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@@ -0,0 +1,72 @@
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+<?php
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+declare(strict_types=1);
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+/**
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+ * @copyright Copyright (c) 2019 Daniel Kesselberg <mail@danielkesselberg.de>
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+ *
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+ * @license GNU AGPL version 3 or any later version
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+ *
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+ * This program is free software: you can redistribute it and/or modify
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+ * it under the terms of the GNU Affero General Public License as
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+ * published by the Free Software Foundation, either version 3 of the
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+ * License, or (at your option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU Affero General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU Affero General Public License
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+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
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+ *
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+ */
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+
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+namespace OC\Core\Migrations;
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+
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+use Closure;
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+use OCP\DB\ISchemaWrapper;
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+use OCP\IDBConnection;
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+use OCP\Migration\SimpleMigrationStep;
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+use OCP\Migration\IOutput;
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+
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+
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+class Version16000Date20190427105638 extends SimpleMigrationStep {
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+
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+ /** @var IDBConnection */
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+ private $connection;
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+
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+ public function __construct(IDBConnection $connection) {
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+ $this->connection = $connection;
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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 $schemaClosure The `\Closure` returns a `ISchemaWrapper`
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+ * @param array $options
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+ */
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+ public function preSchemaChange(IOutput $output, Closure $schemaClosure, array $options) {
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+ $this->connection
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+ ->getQueryBuilder()
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+ ->delete('collres_accesscache')
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+ ->execute();
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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 $schemaClosure The `\Closure` returns a `ISchemaWrapper`
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+ * @param array $options
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+ * @return null|ISchemaWrapper
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+ * @throws \Doctrine\DBAL\Schema\SchemaException
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+ * @throws \Doctrine\DBAL\DBALException
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+ */
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+ public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
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+ /** @var ISchemaWrapper $schema */
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+ $schema = $schemaClosure();
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+
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+ if ($schema->hasTable('collres_accesscache')) {
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+ $table = $schema->getTable('collres_accesscache');
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+ $table->dropColumn('access');
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+ }
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+
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+ return $schema;
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+ }
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+}
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