508 lines
16 KiB
PHP
508 lines
16 KiB
PHP
<?php
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/**
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* Holds the PhpMyAdmin\Controllers\Server\DatabasesController
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*/
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declare(strict_types=1);
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namespace PhpMyAdmin\Controllers\Server;
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use PhpMyAdmin\Charsets;
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use PhpMyAdmin\Charsets\Charset;
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use PhpMyAdmin\Charsets\Collation;
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use PhpMyAdmin\CheckUserPrivileges;
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use PhpMyAdmin\Common;
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use PhpMyAdmin\Controllers\AbstractController;
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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\RelationCleanup;
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use PhpMyAdmin\ReplicationInfo;
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use PhpMyAdmin\Response;
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use PhpMyAdmin\Template;
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use PhpMyAdmin\Transformations;
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use PhpMyAdmin\Url;
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use PhpMyAdmin\Util;
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use function array_key_exists;
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use function array_keys;
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use function array_search;
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use function count;
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use function explode;
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use function in_array;
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use function mb_strlen;
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use function mb_strtolower;
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use function strlen;
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use function strpos;
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/**
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* Handles viewing and creating and deleting databases
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*/
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class DatabasesController extends AbstractController
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{
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/** @var array array of database details */
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private $databases = [];
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/** @var int number of databases */
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private $databaseCount = 0;
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/** @var string sort by column */
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private $sortBy;
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/** @var string sort order of databases */
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private $sortOrder;
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/** @var bool whether to show database statistics */
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private $hasStatistics;
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/** @var int position in list navigation */
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private $position;
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/** @var Transformations */
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private $transformations;
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/** @var RelationCleanup */
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private $relationCleanup;
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/**
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* @param Response $response Response object
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* @param DatabaseInterface $dbi DatabaseInterface object
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* @param Template $template Template that should be used (if provided, default one otherwise)
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* @param Transformations $transformations Transformations instance.
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* @param RelationCleanup $relationCleanup RelationCleanup instance.
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*/
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public function __construct(
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$response,
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$dbi,
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Template $template,
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Transformations $transformations,
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RelationCleanup $relationCleanup
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) {
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parent::__construct($response, $dbi, $template);
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$this->transformations = $transformations;
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$this->relationCleanup = $relationCleanup;
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$checkUserPrivileges = new CheckUserPrivileges($dbi);
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$checkUserPrivileges->getPrivileges();
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}
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public function index(): void
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{
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global $cfg, $server, $dblist, $is_create_db_priv;
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global $replication_info, $db_to_create, $pmaThemeImage, $text_dir;
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$params = [
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'statistics' => $_REQUEST['statistics'] ?? null,
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'pos' => $_REQUEST['pos'] ?? null,
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'sort_by' => $_REQUEST['sort_by'] ?? null,
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'sort_order' => $_REQUEST['sort_order'] ?? null,
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];
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$header = $this->response->getHeader();
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$scripts = $header->getScripts();
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$scripts->addFile('server/databases.js');
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Common::server();
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ReplicationInfo::load();
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$this->setSortDetails($params['sort_by'], $params['sort_order']);
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$this->hasStatistics = ! empty($params['statistics']);
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$this->position = ! empty($params['pos']) ? (int) $params['pos'] : 0;
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/**
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* Gets the databases list
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*/
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if ($server > 0) {
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$this->databases = $this->dbi->getDatabasesFull(
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null,
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$this->hasStatistics,
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DatabaseInterface::CONNECT_USER,
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$this->sortBy,
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$this->sortOrder,
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$this->position,
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true
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);
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$this->databaseCount = count($dblist->databases);
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}
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$urlParams = [
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'statistics' => $this->hasStatistics,
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'pos' => $this->position,
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'sort_by' => $this->sortBy,
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'sort_order' => $this->sortOrder,
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];
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$databases = $this->getDatabases($replication_types ?? []);
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$charsetsList = [];
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if ($cfg['ShowCreateDb'] && $is_create_db_priv) {
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$charsets = Charsets::getCharsets($this->dbi, $cfg['Server']['DisableIS']);
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$collations = Charsets::getCollations($this->dbi, $cfg['Server']['DisableIS']);
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$serverCollation = $this->dbi->getServerCollation();
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/** @var Charset $charset */
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foreach ($charsets as $charset) {
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$collationsList = [];
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/** @var Collation $collation */
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foreach ($collations[$charset->getName()] as $collation) {
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$collationsList[] = [
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'name' => $collation->getName(),
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'description' => $collation->getDescription(),
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'is_selected' => $serverCollation === $collation->getName(),
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];
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}
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$charsetsList[] = [
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'name' => $charset->getName(),
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'description' => $charset->getDescription(),
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'collations' => $collationsList,
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];
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}
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}
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$headerStatistics = $this->getStatisticsColumns();
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$this->render('server/databases/index', [
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'is_create_database_shown' => $cfg['ShowCreateDb'],
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'has_create_database_privileges' => $is_create_db_priv,
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'has_statistics' => $this->hasStatistics,
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'database_to_create' => $db_to_create,
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'databases' => $databases['databases'],
