PMA\libraries\plugins\export\ExportSql::generateComment PHP Метод

    protected function generateComment($crlf, $sql_statement, $comment1, $comment2, $table_alias, $compat)
    {
        if (!isset($sql_statement)) {
            if (isset($GLOBALS['no_constraints_comments'])) {
                $sql_statement = '';
            } else {
                $sql_statement = $crlf . $this->_exportComment() . $this->_exportComment($comment1) . $this->_exportComment();
            }
        }
        // comments for current table
        if (!isset($GLOBALS['no_constraints_comments'])) {
            $sql_statement .= $crlf . $this->_exportComment() . $this->_exportComment($comment2 . ' ' . Util::backquoteCompat($table_alias, $compat, isset($GLOBALS['sql_backquotes']))) . $this->_exportComment();
        }
        return $sql_statement;
    }