public function implodeBindFields($escapedFields, $glue, $keyPrefix = '')
    {
        if (count($escapedFields) == 0) {
            return false;
        }
        $statement = '';//' WHERE ' . implode(',', $escapedFields) . ' = :' . implode(',', array_keys($fields));
        $first = true;
        foreach ($escapedFields as $key => $value) {
            if ($first) {
                $first = false;
            } else {
                $statement .= $glue;
            }
            $statement .= $value . ' = :' . $keyPrefix . $key;
        }
        return $statement;
    }