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'total_statistics' => $databases['total_statistics'],
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'header_statistics' => $headerStatistics,
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'charsets' => $charsetsList,
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'database_count' => $this->databaseCount,
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'pos' => $this->position,
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'url_params' => $urlParams,
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'max_db_list' => $cfg['MaxDbList'],
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'has_master_replication' => $replication_info['master']['status'],
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'has_slave_replication' => $replication_info['slave']['status'],
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'is_drop_allowed' => $this->dbi->isSuperuser() || $cfg['AllowUserDropDatabase'],
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'pma_theme_image' => $pmaThemeImage,
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'text_dir' => $text_dir,
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]);
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}
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public function create(): void
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{
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global $cfg, $db;
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$params = [
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'new_db' => $_POST['new_db'] ?? null,
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'db_collation' => $_POST['db_collation'] ?? null,
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];
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if (! isset($params['new_db']) || mb_strlen($params['new_db']) === 0 || ! $this->response->isAjax()) {
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$this->response->addJSON(['message' => Message::error()]);
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return;
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}
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// lower_case_table_names=1 `DB` becomes `db`
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if ($this->dbi->getLowerCaseNames() === '1') {
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$params['new_db'] = mb_strtolower(
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$params['new_db']
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);
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}
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/**
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* Builds and executes the db creation sql query
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*/
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$sqlQuery = 'CREATE DATABASE ' . Util::backquote($params['new_db']);
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if (! empty($params['db_collation'])) {
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[$databaseCharset] = explode('_', $params['db_collation']);
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$charsets = Charsets::getCharsets(
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$this->dbi,
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$cfg['Server']['DisableIS']
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);
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$collations = Charsets::getCollations(
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$this->dbi,
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$cfg['Server']['DisableIS']
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);
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if (array_key_exists($databaseCharset, $charsets)
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&& array_key_exists($params['db_collation'], $collations[$databaseCharset])
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) {
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$sqlQuery .= ' DEFAULT'
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. Util::getCharsetQueryPart($params['db_collation']);
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}
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}
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$sqlQuery .= ';';
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$result = $this->dbi->tryQuery($sqlQuery);
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if (! $result) {
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// avoid displaying the not-created db name in header or navi panel
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$db = '';
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$message = Message::rawError($this->dbi->getError());
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$json = ['message' => $message];
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$this->response->setRequestStatus(false);
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} else {
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$db = $params['new_db'];
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$message = Message::success(__('Database %1$s has been created.'));
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$message->addParam($params['new_db']);
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$scriptName = Util::getScriptNameForOption(
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$cfg['DefaultTabDatabase'],
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'database'
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);
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$json = [
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'message' => $message,
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'sql_query' => Generator::getMessage('', $sqlQuery, 'success'),
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'url_query' => $scriptName . Url::getCommon(
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['db' => $params['new_db']],
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strpos($scriptName, '?') === false ? '?' : '&'
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),
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];
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}
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$this->response->addJSON($json);
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}
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/**
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* Handles dropping multiple databases
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*/
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public function destroy(): void
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{
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global $selected, $err_url, $cfg, $dblist, $reload;
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$params = [
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'drop_selected_dbs' => $_POST['drop_selected_dbs'] ?? null,
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'selected_dbs' => $_POST['selected_dbs'] ?? null,
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];
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if (! isset($params['drop_selected_dbs'])
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|| ! $this->response->isAjax()
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|| (! $this->dbi->isSuperuser() && ! $cfg['AllowUserDropDatabase'])
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) {
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$message = Message::error();
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$json = ['message' => $message];
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$this->response->setRequestStatus($message->isSuccess());
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$this->response->addJSON($json);
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return;
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}
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if (! isset($params['selected_dbs'])) {
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$message = Message::error(__('No databases selected.'));
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$json = ['message' => $message];
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$this->response->setRequestStatus($message->isSuccess());
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$this->response->addJSON($json);
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return;
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}
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$err_url = Url::getFromRoute('/server/databases');
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$selected = $_POST['selected_dbs'];
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$rebuildDatabaseList = false;
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$sqlQuery = '';
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$numberOfDatabases = count($selected);
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for ($i = 0; $i < $numberOfDatabases; $i++) {
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$this->relationCleanup->database($selected[$i]);
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$aQuery = 'DROP DATABASE ' . Util::backquote($selected[$i]);
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$reload = true;
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$rebuildDatabaseList = true;
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$sqlQuery .= $aQuery . ';' . "\n";
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$this->dbi->query($aQuery);
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$this->transformations->clear($selected[$i]);
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}
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if ($rebuildDatabaseList) {
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$dblist->databases->build();
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}
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if (empty($message)) { // no error message
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$message = Message::success(
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_ngettext(
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'%1$d database has been dropped successfully.',
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'%1$d databases have been dropped successfully.',
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$numberOfDatabases
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)
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);
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$message->addParam($numberOfDatabases);
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}
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$json = [];
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if ($message instanceof Message) {
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$json = ['message' => $message];
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$this->response->setRequestStatus($message->isSuccess());
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}
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$this->response->addJSON($json);
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}
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/**
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* Extracts parameters sort order and sort by
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*
