Revision 3204a4f64bc718a3138d867e8083a2f71d01ec63 authored by lxcode on 15 August 2017, 19:17:13 UTC, committed by Facebook Github Bot on 15 August 2017, 19:32:11 UTC
Summary: If ROCKSDB_LITE is defined, a call to abort() is introduced. This call requires stdlib.h. Build log of unpatched 5.7.1: http://beefy9.nyi.freebsd.org/data/110amd64-default/447974/logs/rocksdb-lite-5.7.1.log Closes https://github.com/facebook/rocksdb/pull/2744 Reviewed By: yiwu-arbug Differential Revision: D5632372 Pulled By: lxcode fbshipit-source-id: b2a8e692bf14ccf1f875f3a00463e87bba310a2b
1 parent 7aa96db
iter_heap.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).
//
#pragma once
#include "rocksdb/comparator.h"
#include "table/iterator_wrapper.h"
namespace rocksdb {
// When used with std::priority_queue, this comparison functor puts the
// iterator with the max/largest key on top.
class MaxIteratorComparator {
public:
MaxIteratorComparator(const Comparator* comparator) :
comparator_(comparator) {}
bool operator()(IteratorWrapper* a, IteratorWrapper* b) const {
return comparator_->Compare(a->key(), b->key()) < 0;
}
private:
const Comparator* comparator_;
};
// When used with std::priority_queue, this comparison functor puts the
// iterator with the min/smallest key on top.
class MinIteratorComparator {
public:
MinIteratorComparator(const Comparator* comparator) :
comparator_(comparator) {}
bool operator()(IteratorWrapper* a, IteratorWrapper* b) const {
return comparator_->Compare(a->key(), b->key()) > 0;
}
private:
const Comparator* comparator_;
};
} // namespace rocksdb
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