diff --git a/lib/dml/simpletest/testdml.php b/lib/dml/simpletest/testdml.php
index b2ffa6c79ea..9249fcf5eb0 100755
--- a/lib/dml/simpletest/testdml.php
+++ b/lib/dml/simpletest/testdml.php
@@ -3019,16 +3019,15 @@ class dml_test extends UnitTestCase {
 
         $table->add_field('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
         $table->add_field('course', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
+        $table->add_field('name', XMLDB_TYPE_CHAR, '255', null, null, null, null);
         $table->add_field('content', XMLDB_TYPE_TEXT, 'big', XMLDB_UNSIGNED, XMLDB_NOTNULL);
         $table->add_key('primary', XMLDB_KEY_PRIMARY, array('id'));
         $dbman->create_table($table);
 
-        $DB->insert_record($tablename, array('course' => 3, 'content' => 'hello'));
-        $DB->insert_record($tablename, array('course' => 3, 'content' => 'world'));
-        $DB->insert_record($tablename, array('course' => 5, 'content' => 'hello'));
-        $DB->insert_record($tablename, array('course' => 2, 'content' => 'universe'));
-        $DB->insert_record($tablename, array('course' => 7, 'content' => '1'));
-        $DB->insert_record($tablename, array('course' => 7, 'content' => '2'));
+        $DB->insert_record($tablename, array('course' => 3, 'content' => 'hello', 'name'=>'xyz'));
+        $DB->insert_record($tablename, array('course' => 3, 'content' => 'world', 'name'=>'abc'));
+        $DB->insert_record($tablename, array('course' => 5, 'content' => 'hello', 'name'=>'def'));
+        $DB->insert_record($tablename, array('course' => 2, 'content' => 'universe', 'name'=>'abc'));
 
         // we have sql like this in moodle, this syntax breaks on older versions of sqlite for example..
         $sql = "SELECT a.id AS id, a.course AS course
@@ -3048,10 +3047,15 @@ class dml_test extends UnitTestCase {
         // test int x string comparison
         $sql = "SELECT *
                   FROM {{$tablename}} c
-                 WHERE content = ?";
-        $records1 = $DB->get_records_sql($sql, array(1));
-        $records2 = $DB->get_records_sql($sql, array("1"));
-        $this->assertEqual(count($records1), count($records2));
+                 WHERE name = ?";
+        $this->assertEqual(count($DB->get_records_sql($sql, array(10))), 0);
+        $this->assertEqual(count($DB->get_records_sql($sql, array("10"))), 0);
+        $DB->insert_record($tablename, array('course' => 7, 'content' => 'xx', 'name'=>'1'));
+        $DB->insert_record($tablename, array('course' => 7, 'content' => 'yy', 'name'=>'2'));
+        $this->assertEqual(count($DB->get_records_sql($sql, array(1))), 1);
+        $this->assertEqual(count($DB->get_records_sql($sql, array("1"))), 1);
+        $this->assertEqual(count($DB->get_records_sql($sql, array(10))), 0);
+        $this->assertEqual(count($DB->get_records_sql($sql, array("10"))), 0);
     }
 
     function test_onelevel_commit() {