public function insertBatchTSVFiles(string $tableName, $fileNames, array $columns = [])
    {
        return $this->insertBatchFiles($tableName, $fileNames, $columns, 'TabSeparated');
    }
public function insertBatchTSVFiles(string $tableName, $fileNames, array $columns = [])
    {
        return $this->insertBatchFiles($tableName, $fileNames, $columns, 'TabSeparated');
    }
public function insertBatchTSVFiles ( string $ tableName , $ fileNames , array $ columns = [ ] ) { return $ this -> insertBatchFiles ( $ tableName , $ fileNames , $ columns , 'TabSeparated' ) ; }
insert TabSeparated files

@param string|string[] $fileNames
@param string[]        $columns
@return mixed
insert TabSeparated files