rocksdb/db/wide/wide_columns_helper.h
Levi Tamasi 8fc78a3a9e Add helper methods WideColumnsHelper::{Has,Get}DefaultColumn (#11813)
Summary:
Pull Request resolved: https://github.com/facebook/rocksdb/pull/11813

The patch adds a couple of helper methods `WideColumnsHelper::{Has,Get}DefaultColumn` to eliminate some code duplication.

Reviewed By: jaykorean

Differential Revision: D49166682

fbshipit-source-id: f229ca5b94599f7445a0112b10f8317292505c82
2023-09-11 16:32:32 -07:00

34 lines
1,019 B
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// Copyright (c) Meta Platforms, Inc. and affiliates.
// 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 <ostream>
#include <string>
#include "rocksdb/rocksdb_namespace.h"
#include "rocksdb/wide_columns.h"
namespace ROCKSDB_NAMESPACE {
class WideColumnsHelper {
public:
static void DumpWideColumns(const WideColumns& columns, std::ostream& os,
bool hex);
static Status DumpSliceAsWideColumns(const Slice& value, std::ostream& os,
bool hex);
static bool HasDefaultColumn(const WideColumns& columns) {
return !columns.empty() && columns.front().name() == kDefaultWideColumnName;
}
static const Slice& GetDefaultColumn(const WideColumns& columns) {
assert(HasDefaultColumn(columns));
return columns.front().value();
}
};
} // namespace ROCKSDB_NAMESPACE