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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare

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Current Path : /var/www/web28/html/wp-content/plugins/matomo/app/core/Updates/

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Current File : //var/www/web28/html/wp-content/plugins/matomo/app/core/Updates/5.1.2-rc1.php

<?php

/**
 * Matomo - free/libre analytics platform
 *
 * @link    https://matomo.org
 * @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */
namespace Piwik\Updates;

use Piwik\Common;
use Piwik\Config;
use Piwik\DataAccess\ArchiveTableCreator;
use Piwik\Db;
use Piwik\Updater;
use Piwik\Updater\Migration\Factory as MigrationFactory;
use Piwik\Updates;
class Updates_5_1_2_rc1 extends Updates
{
    /**
     * @var MigrationFactory
     */
    private $migration;
    public function __construct(MigrationFactory $factory)
    {
        $this->migration = $factory;
    }
    public function getMigrations(Updater $updater)
    {
        $migrations = [];
        $config = Config::getInstance();
        $dbConfig = $config->database;
        // only run migration if config is not set
        if (empty($dbConfig['collation'])) {
            $collation = $this->detectCollationForMigration();
            if (null !== $collation) {
                $migrations[] = $this->migration->config->set('database', 'collation', $collation);
            }
        }
        return $migrations;
    }
    public function doUpdate(Updater $updater)
    {
        $updater->executeMigrations(__FILE__, $this->getMigrations($updater));
    }
    private function detectCollationForMigration() : ?string
    {
        try {
            $db = Db::get();
            $userTable = Common::prefixTable('user');
            $userTableStatus = $db->fetchRow('SHOW TABLE STATUS WHERE Name = ?', [$userTable]);
            if (empty($userTableStatus['Collation'])) {
                // if there is no user table, or no collation for it, abort detection
                // this table should always exist and something must be wrong in this case
                return null;
            }
            $userTableCollation = $userTableStatus['Collation'];
            $connectionCollation = $db->fetchOne('SELECT @@collation_connection');
            if ($userTableCollation === $connectionCollation) {
                // if the connection is matching the user table
                // we should be safe to assume we have already found a config value
                return $userTableCollation;
            }
            $archiveTables = ArchiveTableCreator::getTablesArchivesInstalled(ArchiveTableCreator::NUMERIC_TABLE);
            if (0 === count($archiveTables)) {
                // skip if there is no archive table (yet)
                return null;
            }
            // sort tables so we have them in order of their date
            rsort($archiveTables);
            $archiveTableStatus = $db->fetchRow('SHOW TABLE STATUS WHERE Name = ?', [$archiveTables[0]]);
            if (!empty($archiveTableStatus['Collation']) && $archiveTableStatus['Collation'] === $userTableCollation) {
                // the most recent numeric archive table is matching the collation
                // of the users table, should be a good config value to choose
                return $userTableCollation;
            }
        } catch (\Exception $e) {
            // rely on the system check if detection failed
        }
        return null;
    }
}

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