From: stronk7 <stronk7>
Date: Fri, 26 Jan 2007 21:28:48 +0000 (+0000)
Subject: Adding two helper functions and modify upgrade to
X-Git-Url: http://git.mjollnir.org/gw?a=commitdiff_plain;h=7039d93c319fa2e4a996030de8799e218a6c6f63;p=moodle.git

Adding two helper functions and modify upgrade to
work properly under MSSQL and Oracle. MDL-8303

Merged from MOODLE_17_STABLE
---

diff --git a/question/type/numerical/db/upgrade.php b/question/type/numerical/db/upgrade.php
index 05dab091e1..d01a86e1a4 100644
--- a/question/type/numerical/db/upgrade.php
+++ b/question/type/numerical/db/upgrade.php
@@ -27,7 +27,7 @@ function xmldb_qtype_numerical_upgrade($oldversion=0) {
     // from the empty string to *, to be like short answer questions.
     if ($result && $oldversion < 2006121500) {
         $result = set_field_select('question_answers', 'answer', '*',
-                "answer = '' AND question IN (SELECT id FROM {$CFG->prefix}question WHERE qtype = '" . NUMERICAL . "')");
+            sql_compare_text('answer') . " = '" . sql_empty() . "' AND question IN (SELECT id FROM {$CFG->prefix}question WHERE qtype = '" . NUMERICAL . "')");
     }
 
     return $result;