From: stronk7 <stronk7>
Date: Sun, 30 Aug 2009 20:53:12 +0000 (+0000)
Subject: Concatenating NULLs with anything returns NULL
X-Git-Url: http://git.mjollnir.org/gw?a=commitdiff_plain;h=38d0db9f31692a19257f78930bcfb240f12aa27c;p=moodle.git

Concatenating NULLs with anything returns NULL
---

diff --git a/lib/dml/simpletest/testdml.php b/lib/dml/simpletest/testdml.php
index 056f77f466..50d108f4c7 100755
--- a/lib/dml/simpletest/testdml.php
+++ b/lib/dml/simpletest/testdml.php
@@ -1704,7 +1704,7 @@ class dml_test extends UnitTestCase {
         $this->assertEqual('123.45test', $DB->get_field_sql($sql, $params));
         // float, null and strings
         $params = array(123.45, null, 'test');
-        $this->assertEqual('123.45test', $DB->get_field_sql($sql, $params));
+        $this->assertNull($DB->get_field_sql($sql, $params)); // Concatenate NULL with anything result = NULL
 
         /// Testing fieldnames + values
         $table = $this->get_test_table();