From dbfe4150281a76cb98e5299bdba012328eea9f45 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20S=CC=8Ckoda?= <commits@skodak.org>
Date: Sat, 15 Dec 2012 11:13:10 +0100
Subject: [PATCH] MDL-36597 strip '_utf8' from all course.lang fields

---
 lib/db/upgrade.php | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/lib/db/upgrade.php b/lib/db/upgrade.php
index 7dee7a77347..f3f33290834 100644
--- a/lib/db/upgrade.php
+++ b/lib/db/upgrade.php
@@ -1517,5 +1517,19 @@ function xmldb_main_upgrade($oldversion) {
         upgrade_main_savepoint(true, 2012120300.01);
     }
 
+    if ($oldversion < 2012120300.04) {
+        // Remove "_utf8" suffix from all langs in course table.
+        $langs = $DB->get_records_sql("SELECT DISTINCT lang FROM {course} WHERE lang LIKE ?", array('%_utf8'));
+
+        foreach ($langs as $lang=>$unused) {
+            $newlang = str_replace('_utf8', '', $lang);
+            $sql = "UPDATE {course} SET lang = :newlang WHERE lang = :lang";
+            $DB->execute($sql, array('newlang'=>$newlang, 'lang'=>$lang));
+        }
+
+        // Main savepoint reached.
+        upgrade_main_savepoint(true, 2012120300.04);
+    }
+
     return true;
 }