diff options
Diffstat (limited to 'src/rocksdb/db/post_memtable_callback.h')
-rw-r--r-- | src/rocksdb/db/post_memtable_callback.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/rocksdb/db/post_memtable_callback.h b/src/rocksdb/db/post_memtable_callback.h new file mode 100644 index 000000000..fbf2fbe86 --- /dev/null +++ b/src/rocksdb/db/post_memtable_callback.h @@ -0,0 +1,25 @@ +// Copyright (c) Meta Platforms, Inc. and affiliates. All rights reserved. +// This source code is licensed under both the GPLv2 (found in the +// COPYING file in the root directory) and Apache 2.0 License +// (found in the LICENSE.Apache file in the root directory). + +#pragma once + +#include "rocksdb/status.h" +#include "rocksdb/types.h" + +namespace ROCKSDB_NAMESPACE { + +// Callback invoked after finishing writing to the memtable but before +// publishing the sequence number to readers. +// Note that with write-prepared/write-unprepared transactions with +// two-write-queues, PreReleaseCallback is called before publishing the +// sequence numbers to readers. +class PostMemTableCallback { + public: + virtual ~PostMemTableCallback() {} + + virtual Status operator()(SequenceNumber seq, bool disable_memtable) = 0; +}; + +} // namespace ROCKSDB_NAMESPACE |