Drop redundant indes

Those indexes are already covered by others. So those can just be used.
THose extra indexes just take up space.

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

1 files changed, 65 insertions, 0 deletions

diff --git a/core/Migrations/Version22000Date20210216080825.php b/core/Migrations/Version22000Date20210216080825.php
new file mode 100644
index 00000000000..3684ad370d2
--- /dev/null
+++ b/core/Migrations/Version22000Date20210216080825.php
@@ -0,0 +1,65 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2021 Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @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\Migrations;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+/**
+ * Auto-generated migration step: Please modify to your needs!
+ */
+class Version22000Date20210216080825 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->getTable('appconfig');
+		if ($table->hasIndex('appconfig_appid_key')) {
+			$table->dropIndex('appconfig_appid_key');
+		}
+
+		$table = $schema->getTable('collres_accesscache');
+		if ($table->hasIndex('collres_user_coll')) {
+			$table->dropIndex('collres_user_coll');
+		}
+
+		$table = $schema->getTable('mounts');
+		if ($table->hasIndex('mounts_user_index')) {
+			$table->dropIndex('mounts_user_index');
+		}
+
+		return $schema;
+	}
+}