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277 lines
9.3 KiB
277 lines
9.3 KiB
2 years ago
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<?php
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declare(strict_types=1);
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namespace PhpMyAdmin\Controllers\View;
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use PhpMyAdmin\Controllers\AbstractController;
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use PhpMyAdmin\Controllers\Table\StructureController;
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use PhpMyAdmin\DatabaseInterface;
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use PhpMyAdmin\Html\Generator;
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use PhpMyAdmin\Message;
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use PhpMyAdmin\ResponseRenderer;
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use PhpMyAdmin\SqlParser\Parser;
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use PhpMyAdmin\SqlParser\Statements\CreateStatement;
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use PhpMyAdmin\SqlParser\TokensList;
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use PhpMyAdmin\Template;
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use PhpMyAdmin\Url;
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use PhpMyAdmin\Util;
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use function __;
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use function array_merge;
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use function explode;
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use function htmlspecialchars;
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use function in_array;
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use function is_array;
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use function is_string;
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use function sprintf;
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use function str_contains;
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use function substr;
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/**
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* Handles creation of VIEWs.
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*/
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class CreateController extends AbstractController
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{
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/** @var DatabaseInterface */
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private $dbi;
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public function __construct(ResponseRenderer $response, Template $template, DatabaseInterface $dbi)
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{
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parent::__construct($response, $template);
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$this->dbi = $dbi;
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}
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public function __invoke(): void
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{
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global $text_dir, $urlParams, $view_algorithm_options, $view_with_options, $view_security_options;
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global $message, $sep, $sql_query, $arr, $view_columns, $column_map, $systemDb, $pma_transformation_data;
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global $containerBuilder, $new_transformations_sql, $view, $item, $parts, $db, $cfg, $errorUrl;
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Util::checkParameters(['db']);
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$errorUrl = Util::getScriptNameForOption($cfg['DefaultTabDatabase'], 'database');
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$errorUrl .= Url::getCommon(['db' => $db], '&');
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if (! $this->hasDatabase()) {
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return;
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}
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$urlParams['goto'] = Url::getFromRoute('/table/structure');
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$urlParams['back'] = Url::getFromRoute('/view/create');
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$view_algorithm_options = [
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'UNDEFINED',
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'MERGE',
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'TEMPTABLE',
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];
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$view_with_options = [
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'CASCADED',
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'LOCAL',
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];
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$view_security_options = [
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'DEFINER',
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'INVOKER',
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];
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// View name is a compulsory field
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if (isset($_POST['view']['name']) && empty($_POST['view']['name'])) {
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$message = Message::error(__('View name can not be empty!'));
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$this->response->addJSON('message', $message);
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$this->response->setRequestStatus(false);
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return;
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}
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if (isset($_POST['createview']) || isset($_POST['alterview'])) {
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/**
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* Creates the view
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*/
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$sep = "\r\n";
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if (isset($_POST['createview'])) {
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$sql_query = 'CREATE';
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if (isset($_POST['view']['or_replace'])) {
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$sql_query .= ' OR REPLACE';
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}
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} else {
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$sql_query = 'ALTER';
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}
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if (isset($_POST['view']['algorithm']) && in_array($_POST['view']['algorithm'], $view_algorithm_options)) {
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$sql_query .= $sep . ' ALGORITHM = ' . $_POST['view']['algorithm'];
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}
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if (! empty($_POST['view']['definer'])) {
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if (! str_contains($_POST['view']['definer'], '@')) {
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$sql_query .= $sep . 'DEFINER='
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. Util::backquote($_POST['view']['definer']);
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} else {
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$arr = explode('@', $_POST['view']['definer']);
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$sql_query .= $sep . 'DEFINER=' . Util::backquote($arr[0]);
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$sql_query .= '@' . Util::backquote($arr[1]) . ' ';
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}
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}
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if (
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isset($_POST['view']['sql_security'])
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&& in_array($_POST['view']['sql_security'], $view_security_options)
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) {
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$sql_query .= $sep . ' SQL SECURITY '
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. $_POST['view']['sql_security'];
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}
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$sql_query .= $sep . ' VIEW '
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. Util::backquote($_POST['view']['name']);
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if (! empty($_POST['view']['column_names'])) {
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$sql_query .= $sep . ' (' . $_POST['view']['column_names'] . ')';
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}
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$sql_query .= $sep . ' AS ' . $_POST['view']['as'];
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if (isset($_POST['view']['with']) && in_array($_POST['view']['with'], $view_with_options)) {
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$sql_query .= $sep . ' WITH ' . $_POST['view']['with'] . ' CHECK OPTION';
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}
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if (! $this->dbi->tryQuery($sql_query)) {
