diff --git a/model/DbStatement.php b/model/DbStatement.php
index 30e1142..0386c24 100644
--- a/model/DbStatement.php
+++ b/model/DbStatement.php
@@ -130,6 +130,18 @@ abstract class DbStatement
     /**
      * @param string $field
      */
+    public function fetchColumn($field)
+    {
+        $data = array();
+        while ($row = $this->fetch(Db::FETCH_ASSOC)) {
+            $data[] = $row[$field];
+        }
+        return $data;
+    }
+    
+    /**
+     * @param string $field
+     */
     public function fetchField($field)
     {
         $row = $this->fetch(Db::FETCH_ASSOC);
diff --git a/model/Model.php b/model/Model.php
index 49e7de4..e255a02 100644
--- a/model/Model.php
+++ b/model/Model.php
@@ -117,12 +117,14 @@ abstract class Model implements iCacheable
     }
 
     /**
-     * @param mixed $where
+     * @param int|array $where Int or array ids
      * @return int Number of affected rows
      */
     public function delete($where)
     {
-        if (is_int($where)) {
+        if (is_array($where)) {
+            $where = $this->identify($this->key) . ' IN (' . $this->quote($where) . ')';
+        } else {
             $where = $this->identify($this->key) . '=' . (int) $where;
         }
         return $this->db->delete($this->table(false), $where);