webservice MDL-20805 change NOT IN for NOT EXISTS

diff --git a/admin/webservice/forms.php b/admin/webservice/forms.php
index 97217c10a0bd70efb377b252f450ebfc0009ba8f..c352db204c0055b360c9cfcd54959da4bff8a5c5 100644 (file)
--- a/admin/webservice/forms.php
+++ b/admin/webservice/forms.php
@@ -144,7 +144,7 @@ class web_service_token_form extends moodleform {
             //user searchable selector
             $sql = "SELECT user.id, user.firstname, user.lastname
             FROM {user} user
-            WHERE NOT EXISTS ( SELECT adminuser.id
+            WHERE NOT EXISTS ( SELECT 1
                                     FROM {user} adminuser, {role_assignments} rassign
                                     WHERE adminuser.id=user.id AND rassign.roleid = 1 AND rassign.userid = adminuser.id)
             ORDER BY user.lastname";