47 require_once 
'MDB2/Driver/Function/Common.php';
 
   72     function &
executeStoredProc($name, $params = null, $types = null, $result_class = 
true, $result_wrap_class = 
false)
 
   80         $query .= $params ? 
'('.implode(
', ', $params).
')' : 
'()';
 
   81         return $db->query(
$query, $types, $result_class, $result_wrap_class);
 
  111     function now($type = 
'timestamp')
 
  118             return 'TO_CHAR(CURRENT_TIMESTAMP, \'YYYY-MM-DD HH24:MI:SS\')';
 
  131     function substring($value, $position = 1, $length = null)
 
  133         if (!is_null($length)) {
 
  134             return "SUBSTR($value, $position, $length)";
 
  136         return "SUBSTR($value, $position)";
 
  150         return 'dbms_random.value';