/**
* Walk $this->attrs array
* and return a set of $k=$v
* to be used in an update stmt
*
* @param $k string array key
* @param $v string array value
* @return void
*/
private function escape(&$value, $key)
{
$db = DB::getInstance();
$type = DataMapping::getDataType($this->table['table'], $key);
if ($type == 'string') {
if ($value == 'null' || $value == '') {
$value = 'null';
} else {
$value = "'" . $db->db_escape_string($value) . "'";
}
} else {
$value = $value == '' || is_null($value) ? 'NULL' : $value;
}
}
