blob: 199be8a47065cfd64219014879b3ed00e4fb1ced (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "expressionnode.h"
namespace search::expression {
class AggregationRefNode : public ExpressionNode
{
public:
DECLARE_NBO_SERIALIZE;
void visitMembers(vespalib::ObjectVisitor &visitor) const override;
DECLARE_EXPRESSIONNODE(AggregationRefNode);
AggregationRefNode() : _index(0), _expressionNode(nullptr) { }
AggregationRefNode(uint32_t index) : _index(index), _expressionNode(nullptr) { }
AggregationRefNode(const AggregationRefNode & rhs);
AggregationRefNode & operator = (const AggregationRefNode & exprref);
ExpressionNode *getExpression() { return _expressionNode; }
const ResultNode * getResult() const override { return _expressionNode->getResult(); }
void onPrepare(bool preserveAccurateTypes) override { _expressionNode->prepare(preserveAccurateTypes); }
bool onExecute() const override;
void locateExpression(ExpressionNodeArray & exprVec) const;
private:
uint32_t _index;
mutable ExpressionNode *_expressionNode;
};
}
|
