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https://github.com/facebook/rocksdb.git
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18285c1e2f
Summary: Make RocksDb build and run on Windows to be functionally complete and performant. All existing test cases run with no regressions. Performance numbers are in the pull-request. Test plan: make all of the existing unit tests pass, obtain perf numbers. Co-authored-by: Praveen Rao praveensinghrao@outlook.com Co-authored-by: Sherlock Huang baihan.huang@gmail.com Co-authored-by: Alex Zinoviev alexander.zinoviev@me.com Co-authored-by: Dmitri Smirnov dmitrism@microsoft.com
95 lines
3.4 KiB
C++
95 lines
3.4 KiB
C++
// Copyright (c) 2013, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same 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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#pragma once
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#include <stdint.h>
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#include <string>
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#include <utility>
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#include <vector>
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#include "db/table_properties_collector.h"
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#include "rocksdb/options.h"
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#include "rocksdb/table_properties.h"
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#include "util/mutable_cf_options.h"
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namespace rocksdb {
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class Slice;
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class Status;
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struct TableBuilderOptions {
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TableBuilderOptions(
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const ImmutableCFOptions& _ioptions,
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const InternalKeyComparator& _internal_comparator,
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const std::vector<std::unique_ptr<IntTblPropCollectorFactory>>*
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_int_tbl_prop_collector_factories,
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CompressionType _compression_type,
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const CompressionOptions& _compression_opts, bool _skip_filters)
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: ioptions(_ioptions),
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internal_comparator(_internal_comparator),
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int_tbl_prop_collector_factories(_int_tbl_prop_collector_factories),
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compression_type(_compression_type),
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compression_opts(_compression_opts),
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skip_filters(_skip_filters) {}
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const ImmutableCFOptions& ioptions;
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const InternalKeyComparator& internal_comparator;
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const std::vector<std::unique_ptr<IntTblPropCollectorFactory>>*
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int_tbl_prop_collector_factories;
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CompressionType compression_type;
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const CompressionOptions& compression_opts;
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bool skip_filters = false;
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};
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// TableBuilder provides the interface used to build a Table
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// (an immutable and sorted map from keys to values).
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//
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// Multiple threads can invoke const methods on a TableBuilder without
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// external synchronization, but if any of the threads may call a
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// non-const method, all threads accessing the same TableBuilder must use
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// external synchronization.
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class TableBuilder {
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public:
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// REQUIRES: Either Finish() or Abandon() has been called.
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virtual ~TableBuilder() {}
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// Add key,value to the table being constructed.
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// REQUIRES: key is after any previously added key according to comparator.
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// REQUIRES: Finish(), Abandon() have not been called
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virtual void Add(const Slice& key, const Slice& value) = 0;
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// Return non-ok iff some error has been detected.
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virtual Status status() const = 0;
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// Finish building the table.
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// REQUIRES: Finish(), Abandon() have not been called
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virtual Status Finish() = 0;
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// Indicate that the contents of this builder should be abandoned.
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// If the caller is not going to call Finish(), it must call Abandon()
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// before destroying this builder.
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// REQUIRES: Finish(), Abandon() have not been called
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virtual void Abandon() = 0;
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// Number of calls to Add() so far.
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virtual uint64_t NumEntries() const = 0;
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// Size of the file generated so far. If invoked after a successful
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// Finish() call, returns the size of the final generated file.
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virtual uint64_t FileSize() const = 0;
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// If the user defined table properties collector suggest the file to
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// be further compacted.
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virtual bool NeedCompact() const { return false; }
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// Returns table properties
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virtual TableProperties GetTableProperties() const = 0;
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};
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} // namespace rocksdb
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