/**
* 更新文件meta信息
* @param string $file_path
* @param string $meta_key
* @param string $meta_value
*/
public static function updateFileMeta($file_path, $meta_key, $meta_value)
{
$meta_value = CUtils::real_escape_string($meta_value);
$sql = "UPDATE " . DB_PREFIX . "_file_metas ";
$sql .= "SET meta_value = '{$meta_value}', updated_at = now() ";
$sql .= "WHERE file_path=\"{$file_path}\" AND meta_key=\"{$meta_key}\"";
$db_manager = MDbManager::getInstance();
return $db_manager->updateDb($sql);
}
