fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
71 lines
2.1 KiB
71 lines
2.1 KiB
7 years ago
|
// Copyright (c) 2011-present, Facebook, Inc. 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
|
||
|
|
|
||
|
|
#ifndef ROCKSDB_LITE
|
||
|
|
|
||
|
|
#include <algorithm>
|
||
|
|
#include <atomic>
|
||
|
|
#include <mutex>
|
||
|
|
#include <stack>
|
||
|
|
#include <string>
|
||
|
|
#include <unordered_map>
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
#include "db/write_callback.h"
|
||
|
|
#include "rocksdb/db.h"
|
||
|
|
#include "rocksdb/slice.h"
|
||
|
|
#include "rocksdb/snapshot.h"
|
||
|
|
#include "rocksdb/status.h"
|
||
|
|
#include "rocksdb/types.h"
|
||
|
|
#include "rocksdb/utilities/transaction.h"
|
||
|
|
#include "rocksdb/utilities/transaction_db.h"
|
||
|
|
#include "rocksdb/utilities/write_batch_with_index.h"
|
||
|
|
#include "util/autovector.h"
|
||
|
|
#include "utilities/transactions/transaction_base.h"
|
||
|
|
#include "utilities/transactions/transaction_impl.h"
|
||
|
|
#include "utilities/transactions/transaction_util.h"
|
||
|
|
|
||
|
|
namespace rocksdb {
|
||
|
|
|
||
|
|
class TransactionDBImpl;
|
||
|
|
|
||
|
|
// This impl could write to DB also uncomitted data and then later tell apart
|
||
|
|
// committed data from uncomitted data. Uncommitted data could be after the
|
||
|
|
// Prepare phase in 2PC (WritePreparedTxnImpl) or before that
|
||
|
|
// (WriteUnpreparedTxnImpl).
|
||
|
|
class WritePreparedTxnImpl : public PessimisticTxn {
|
||
|
|
public:
|
||
|
|
WritePreparedTxnImpl(TransactionDB* db, const WriteOptions& write_options,
|
||
|
|
const TransactionOptions& txn_options);
|
||
|
|
|
||
|
|
virtual ~WritePreparedTxnImpl() {}
|
||
|
|
|
||
|
|
Status Prepare() override;
|
||
|
|
|
||
|
|
Status Commit() override;
|
||
|
|
|
||
|
|
Status CommitBatch(WriteBatch* batch) override;
|
||
|
|
|
||
|
|
Status Rollback() override;
|
||
|
|
|
||
|
|
private:
|
||
|
|
// TODO(myabandeh): verify that the current impl work with values being
|
||
|
|
// written with prepare sequence number too.
|
||
|
|
// Status ValidateSnapshot(ColumnFamilyHandle* column_family, const Slice&
|
||
|
|
// key,
|
||
|
|
// SequenceNumber prev_seqno, SequenceNumber*
|
||
|
|
// new_seqno);
|
||
|
|
|
||
|
|
// No copying allowed
|
||
|
|
WritePreparedTxnImpl(const WritePreparedTxnImpl&);
|
||
|
|
void operator=(const WritePreparedTxnImpl&);
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace rocksdb
|
||
|
|
|
||
|
|
#endif // ROCKSDB_LITE
|