add occ command to add a index to share_with at the share table

Signed-off-by: Bjoern Schiessle <bjoern@schiessle.org>

core/Command/Db/AddIndexToShareTable.php

+<?php
+/**
+ * @copyright Copyright (c) 2017 Bjoern Schiessle <bjoern@schiessle.org>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+namespace OC\Core\Command\Db;
+
+use OC\DB\SchemaWrapper;
+use OCP\IDBConnection;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class AddIndexToShareTable extends Command {
+
+	/** @var IDBConnection */
+	private $connection;
+
+	/**
+	 * @param IDBConnection $connection
+	 */
+	public function __construct(IDBConnection $connection) {
+		$this->connection = $connection;
+		parent::__construct();
+	}
+
+	protected function configure() {
+		$this
+			->setName('db:add-index-to-share-table')
+			->setDescription('Add a index to share_with at the share table to increase performance');
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output) {
+
+		$schema = new SchemaWrapper($this->connection);
+		$updated = false;
+
+		if ($schema->hasTable("share")) {
+			$table = $schema->getTable("share");
+			if (!$table->hasIndex('share_with_index')) {
+				$output->writeln('<info>Adding additional index to the share table, this can take some time...</info>');
+				$table->addIndex(['share_with'], 'share_with_index');
+				$this->connection->migrateToSchema($schema->getWrappedSchema());
+				$updated = true;
+				$output->writeln('<info>Share table updated successfully.</info>');
+			}
+		}
+
+		if (!$updated) {
+			$output->writeln('<info>All index already existed, nothing to do.</info>');
+		}
+
+		return 0;
+
+	}
+}

core/register_command.php

@@ -90,6 +90,7 @@ if (\OC::$server->getConfig()->getSystemValue('installed', false)) {
 	$application->add(new OC\Core\Command\Db\ConvertType(\OC::$server->getConfig(), new \OC\DB\ConnectionFactory(\OC::$server->getSystemConfig())));
 	$application->add(new OC\Core\Command\Db\ConvertMysqlToMB4(\OC::$server->getConfig(), \OC::$server->getDatabaseConnection(), \OC::$server->getURLGenerator(), \OC::$server->getLogger()));
 	$application->add(new OC\Core\Command\Db\ConvertFilecacheBigInt(\OC::$server->getDatabaseConnection()));
+	$application->add(new OC\Core\Command\Db\AddIndexToShareTable(\OC::$server->getDatabaseConnection()));
 	$application->add(new OC\Core\Command\Db\Migrations\StatusCommand(\OC::$server->getDatabaseConnection()));
 	$application->add(new OC\Core\Command\Db\Migrations\MigrateCommand(\OC::$server->getDatabaseConnection()));
 	$application->add(new OC\Core\Command\Db\Migrations\GenerateCommand(\OC::$server->getDatabaseConnection()));