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if (! isset($_POST['ajax_dialog'])) {
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$message = Message::rawError($this->dbi->getError());
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return;
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}
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$this->response->addJSON(
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'message',
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Message::error(
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'<i>' . htmlspecialchars($sql_query) . '</i><br><br>'
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. $this->dbi->getError()
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)
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);
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$this->response->setRequestStatus(false);
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return;
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}
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// If different column names defined for VIEW
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$view_columns = [];
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if (isset($_POST['view']['column_names'])) {
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$view_columns = explode(',', $_POST['view']['column_names']);
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}
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$column_map = $this->dbi->getColumnMapFromSql($_POST['view']['as'], $view_columns);
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$systemDb = $this->dbi->getSystemDatabase();
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$pma_transformation_data = $systemDb->getExistingTransformationData($db);
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if ($pma_transformation_data !== false) {
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// SQL for store new transformation details of VIEW
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$new_transformations_sql = $systemDb->getNewTransformationDataSql(
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$pma_transformation_data,
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$column_map,
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$_POST['view']['name'],
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$db
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);
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// Store new transformations
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if ($new_transformations_sql != '') {
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$this->dbi->tryQuery($new_transformations_sql);
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}
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}
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unset($pma_transformation_data);
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if (! isset($_POST['ajax_dialog'])) {
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$message = Message::success();
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/** @var StructureController $controller */
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$controller = $containerBuilder->get(StructureController::class);
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$controller();
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} else {
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$this->response->addJSON(
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'message',
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Generator::getMessage(
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Message::success(),
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$sql_query
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)
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);
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$this->response->setRequestStatus(true);
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}
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return;
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}
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$sql_query = ! empty($_POST['sql_query']) ? $_POST['sql_query'] : '';
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// prefill values if not already filled from former submission
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$view = [
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'operation' => 'create',
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'or_replace' => '',
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'algorithm' => '',
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'definer' => '',
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'sql_security' => '',
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'name' => '',
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'column_names' => '',
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'as' => $sql_query,
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'with' => '',
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];
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// Used to prefill the fields when editing a view
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if (isset($_GET['db'], $_GET['table'])) {
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$item = $this->dbi->fetchSingleRow(
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sprintf(
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"SELECT `VIEW_DEFINITION`, `CHECK_OPTION`, `DEFINER`,
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`SECURITY_TYPE`
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FROM `INFORMATION_SCHEMA`.`VIEWS`
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WHERE TABLE_SCHEMA='%s'
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AND TABLE_NAME='%s';",
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$this->dbi->escapeString($_GET['db']),
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$this->dbi->escapeString($_GET['table'])
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)
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);
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$createView = $this->dbi->getTable($_GET['db'], $_GET['table'])
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->showCreate();
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// CREATE ALGORITHM=<ALGORITHM> DE...
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$parts = explode(' ', substr($createView, 17));
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$item['ALGORITHM'] = $parts[0];
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$view['operation'] = 'alter';
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$view['definer'] = $item['DEFINER'];
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$view['sql_security'] = $item['SECURITY_TYPE'];
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$view['name'] = $_GET['table'];
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$view['as'] = $item['VIEW_DEFINITION'];
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$view['with'] = $item['CHECK_OPTION'];
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$view['algorithm'] = $item['ALGORITHM'];
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// MySQL 8.0+ - issue #16194
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if (empty($view['as']) && is_string($createView)) {
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$parser = new Parser($createView);
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/**
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* @var CreateStatement $stmt
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*/
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$stmt = $parser->statements[0];
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$view['as'] = isset($stmt->body) ? TokensList::build($stmt->body) : $view['as'];
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}
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}
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if (isset($_POST['view']) && is_array($_POST['view'])) {
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$view = array_merge($view, $_POST['view']);
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}
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$urlParams['db'] = $db;
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$urlParams['reload'] = 1;
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echo $this->template->render('view_create', [
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'ajax_dialog' => isset($_POST['ajax_dialog']),
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'text_dir' => $text_dir,
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'url_params' => $urlParams,
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'view' => $view,
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'view_algorithm_options' => $view_algorithm_options,
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'view_with_options' => $view_with_options,
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'view_security_options' => $view_security_options,
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]);
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}
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}
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