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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\Core\Command\Db;
use OC\DB\Connection;
use OC\DB\SchemaWrapper;
use OCP\DB\Events\AddMissingPrimaryKeyEvent;
use OCP\EventDispatcher\IEventDispatcher;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
/**
* Class AddMissingPrimaryKeys
*
* if you added primary keys to the database, this is the right place to add
* your update routine for existing instances
*
* @package OC\Core\Command\Db
*/
class AddMissingPrimaryKeys extends Command {
public function __construct(
private Connection $connection,
private IEventDispatcher $dispatcher,
) {
parent::__construct();
}
protected function configure() {
$this
->setName('db:add-missing-primary-keys')
->setDescription('Add missing primary keys to the database tables')
->addOption('dry-run', null, InputOption::VALUE_NONE, 'Output the SQL queries instead of running them.');
}
protected function execute(InputInterface $input, OutputInterface $output): int {
$dryRun = $input->getOption('dry-run');
// Dispatch event so apps can also update indexes if needed
$event = new AddMissingPrimaryKeyEvent();
$this->dispatcher->dispatchTyped($event);
$missingKeys = $event->getMissingPrimaryKeys();
$updated = false;
if (!empty($missingKeys)) {
$schema = new SchemaWrapper($this->connection);
foreach ($missingKeys as $missingKey) {
if ($schema->hasTable($missingKey['tableName'])) {
$table = $schema->getTable($missingKey['tableName']);
if (!$table->hasPrimaryKey()) {
$output->writeln('<info>Adding primary key to the ' . $missingKey['tableName'] . ' table, this can take some time...</info>');
$table->setPrimaryKey($missingKey['columns'], $missingKey['primaryKeyName']);
if ($missingKey['formerIndex'] && $table->hasIndex($missingKey['formerIndex'])) {
$table->dropIndex($missingKey['formerIndex']);
}
$sqlQueries = $this->connection->migrateToSchema($schema->getWrappedSchema(), $dryRun);
if ($dryRun && $sqlQueries !== null) {
$output->writeln($sqlQueries);
}
$updated = true;
$output->writeln('<info>' . $missingKey['tableName'] . ' table updated successfully.</info>');
}
}
}
}
if (!$updated) {
$output->writeln('<info>Done.</info>');
}
return 0;
}
}
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