tomFlowee
c63519fa47
The leveldb and univalue 3rd party libraries are not installed and not needed by anyone outside of the Hub. So move them there, making it easier for 3rd party usage.
35 lines
1.2 KiB
C++
35 lines
1.2 KiB
C++
// 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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#ifndef STORAGE_LEVELDB_TABLE_TWO_LEVEL_ITERATOR_H_
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#define STORAGE_LEVELDB_TABLE_TWO_LEVEL_ITERATOR_H_
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#include "leveldb/iterator.h"
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namespace leveldb {
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struct ReadOptions;
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// Return a new two level iterator. A two-level iterator contains an
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// index iterator whose values point to a sequence of blocks where
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// each block is itself a sequence of key,value pairs. The returned
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// two-level iterator yields the concatenation of all key/value pairs
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// in the sequence of blocks. Takes ownership of "index_iter" and
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// will delete it when no longer needed.
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//
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// Uses a supplied function to convert an index_iter value into
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// an iterator over the contents of the corresponding block.
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extern Iterator* NewTwoLevelIterator(
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Iterator* index_iter,
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Iterator* (*block_function)(
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void* arg,
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const ReadOptions& options,
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const Slice& index_value),
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void* arg,
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const ReadOptions& options);
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} // namespace leveldb
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#endif // STORAGE_LEVELDB_TABLE_TWO_LEVEL_ITERATOR_H_
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