94 lines
2.5 KiB
PHP
94 lines
2.5 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
declare(strict_types=1);
|
||
|
|
|
||
|
|
namespace PhpMyAdmin\Controllers\Import;
|
||
|
|
|
||
|
|
use PhpMyAdmin\Controllers\AbstractController;
|
||
|
|
use PhpMyAdmin\Import\SimulateDml;
|
||
|
|
use PhpMyAdmin\Message;
|
||
|
|
use PhpMyAdmin\ResponseRenderer;
|
||
|
|
use PhpMyAdmin\SqlParser\Parser;
|
||
|
|
use PhpMyAdmin\SqlParser\Statements\DeleteStatement;
|
||
|
|
use PhpMyAdmin\SqlParser\Statements\UpdateStatement;
|
||
|
|
use PhpMyAdmin\SqlParser\Utils\Query;
|
||
|
|
use PhpMyAdmin\Template;
|
||
|
|
|
||
|
|
use function __;
|
||
|
|
use function count;
|
||
|
|
use function explode;
|
||
|
|
|
||
|
|
final class SimulateDmlController extends AbstractController
|
||
|
|
{
|
||
|
|
/** @var SimulateDml */
|
||
|
|
private $simulateDml;
|
||
|
|
|
||
|
|
public function __construct(
|
||
|
|
ResponseRenderer $response,
|
||
|
|
Template $template,
|
||
|
|
SimulateDml $simulateDml
|
||
|
|
) {
|
||
|
|
parent::__construct($response, $template);
|
||
|
|
$this->simulateDml = $simulateDml;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function __invoke(): void
|
||
|
|
{
|
||
|
|
$error = '';
|
||
|
|
$errorMsg = __('Only single-table UPDATE and DELETE queries can be simulated.');
|
||
|
|
/** @var string $sqlDelimiter */
|
||
|
|
$sqlDelimiter = $_POST['sql_delimiter'];
|
||
|
|
$sqlData = [];
|
||
|
|
/** @var string[] $queries */
|
||
|
|
$queries = explode($sqlDelimiter, $GLOBALS['sql_query']);
|
||
|
|
foreach ($queries as $sqlQuery) {
|
||
|
|
if (empty($sqlQuery)) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Parsing the query.
|
||
|
|
$parser = new Parser($sqlQuery);
|
||
|
|
|
||
|
|
if (empty($parser->statements[0])) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$statement = $parser->statements[0];
|
||
|
|
|
||
|
|
if (
|
||
|
|
! ($statement instanceof UpdateStatement || $statement instanceof DeleteStatement)
|
||
|
|
|| ! empty($statement->join)
|
||
|
|
) {
|
||
|
|
$error = $errorMsg;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
$tables = Query::getTables($statement);
|
||
|
|
if (count($tables) > 1) {
|
||
|
|
$error = $errorMsg;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get the matched rows for the query.
|
||
|
|
$result = $this->simulateDml->getMatchedRows($sqlQuery, $parser, $statement);
|
||
|
|
$error = $this->simulateDml->getError();
|
||
|
|
|
||
|
|
if ($error !== '') {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
$sqlData[] = $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($error) {
|
||
|
|
$message = Message::rawError($error);
|
||
|
|
$this->response->addJSON('message', $message);
|
||
|
|
$this->response->addJSON('sql_data', false);
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->response->addJSON('sql_data', $sqlData);
|
||
|
|
}
|
||
|
|
}
|