"MDL-22297, check if table field exists"

ralferlebach · May 4, 2010 · 3aafe5b · 3aafe5b
1 parent 7e4944c
commit 3aafe5b
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/mod/chat/db/upgrade.php b/mod/chat/db/upgrade.php
@@ -48,7 +48,9 @@ function xmldb_chat_upgrade($oldversion) {
         $field = new xmldb_field('introformat', XMLDB_TYPE_INTEGER, '4', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0', 'intro');
 
     /// Launch add field introformat
-        $dbman->add_field($table, $field);
+        if (!$dbman->field_exists($table, $field)) {
+            $dbman->add_field($table, $field);
+        }
 
     /// chat savepoint reached
         upgrade_mod_savepoint($result, 2010050101, 'chat');