From 5a7e921f707bad4314001ba064bbc168a7e72347 Mon Sep 17 00:00:00 2001
From: Victor Deniz <victor@moodle.com>
Date: Tue, 28 Aug 2018 11:42:01 +0100
Subject: [PATCH] MDL-63255 core_user: fix hardcoded sql table aliases

---
 user/lib.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/user/lib.php b/user/lib.php
index b6af1f3d66d..6a13f0cc24e 100644
--- a/user/lib.php
+++ b/user/lib.php
@@ -1474,7 +1474,7 @@ function user_get_course_lastaccess_sql($accesssince = null, $tableprefix = 'ul'
     if ($accesssince == -1) { // Never.
         return $tableprefix . '.timeaccess = 0';
     } else {
-        return $tableprefix . '.timeaccess != 0 AND ul.timeaccess < ' . $accesssince;
+        return $tableprefix . '.timeaccess != 0 AND ' . $tableprefix . '.timeaccess < ' . $accesssince;
     }
 }
 
@@ -1493,7 +1493,7 @@ function user_get_user_lastaccess_sql($accesssince = null, $tableprefix = 'u') {
     if ($accesssince == -1) { // Never.
         return $tableprefix . '.lastaccess = 0';
     } else {
-        return $tableprefix . '.lastaccess != 0 AND u.lastaccess < ' . $accesssince;
+        return $tableprefix . '.lastaccess != 0 AND ' . $tableprefix . '.lastaccess < ' . $accesssince;
     }
 }