/statslib.php
+++ b/lib/statslib.php
@@ -593,33 +593,33 @@ function stats_get_parameters($time,$report,$courseid,$mode,$roleid=0) {
         break;
 
     case STATS_REPORT_READS:
-        $param->fields = $db->Concat('timeend','roleid').' AS uniqueid, timeend, roleid, stat1 as line1';
+        $param->fields = sql_concat('timeend','roleid').' AS uniqueid, timeend, roleid, stat1 as line1';
         $param->fieldscomplete = true; // set this to true to avoid anything adding stuff to the list and breaking complex queries.
         $param->aggregategroupby = 'roleid';
         $param->stattype = 'activity';
         $param->crosstab = true;
         $param->extras = 'GROUP BY timeend,roleid,stat1';
         if ($courseid == SITEID) {
-            $param->fields = $db->Concat('timeend','roleid').' AS uniqueid, timeend, roleid, sum(stat1) as line1';
+            $param->fields = sql_concat('timeend','roleid').' AS uniqueid, timeend, roleid, sum(stat1) as line1';
             $param->extras = 'GROUP BY timeend,roleid';
         }
         break;
 
-    case STATS_REPORT_WRITES: 
-        $param->fields = $db->Concat('timeend','roleid').' AS uniqueid, timeend, roleid, stat2 as line1';
+    case STATS_REPORT_WRITES:
+        $param->fields = sql_concat('timeend','roleid').' AS uniqueid, timeend, roleid, stat2 as line1';
         $param->fieldscomplete = true; // set this to true to avoid anything adding stuff to the list and breaking complex queries.
         $param->aggregategroupby = 'roleid';
         $param->stattype = 'activity';
         $param->crosstab = true;
         $param->extras = 'GROUP BY timeend,roleid,stat2';
         if ($courseid == SITEID) {
-            $param->fields = $db->Concat('timeend','roleid').' AS uniqueid, timeend, roleid, sum(stat2) as line1';
+            $param->fields = sql_concat('timeend','roleid').' AS uniqueid, timeend, roleid, sum(stat2) as line1';
             $param->extras = 'GROUP BY timeend,roleid';
         }
         break;
 
     case STATS_REPORT_ACTIVITY:
-        $param->fields = $db->Concat('timeend','roleid').' AS uniqueid, timeend, roleid, sum(stat1+stat2) as line1';
+        $param->fields = sql_concat('timeend','roleid').' AS uniqueid, timeend, roleid, sum(stat1+stat2) as line1';
         $param->fieldscomplete = true; // set this to true to avoid anything adding stuff to the list and breaking complex queries.
         $param->aggregategroupby = 'roleid';
         $param->stattype = 'activity';