From cd62c520e23cf122daaf9db2c2924055c9f35897 Mon Sep 17 00:00:00 2001
From: Shamim Rezaie <shamim@moodle.com>
Date: Fri, 20 Dec 2019 01:20:12 +1100
Subject: [PATCH] MDL-67151 qtype_numerical: convert the tolerance to string
 before saving

Fix the sqlserver issue when saving a number into a text field
---
 question/type/numerical/questiontype.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/question/type/numerical/questiontype.php b/question/type/numerical/questiontype.php
index 6f39b42e5ce..6e2a89a94c3 100644
--- a/question/type/numerical/questiontype.php
+++ b/question/type/numerical/questiontype.php
@@ -225,6 +225,7 @@ class qtype_numerical extends question_type {
                 if ($options->tolerance === false) {
                     $result->notice = get_string('invalidnumerictolerance', 'qtype_numerical');
                 }
+                $options->tolerance = (string)$options->tolerance;
             }
             if (isset($options->id)) {
                 $DB->update_record('question_numerical', $options);