rocksdb/utilities/transactions/snapshot_checker.cc

38 lines
1.1 KiB
C++

// 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).
#include "db/snapshot_checker.h"
#ifdef ROCKSDB_LITE
#include <assert.h>
#endif // ROCKSDB_LITE
#include "utilities/transactions/pessimistic_transaction_db.h"
namespace rocksdb {
#ifdef ROCKSDB_LITE
SnapshotChecker::SnapshotChecker(WritePreparedTxnDB* txn_db) {}
bool SnapshotChecker::IsInSnapshot(SequenceNumber sequence,
SequenceNumber snapshot_sequence) const {
// Should never be called in LITE mode.
assert(false);
return true;
}
#else
SnapshotChecker::SnapshotChecker(WritePreparedTxnDB* txn_db)
: txn_db_(txn_db){};
bool SnapshotChecker::IsInSnapshot(SequenceNumber sequence,
SequenceNumber snapshot_sequence) const {
return txn_db_->IsInSnapshot(sequence, snapshot_sequence);
}
#endif // ROCKSDB_LITE
} // namespace rocksdb