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.
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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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#include "table/index_builder.h"
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#include <assert.h>
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#include <inttypes.h>
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#include <list>
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#include <string>
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#include "rocksdb/comparator.h"
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#include "table/format.h"
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#include "table/partitioned_filter_block.h"
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// Without anonymous namespace here, we fail the warning -Wmissing-prototypes
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namespace rocksdb {
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// using namespace rocksdb;
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// Create a index builder based on its type.
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IndexBuilder* IndexBuilder::CreateIndexBuilder(
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BlockBasedTableOptions::IndexType index_type,
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const InternalKeyComparator* comparator,
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const SliceTransform* prefix_extractor, int index_block_restart_interval,
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uint64_t index_per_partition) {
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switch (index_type) {
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case BlockBasedTableOptions::kBinarySearch: {
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return new ShortenedIndexBuilder(comparator,
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index_block_restart_interval);
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}
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case BlockBasedTableOptions::kHashSearch: {
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return new HashIndexBuilder(comparator, prefix_extractor,
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index_block_restart_interval);
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}
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case BlockBasedTableOptions::kTwoLevelIndexSearch: {
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return new PartitionIndexBuilder(comparator, prefix_extractor,
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index_per_partition,
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index_block_restart_interval);
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}
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default: {
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assert(!"Do not recognize the index type ");
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return nullptr;
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}
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}
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// impossible.
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assert(false);
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return nullptr;
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}
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} // namespace rocksdb
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