SERVER-54283 Move the legacy dropDatabase/Collection path to execute from the shard

... rather than forwarding to the config server

1 files changed, 48 insertions, 0 deletions

diff --git a/src/mongo/db/s/drop_collection_legacy.h b/src/mongo/db/s/drop_collection_legacy.h
new file mode 100644
index 00000000000..00c08090749
--- /dev/null
+++ b/src/mongo/db/s/drop_collection_legacy.h
@@ -0,0 +1,48 @@
+/**
+ *    Copyright (C) 2021-present MongoDB, Inc.
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the Server Side Public License, version 1,
+ *    as published by MongoDB, Inc.
+ *
+ *    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
+ *    Server Side Public License for more details.
+ *
+ *    You should have received a copy of the Server Side Public License
+ *    along with this program. If not, see
+ *    <http://www.mongodb.com/licensing/server-side-public-license>.
+ *
+ *    As a special exception, the copyright holders give permission to link the
+ *    code of portions of this program with the OpenSSL library under certain
+ *    conditions as described in each individual source file and distribute
+ *    linked combinations including the program with the OpenSSL library. You
+ *    must comply with the Server Side Public License in all respects for
+ *    all of the code used other than as permitted herein. If you modify file(s)
+ *    with this exception, you may extend this exception to your version of the
+ *    file(s), but you are not obligated to do so. If you do not wish to do so,
+ *    delete this exception statement from your version. If you delete this
+ *    exception statement from all source files in the program, then also delete
+ *    it in the license file.
+ */
+
+#pragma once
+
+#include "mongo/db/namespace_string.h"
+#include "mongo/db/operation_context.h"
+
+namespace mongo {
+
+void dropCollectionLegacy(OperationContext* opCtx, const NamespaceString& nss);
+
+/**
+ * Contains the underlying logic for drop collection, assuming that the caller calls it in isolation
+ * from other DDLs through the means of the DistLock.
+ *
+ * Throws a DBException for any failures. These are some of the known failures:
+ *  - NamespaceNotFound - Collection does not exist
+ */
+void dropCollectionNoDistLock(OperationContext* opCtx, const NamespaceString& nss);
+
+}  // namespace mongo