From e6918187568dbd01842d8d1d2c808ce16a894239 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 21 Apr 2024 13:54:28 +0200 Subject: Adding upstream version 18.2.2. Signed-off-by: Daniel Baumann --- src/rocksdb/db/compaction/compaction_state.cc | 46 +++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 src/rocksdb/db/compaction/compaction_state.cc (limited to 'src/rocksdb/db/compaction/compaction_state.cc') diff --git a/src/rocksdb/db/compaction/compaction_state.cc b/src/rocksdb/db/compaction/compaction_state.cc new file mode 100644 index 000000000..ee4b0c189 --- /dev/null +++ b/src/rocksdb/db/compaction/compaction_state.cc @@ -0,0 +1,46 @@ +// 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). +// +// Copyright (c) 2011 The LevelDB Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. See the AUTHORS file for names of contributors. + +#include "db/compaction/compaction_state.h" + +namespace ROCKSDB_NAMESPACE { + +Slice CompactionState::SmallestUserKey() { + for (const auto& sub_compact_state : sub_compact_states) { + Slice smallest = sub_compact_state.SmallestUserKey(); + if (!smallest.empty()) { + return smallest; + } + } + // If there is no finished output, return an empty slice. + return Slice{nullptr, 0}; +} + +Slice CompactionState::LargestUserKey() { + for (auto it = sub_compact_states.rbegin(); it < sub_compact_states.rend(); + ++it) { + Slice largest = it->LargestUserKey(); + if (!largest.empty()) { + return largest; + } + } + // If there is no finished output, return an empty slice. + return Slice{nullptr, 0}; +} + +void CompactionState::AggregateCompactionStats( + InternalStats::CompactionStatsFull& compaction_stats, + CompactionJobStats& compaction_job_stats) { + for (const auto& sc : sub_compact_states) { + sc.AggregateCompactionStats(compaction_stats); + compaction_job_stats.Add(sc.compaction_job_stats); + } +} +} // namespace ROCKSDB_NAMESPACE -- cgit v1.2.3