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44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Modified by Cloudius Systems
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* Copyright 2015 Cloudius Systems
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*/
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#pragma once
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#include "cell.hh"
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#include <cstdint>
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namespace db {
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/**
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* A counter update while it hasn't been applied yet by the leader replica.
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*
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* Contains a single counter update. When applied by the leader replica, this
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* is transformed to a relevant CounterCell. This Cell is a temporary data
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* structure that should never be stored inside a memtable or an sstable.
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*/
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class counter_update_cell : public cell {
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public:
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virtual int64_t delta() = 0;
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};
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}
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