1 | //===----------------------------------------------------------------------===// |
---|---|
2 | // DuckDB |
3 | // |
4 | // duckdb/parser/expression/default_expression.hpp |
5 | // |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | #pragma once |
10 | |
11 | #include "duckdb/parser/parsed_expression.hpp" |
12 | |
13 | namespace duckdb { |
14 | //! Represents the default value of a column |
15 | class DefaultExpression : public ParsedExpression { |
16 | public: |
17 | static constexpr const ExpressionClass TYPE = ExpressionClass::DEFAULT; |
18 | |
19 | public: |
20 | DefaultExpression(); |
21 | |
22 | public: |
23 | bool IsScalar() const override { |
24 | return false; |
25 | } |
26 | |
27 | string ToString() const override; |
28 | |
29 | unique_ptr<ParsedExpression> Copy() const override; |
30 | |
31 | void Serialize(FieldWriter &writer) const override; |
32 | static unique_ptr<ParsedExpression> Deserialize(ExpressionType type, FieldReader &source); |
33 | void FormatSerialize(FormatSerializer &serializer) const override; |
34 | }; |
35 | } // namespace duckdb |
36 |