1 files changed, 0 insertions, 149 deletions
diff --git a/src/mongo/db/sorter/spillable_sorter.h b/src/mongo/db/sorter/spillable_sorter.h
deleted file mode 100644
index 724194ebe2c..00000000000
--- a/src/mongo/db/sorter/spillable_sorter.h
+++ /dev/null
@@ -1,149 +0,0 @@
-/**
- *    Copyright (C) 2021-present MongoDB, Inc.
- *
- *    This program is free software: you can redistribute it and/or modify
- *    it under the terms of the Server Side Public License, version 1,
- *    as published by MongoDB, Inc.
- *
- *    This program is distributed in the hope that it will be useful,
- *    but WITHOUT ANY WARRANTY; without even the implied warranty of
- *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *    Server Side Public License for more details.
- *
- *    You should have received a copy of the Server Side Public License
- *    along with this program. If not, see
- *    <http://www.mongodb.com/licensing/server-side-public-license>.
- *
- *    As a special exception, the copyright holders give permission to link the
- *    code of portions of this program with the OpenSSL library under certain
- *    conditions as described in each individual source file and distribute
- *    linked combinations including the program with the OpenSSL library. You
- *    must comply with the Server Side Public License in all respects for
- *    all of the code used other than as permitted herein. If you modify file(s)
- *    with this exception, you may extend this exception to your version of the
- *    file(s), but you are not obligated to do so. If you do not wish to do so,
- *    delete this exception statement from your version. If you delete this
- *    exception statement from all source files in the program, then also delete
- *    it in the license file.
- */
-
-#pragma once
-
-#include "mongo/db/sorter/in_mem_iterator.h"
-#include "mongo/db/sorter/merge_iterator.h"
-#include "mongo/db/sorter/sorted_file_writer.h"
-#include "mongo/db/sorter/sorter.h"
-
-namespace mongo::sorter {
-/**
- * A Sorter which may spill to disk if configured to do so. Each instance of this class will, if
- * spilling is enabled, generate a file name and spill sorted data ranges to that file.
- */
-template <typename Key, typename Value>
-class SpillableSorter : public Sorter<Key, Value> {
-public:
-    using Base = Sorter<Key, Value>;
-    using Data = typename Base::Data;
-    using Iterator = typename Base::Iterator;
-    using CompFn = typename Base::CompFn;
-    using Settings = typename Base::Settings;
-
-    using Base::_comp;
-    using Base::_done;
-
-    SpillableSorter(StringData name,
-                    const Options& options,
-                    const CompFn& comp,
-                    const Settings& settings)
-        : SpillableSorter(options,
-                          comp,
-                          settings,
-                          options.tempDir
-                              ? std::make_unique<File>(*options.tempDir + "/" + nextFileName(name))
-                              : nullptr) {}
-
-    SpillableSorter(const Options& options,
-                    const CompFn& comp,
-                    const Settings& settings,
-                    const std::string& fileName)
-        : SpillableSorter(
-              options, comp, settings, std::make_unique<File>(*options.tempDir + "/" + fileName)) {
-        invariant(!fileName.empty());
-    }
-
-    std::unique_ptr<Iterator> done(typename Iterator::ReturnPolicy returnPolicy) {
-        invariant(!std::exchange(_done, true));
-
-        if (_spilled.empty()) {
-            _sort();
-            return std::make_unique<InMemIterator<Key, Value>>(_data, returnPolicy);
-        }
-
-        _spill();
-        return std::make_unique<MergeIterator<Key, Value>>(_spilled, _options.limit, _comp);
-    }
-
-    size_t numSpills() const override {
-        return _spilled.size();
-    }
-
-protected:
-    virtual void _sort() = 0;
-
-    void _spill() {
-        if (_data.empty()) {
-            return;
-        }
-
-        if (!_options.tempDir) {
-            // This error message only applies to sorts from user queries made through the find or
-            // aggregation commands. Other clients should suppress this error, either by allowing
-            // external sorting or by catching and throwing a more appropriate error.
-            uasserted(ErrorCodes::QueryExceededMemoryLimitNoDiskUseAllowed,
-                      str::stream()
-                          << "Sort exceeded memory limit of " << _options.maxMemoryUsageBytes
-                          << " bytes, but did not opt in to external sorting.");
-        }
-
-        _sort();
-        _updateStateAfterSort();
-
-        SortedFileWriter<Key, Value> writer(_file.get(), _options.dbName, _settings);
-        for (size_t i = 0; i < _data.size(); i++) {
-            writer.addAlreadySorted(_data[i].first, _data[i].second);
-        }
-        _spilled.push_back(writer.done());
-
-        // Clear _data and release backing array's memory.
-        std::vector<Data>().swap(_data);
-        _memUsed = 0;
-    }
-
-    virtual void _updateStateAfterSort() {}
-
-    const Options _options;
-    const std::function<bool(const Data&, const Data&)> _less;
-    const Settings _settings;
-
-    std::vector<Data> _data;
-
-    std::unique_ptr<File> _file;
-    std::vector<std::unique_ptr<Iterator>> _spilled;
-
-    size_t _memUsed = 0;
-
-private:
-    SpillableSorter(const Options& options,
-                    const CompFn& comp,
-                    const Settings& settings,
-                    std::unique_ptr<File> file)
-        : Base(comp),
-          _options(options),
-          _less([comp](const Data& lhs, const Data& rhs) {
-              dassertCompIsSane(comp, lhs, rhs);
-              return comp(lhs, rhs) < 0;
-          }),
-          _settings(settings),
-          _file(std::move(file)) {}
-};
-}  // namespace mongo::sorter