mirror of
https://github.com/nextcloud/server.git
synced 2025-02-06 01:20:16 +00:00
91 lines
2.8 KiB
PHP
91 lines
2.8 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace OCA\DAV\Migration;
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use Closure;
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use OCP\AppFramework\Services\IAppConfig;
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use OCP\DB\ISchemaWrapper;
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use OCP\DB\QueryBuilder\IQueryBuilder;
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use OCP\DB\Types;
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use OCP\IDBConnection;
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use OCP\Migration\IOutput;
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use OCP\Migration\SimpleMigrationStep;
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class Version1025Date20240308063933 extends SimpleMigrationStep {
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public function __construct(
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private IAppConfig $appConfig,
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private IDBConnection $db,
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) {
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}
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/**
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* @param IOutput $output
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* @param Closure(): ISchemaWrapper $schemaClosure
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* @param array $options
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* @return null|ISchemaWrapper
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*/
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public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
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/** @var ISchemaWrapper $schema */
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$schema = $schemaClosure();
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foreach (['addressbookchanges', 'calendarchanges'] as $tableName) {
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$table = $schema->getTable($tableName);
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if (!$table->hasColumn('created_at')) {
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$table->addColumn('created_at', Types::INTEGER, [
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'notnull' => true,
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'length' => 4,
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'default' => 0,
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]);
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}
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}
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return $schema;
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}
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public function postSchemaChange(IOutput $output, \Closure $schemaClosure, array $options): void {
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// The threshold is higher than the default of \OCA\DAV\BackgroundJob\PruneOutdatedSyncTokensJob
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// but small enough to fit into a cluster transaction size.
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// For a 50k users instance that would still keep 10 changes on average.
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$limit = max(1, (int)$this->appConfig->getAppValue('totalNumberOfSyncTokensToKeep', '500000'));
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foreach (['addressbookchanges', 'calendarchanges'] as $tableName) {
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$thresholdSelect = $this->db->getQueryBuilder();
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$thresholdSelect->select('id')
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->from($tableName)
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->orderBy('id', 'desc')
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->setFirstResult($limit)
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->setMaxResults(1);
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$oldestIdResult = $thresholdSelect->executeQuery();
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$oldestId = $oldestIdResult->fetchColumn();
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$oldestIdResult->closeCursor();
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$qb = $this->db->getQueryBuilder();
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$update = $qb->update($tableName)
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->set('created_at', $qb->createNamedParameter(time(), IQueryBuilder::PARAM_INT))
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->where(
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$qb->expr()->eq('created_at', $qb->createNamedParameter(0, IQueryBuilder::PARAM_INT)),
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);
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// If there is a lot of data we only set timestamp for the most recent rows
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// because the rest will be deleted by \OCA\DAV\BackgroundJob\PruneOutdatedSyncTokensJob
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// anyway.
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if ($oldestId !== false) {
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$update->andWhere($qb->expr()->gt('id', $qb->createNamedParameter($oldestId, IQueryBuilder::PARAM_INT), IQueryBuilder::PARAM_INT));
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}
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$updated = $update->executeStatement();
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$output->debug('Added a default creation timestamp to ' . $updated . ' rows in ' . $tableName);
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}
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}
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}
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