diff --git a/include/basis_db.class.php b/include/basis_db.class.php
index 5bc200790..e1f3f4dc1 100644
--- a/include/basis_db.class.php
+++ b/include/basis_db.class.php
@@ -23,8 +23,9 @@ abstract class db extends basis
 	abstract function db_field_name($result=null, $i);
 	abstract function db_affected_rows($result=null);
 	abstract function db_last_error();
+	abstract function db_free_result($result=null);	
 }
 
 require_once(DB_SYSTEM.'.class.php');
-
+ 
 ?>
\ No newline at end of file
diff --git a/include/pgsql.class.php b/include/pgsql.class.php
index 51a8c49aa..ec8c31493 100644
--- a/include/pgsql.class.php
+++ b/include/pgsql.class.php
@@ -122,5 +122,17 @@ class basis_db extends db
 		else
 			return pg_field_name($result, $i);
 	}
+
+	function db_free_result($result = null)
+	{
+		if(is_null($result))
+		{
+			return pg_free_result($this->db_result);
+		}
+		else 
+		{
+			return pg_free_result($result);
+		}			
+	}	
 }
 ?>
\ No newline at end of file