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AggregatedColRange.h
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1 /*
2  * Copyright 2022 HEAVY.AI, 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
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13  * See the License for the specific language governing permissions and
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16 
23 #ifndef QUERYENGINE_AGGREGATEDCOLRANGECACHE_H
24 #define QUERYENGINE_AGGREGATEDCOLRANGECACHE_H
25 
26 #include "ExpressionRange.h"
28 
29 #include <unordered_map>
30 
32  public:
34 
35  void setColRange(const PhysicalInput&, const ExpressionRange&);
36 
37  const std::unordered_map<PhysicalInput, ExpressionRange>& asMap() const;
38 
39  void clear();
40 
41  private:
42  std::unordered_map<PhysicalInput, ExpressionRange> cache_;
43 };
44 
45 #endif // QUERYENGINE_AGGREGATEDCOLRANGECACHE_H
ExpressionRange getColRange(const PhysicalInput &) const
const std::unordered_map< PhysicalInput, ExpressionRange > & asMap() const
Find out all the physical inputs (columns) a query is using.
void setColRange(const PhysicalInput &, const ExpressionRange &)
std::unordered_map< PhysicalInput, ExpressionRange > cache_