1 | //===----------------------------------------------------------------------===// |
---|---|
2 | // DuckDB |
3 | // |
4 | // duckdb/parser/expression/conjunction_expression.hpp |
5 | // |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | #pragma once |
10 | |
11 | #include "duckdb/parser/parsed_expression.hpp" |
12 | #include "duckdb/common/vector.hpp" |
13 | |
14 | namespace duckdb { |
15 | |
16 | //! Represents a conjunction (AND/OR) |
17 | class ConjunctionExpression : public ParsedExpression { |
18 | public: |
19 | static constexpr const ExpressionClass TYPE = ExpressionClass::CONJUNCTION; |
20 | |
21 | public: |
22 | DUCKDB_API explicit ConjunctionExpression(ExpressionType type); |
23 | DUCKDB_API ConjunctionExpression(ExpressionType type, vector<unique_ptr<ParsedExpression>> children); |
24 | DUCKDB_API ConjunctionExpression(ExpressionType type, unique_ptr<ParsedExpression> left, |
25 | unique_ptr<ParsedExpression> right); |
26 | |
27 | vector<unique_ptr<ParsedExpression>> children; |
28 | |
29 | public: |
30 | void AddExpression(unique_ptr<ParsedExpression> expr); |
31 | |
32 | string ToString() const override; |
33 | |
34 | static bool Equal(const ConjunctionExpression &a, const ConjunctionExpression &b); |
35 | |
36 | unique_ptr<ParsedExpression> Copy() const override; |
37 | |
38 | void Serialize(FieldWriter &writer) const override; |
39 | static unique_ptr<ParsedExpression> Deserialize(ExpressionType type, FieldReader &source); |
40 | void FormatSerialize(FormatSerializer &serializer) const override; |
41 | static unique_ptr<ParsedExpression> FormatDeserialize(ExpressionType type, FormatDeserializer &deserializer); |
42 | |
43 | public: |
44 | template <class T, class BASE> |
45 | static string ToString(const T &entry) { |
46 | string result = "("+ entry.children[0]->ToString(); |
47 | for (idx_t i = 1; i < entry.children.size(); i++) { |
48 | result += " "+ ExpressionTypeToOperator(entry.type) + " "+ entry.children[i]->ToString(); |
49 | } |
50 | return result + ")"; |
51 | } |
52 | }; |
53 | } // namespace duckdb |
54 |