fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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46 lines
1.5 KiB
46 lines
1.5 KiB
// Copyright (c) Meta Platforms, Inc. and affiliates.
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//
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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//
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// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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#include "db/compaction/compaction_state.h"
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namespace ROCKSDB_NAMESPACE {
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Slice CompactionState::SmallestUserKey() {
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for (const auto& sub_compact_state : sub_compact_states) {
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Slice smallest = sub_compact_state.SmallestUserKey();
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if (!smallest.empty()) {
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return smallest;
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}
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}
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// If there is no finished output, return an empty slice.
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return Slice{nullptr, 0};
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}
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Slice CompactionState::LargestUserKey() {
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for (auto it = sub_compact_states.rbegin(); it < sub_compact_states.rend();
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++it) {
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Slice largest = it->LargestUserKey();
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if (!largest.empty()) {
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return largest;
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}
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}
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// If there is no finished output, return an empty slice.
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return Slice{nullptr, 0};
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}
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void CompactionState::AggregateCompactionStats(
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InternalStats::CompactionStatsFull& compaction_stats,
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CompactionJobStats& compaction_job_stats) {
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for (const auto& sc : sub_compact_states) {
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sc.AggregateCompactionStats(compaction_stats);
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compaction_job_stats.Add(sc.compaction_job_stats);
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}
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}
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} // namespace ROCKSDB_NAMESPACE
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