| 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 |