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* @param string|null $sortBy sort by
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* @param string|null $sortOrder sort order
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*/
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private function setSortDetails(?string $sortBy, ?string $sortOrder): void
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{
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if (empty($sortBy)) {
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$this->sortBy = 'SCHEMA_NAME';
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} else {
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$sortByWhitelist = [
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'SCHEMA_NAME',
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'DEFAULT_COLLATION_NAME',
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'SCHEMA_TABLES',
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'SCHEMA_TABLE_ROWS',
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'SCHEMA_DATA_LENGTH',
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'SCHEMA_INDEX_LENGTH',
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'SCHEMA_LENGTH',
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'SCHEMA_DATA_FREE',
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];
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$this->sortBy = 'SCHEMA_NAME';
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if (in_array($sortBy, $sortByWhitelist)) {
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$this->sortBy = $sortBy;
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}
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}
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$this->sortOrder = 'asc';
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if (! isset($sortOrder)
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|| mb_strtolower($sortOrder) !== 'desc'
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) {
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return;
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}
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$this->sortOrder = 'desc';
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}
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/**
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* Returns database list
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*
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* @param array $replicationTypes replication types
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*
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* @return array
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*/
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private function getDatabases(array $replicationTypes): array
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{
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global $cfg, $replication_info;
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$databases = [];
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$totalStatistics = $this->getStatisticsColumns();
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foreach ($this->databases as $database) {
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$replication = [
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'master' => [
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'status' => $replication_info['master']['status'],
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],
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'slave' => [
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'status' => $replication_info['slave']['status'],
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],
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];
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foreach ($replicationTypes as $type) {
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if (! $replication_info[$type]['status']) {
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continue;
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}
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$key = array_search(
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$database['SCHEMA_NAME'],
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$replication_info[$type]['Ignore_DB']
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);
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if (strlen((string) $key) > 0) {
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$replication[$type]['is_replicated'] = false;
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} else {
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$key = array_search(
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$database['SCHEMA_NAME'],
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$replication_info[$type]['Do_DB']
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);
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if (strlen((string) $key) > 0
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|| count($replication_info[$type]['Do_DB']) === 0
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) {
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// if ($key != null) did not work for index "0"
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$replication[$type]['is_replicated'] = true;
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}
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}
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}
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$statistics = $this->getStatisticsColumns();
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if ($this->hasStatistics) {
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foreach (array_keys($statistics) as $key) {
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$statistics[$key]['raw'] = $database[$key] ?? null;
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$totalStatistics[$key]['raw'] += (int) $database[$key] ?? 0;
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}
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}
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$url = Util::getScriptNameForOption($cfg['DefaultTabDatabase'], 'database');
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$url .= Url::getCommonRaw(
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['db' => $database['SCHEMA_NAME']],
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strpos($url, '?') === false ? '?' : '&'
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);
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$databases[$database['SCHEMA_NAME']] = [
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'name' => $database['SCHEMA_NAME'],
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'collation' => [],
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'statistics' => $statistics,
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'replication' => $replication,
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'is_system_schema' => $this->dbi->isSystemSchema(
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$database['SCHEMA_NAME'],
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true
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),
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'is_pmadb' => $database['SCHEMA_NAME'] === ($cfg['Server']['pmadb'] ?? ''),
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'url' => $url,
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];
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$collation = Charsets::findCollationByName(
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$this->dbi,
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$cfg['Server']['DisableIS'],
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$database['DEFAULT_COLLATION_NAME']
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);
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if ($collation === null) {
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continue;
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}
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$databases[$database['SCHEMA_NAME']]['collation'] = [
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'name' => $collation->getName(),
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'description' => $collation->getDescription(),
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];
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}
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return [
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'databases' => $databases,
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'total_statistics' => $totalStatistics,
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];
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}
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/**
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* Prepares the statistics columns
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*
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* @return array
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*/
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private function getStatisticsColumns(): array
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{
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return [
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'SCHEMA_TABLES' => [
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'title' => __('Tables'),
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'format' => 'number',
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'raw' => 0,
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],
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'SCHEMA_TABLE_ROWS' => [
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'title' => __('Rows'),
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'format' => 'number',
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'raw' => 0,
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],
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'SCHEMA_DATA_LENGTH' => [
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'title' => __('Data'),
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'format' => 'byte',
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'raw' => 0,
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],
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'SCHEMA_INDEX_LENGTH' => [
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'title' => __('Indexes'),
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'format' => 'byte',
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'raw' => 0,
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],
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'SCHEMA_LENGTH' => [
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'title' => __('Total'),
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'format' => 'byte',
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'raw' => 0,
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],
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'SCHEMA_DATA_FREE' => [
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'title' => __('Overhead'),
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'format' => 'byte',
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'raw' => 0,
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],
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];
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}
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}
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