fix: add index on oc_filecache over size, parent and storage to speed…

changelog/unreleased/40633

@@ -0,0 +1,5 @@
+Bugfix: Add index on oc_filecache
+
+This index can help to speed-up bulk file operations.
+
+https://github.com/owncloud/core/issues/40633

core/Migrations/Version20230210073645.php

@@ -0,0 +1,17 @@
+<?php
+namespace OC\Migrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\DBAL\Schema\SchemaException;
+use OCP\Migration\ISchemaMigration;
+
+class Version20230210073645 implements ISchemaMigration {
+	/**
+	 * @throws SchemaException
+	 */
+	public function changeSchema(Schema $schema, array $options): void {
+		$prefix = $options['tablePrefix'];
+		$table = $schema->getTable("{$prefix}filecache");
+		$table->addIndex(['parent', 'storage', 'size'], 'fs_parent_storage_size');
+	}
+}

version.php

@@ -25,7 +25,7 @@
 // We only can count up. The 4. digit is only for the internal patchlevel to trigger DB upgrades
 // between betas, final and RCs. This is _not_ the public version number. Reset minor/patchlevel
 // when updating major/minor version number.
-$OC_Version = [10, 12, 0, 1];
+$OC_Version = [10, 12, 0, 2];
 
 // The human-readable string
 $OC_VersionString = '10.12.0 prealpha';