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// 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
#include <stdint.h>
#include "rocksdb/slice.h"
namespace ROCKSDB_NAMESPACE {
// Define all public custom types here.
using ColumnFamilyId = uint32_t;
// Represents a sequence number in a WAL file.
using SequenceNumber = uint64_t;
const SequenceNumber kMinUnCommittedSeq = 1; // 0 is always committed
enum class TableFileCreationReason {
kFlush,
kCompaction,
kRecovery,
kMisc,
};
enum class BlobFileCreationReason {
kFlush,
kCompaction,
kRecovery,
};
// The types of files RocksDB uses in a DB directory. (Available for
// advanced options.)
enum FileType {
kWalFile,
kDBLockFile,
kTableFile,
kDescriptorFile,
kCurrentFile,
kTempFile,
kInfoLogFile, // Either the current one, or an old one
kMetaDatabase,
kIdentityFile,
kOptionsFile,
kBlobFile
};
// User-oriented representation of internal key types.
// Ordering of this enum entries should not change.
enum EntryType {
kEntryPut,
kEntryDelete,
kEntrySingleDelete,
kEntryMerge,
kEntryRangeDeletion,
kEntryBlobIndex,
kEntryDeleteWithTimestamp,
kEntryWideColumnEntity,
kEntryOther,
};
} // namespace ROCKSDB_NAMESPACE
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