* fix the error when parent module doesn't exits.

2010-02-19 09:00:29 +00:00
parent d852a210f6
commit 800bfd9f84
1 changed files with 1 additions and 0 deletions
--- a/trunk/module/tree/model.php
+++ b/trunk/module/tree/model.php
@@ -192,6 +192,7 @@ class treeModel extends model
        $sql  = "SELECT path FROM " . TABLE_MODULE . " WHERE id = '$moduleID'";
        $path = $this->dbh->query($sql)->fetchColumn();
        $path = substr($path, 1, -1);
+        if(!$path) return array();
        $sql = "SELECT * FROM " . TABLE_MODULE . " WHERE id IN($path) ORDER BY grade";
        $parents = $this->dbh->query($sql)->fetchAll();
        return $parents;