Revision 36375de76fb2b5a43d33154d0754551b1f71544f authored by James Page on 08 August 2017, 15:45:28 UTC, committed by Facebook Github Bot on 08 August 2017, 15:56:52 UTC
Summary: Markup i386 code paths resolving compilation failure under i386 with gcc-7. Signed-off-by: James Page <james.page@ubuntu.com> Closes https://github.com/facebook/rocksdb/pull/2700 Differential Revision: D5583047 Pulled By: maysamyabandeh fbshipit-source-id: fe31bcfeaf7cd2d3f51b55f5ae0b3b0cb3788fbc
1 parent bdc056f
table_builder.h
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// 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.
#pragma once
#include <stdint.h>
#include <string>
#include <utility>
#include <vector>
#include "db/table_properties_collector.h"
#include "options/cf_options.h"
#include "rocksdb/options.h"
#include "rocksdb/table_properties.h"
#include "util/file_reader_writer.h"
namespace rocksdb {
class Slice;
class Status;
struct TableReaderOptions {
// @param skip_filters Disables loading/accessing the filter block
TableReaderOptions(const ImmutableCFOptions& _ioptions,
const EnvOptions& _env_options,
const InternalKeyComparator& _internal_comparator,
bool _skip_filters = false, int _level = -1)
: ioptions(_ioptions),
env_options(_env_options),
internal_comparator(_internal_comparator),
skip_filters(_skip_filters),
level(_level) {}
const ImmutableCFOptions& ioptions;
const EnvOptions& env_options;
const InternalKeyComparator& internal_comparator;
// This is only used for BlockBasedTable (reader)
bool skip_filters;
// what level this table/file is on, -1 for "not set, don't know"
int level;
};
struct TableBuilderOptions {
TableBuilderOptions(
const ImmutableCFOptions& _ioptions,
const InternalKeyComparator& _internal_comparator,
const std::vector<std::unique_ptr<IntTblPropCollectorFactory>>*
_int_tbl_prop_collector_factories,
CompressionType _compression_type,
const CompressionOptions& _compression_opts,
const std::string* _compression_dict, bool _skip_filters,
const std::string& _column_family_name, int _level,
const uint64_t _creation_time = 0)
: ioptions(_ioptions),
internal_comparator(_internal_comparator),
int_tbl_prop_collector_factories(_int_tbl_prop_collector_factories),
compression_type(_compression_type),
compression_opts(_compression_opts),
compression_dict(_compression_dict),
skip_filters(_skip_filters),
column_family_name(_column_family_name),
level(_level),
creation_time(_creation_time) {}
const ImmutableCFOptions& ioptions;
const InternalKeyComparator& internal_comparator;
const std::vector<std::unique_ptr<IntTblPropCollectorFactory>>*
int_tbl_prop_collector_factories;
CompressionType compression_type;
const CompressionOptions& compression_opts;
// Data for presetting the compression library's dictionary, or nullptr.
const std::string* compression_dict;
bool skip_filters; // only used by BlockBasedTableBuilder
const std::string& column_family_name;
int level; // what level this table/file is on, -1 for "not set, don't know"
const uint64_t creation_time;
};
// TableBuilder provides the interface used to build a Table
// (an immutable and sorted map from keys to values).
//
// Multiple threads can invoke const methods on a TableBuilder without
// external synchronization, but if any of the threads may call a
// non-const method, all threads accessing the same TableBuilder must use
// external synchronization.
class TableBuilder {
public:
// REQUIRES: Either Finish() or Abandon() has been called.
virtual ~TableBuilder() {}
// Add key,value to the table being constructed.
// REQUIRES: key is after any previously added key according to comparator.
// REQUIRES: Finish(), Abandon() have not been called
virtual void Add(const Slice& key, const Slice& value) = 0;
// Return non-ok iff some error has been detected.
virtual Status status() const = 0;
// Finish building the table.
// REQUIRES: Finish(), Abandon() have not been called
virtual Status Finish() = 0;
// Indicate that the contents of this builder should be abandoned.
// If the caller is not going to call Finish(), it must call Abandon()
// before destroying this builder.
// REQUIRES: Finish(), Abandon() have not been called
virtual void Abandon() = 0;
// Number of calls to Add() so far.
virtual uint64_t NumEntries() const = 0;
// Size of the file generated so far. If invoked after a successful
// Finish() call, returns the size of the final generated file.
virtual uint64_t FileSize() const = 0;
// If the user defined table properties collector suggest the file to
// be further compacted.
virtual bool NeedCompact() const { return false; }
// Returns table properties
virtual TableProperties GetTableProperties() const = 0;
};
} // namespace rocksdb
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