From 10bbc95e03cb8fa64cc059ca8ccc4f9a9edcf632 Mon Sep 17 00:00:00 2001
From: Shamim Rezaie <shamim@moodle.com>
Date: Sat, 27 Oct 2018 02:15:07 +1100
Subject: [PATCH] MDL-63785 profilefield_text: performance improvement

---
 .../field/text/classes/privacy/provider.php    | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/user/profile/field/text/classes/privacy/provider.php b/user/profile/field/text/classes/privacy/provider.php
index 87c3ed46825..ae2b0bfaa60 100644
--- a/user/profile/field/text/classes/privacy/provider.php
+++ b/user/profile/field/text/classes/privacy/provider.php
@@ -95,22 +95,18 @@ class provider implements
             return;
         }
 
-        $params = [
-            'contextuser' => CONTEXT_USER,
-            'contextid' => $context->id,
-            'datatype' => 'text'
-        ];
-
-        $sql = "SELECT ctx.instanceid as userid
+        $sql = "SELECT uda.userid
                   FROM {user_info_data} uda
                   JOIN {user_info_field} uif
                        ON uda.fieldid = uif.id
-                  JOIN {context} ctx
-                       ON ctx.instanceid = uda.userid
-                       AND ctx.contextlevel = :contextuser
-                 WHERE ctx.id = :contextid
+                 WHERE uda.userid = :userid
                        AND uif.datatype = :datatype";
 
+        $params = [
+            'userid' => $context->instanceid,
+            'datatype' => 'text'
+        ];
+
         $userlist->add_from_sql('userid', $sql, $params);
     }