OmniSciDB  ab4938a6a3
TableGenerations.h
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1 /*
2  * Copyright 2017 MapD Technologies, Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef QUERYENGINE_TABLEGENERATIONS_H
18 #define QUERYENGINE_TABLEGENERATIONS_H
19 
20 #include <cstdint>
21 #include <unordered_map>
22 
24  size_t tuple_count;
25  size_t start_rowid;
26 };
27 
29  public:
30  void setGeneration(const uint32_t id, const TableGeneration& generation);
31 
32  const TableGeneration& getGeneration(const uint32_t id) const;
33 
34  const std::unordered_map<uint32_t, TableGeneration>& asMap() const;
35 
36  void clear();
37 
38  private:
39  std::unordered_map<uint32_t, TableGeneration> id_to_generation_;
40 };
41 
42 #endif // QUERYENGINE_TABLEGENERATIONS_H
std::unordered_map< uint32_t, TableGeneration > id_to_generation_