mirror of https://github.com/facebook/rocksdb.git
53 lines
1.9 KiB
C++
53 lines
1.9 KiB
C++
|
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
|
||
|
|
// This source code is licensed under the BSD-style license found in the
|
||
|
|
// LICENSE file in the root directory of this source tree. An additional grant
|
||
|
|
// of patent rights can be found in the PATENTS file in the same 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 "table/index_builder.h"
|
||
|
|
#include <assert.h>
|
||
|
|
#include <inttypes.h>
|
||
|
|
#include <list>
|
||
|
|
#include <string>
|
||
|
|
|
||
|
|
#include "rocksdb/comparator.h"
|
||
|
|
#include "table/format.h"
|
||
|
|
#include "table/partitioned_filter_block.h"
|
||
|
|
|
||
|
|
// Without anonymous namespace here, we fail the warning -Wmissing-prototypes
|
||
|
|
namespace rocksdb {
|
||
|
|
// using namespace rocksdb;
|
||
|
|
// Create a index builder based on its type.
|
||
|
|
IndexBuilder* IndexBuilder::CreateIndexBuilder(
|
||
|
|
BlockBasedTableOptions::IndexType index_type,
|
||
|
|
const InternalKeyComparator* comparator,
|
||
|
|
const SliceTransform* prefix_extractor, int index_block_restart_interval,
|
||
|
|
uint64_t index_per_partition) {
|
||
|
|
switch (index_type) {
|
||
|
|
case BlockBasedTableOptions::kBinarySearch: {
|
||
|
|
return new ShortenedIndexBuilder(comparator,
|
||
|
|
index_block_restart_interval);
|
||
|
|
}
|
||
|
|
case BlockBasedTableOptions::kHashSearch: {
|
||
|
|
return new HashIndexBuilder(comparator, prefix_extractor,
|
||
|
|
index_block_restart_interval);
|
||
|
|
}
|
||
|
|
case BlockBasedTableOptions::kTwoLevelIndexSearch: {
|
||
|
|
return new PartitionIndexBuilder(comparator, prefix_extractor,
|
||
|
|
index_per_partition,
|
||
|
|
index_block_restart_interval);
|
||
|
|
}
|
||
|
|
default: {
|
||
|
|
assert(!"Do not recognize the index type ");
|
||
|
|
return nullptr;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// impossible.
|
||
|
|
assert(false);
|
||
|
|
return nullptr;
|
||
|
|
}
|
||
|
|
} // namespace rocksdb
|