| 1 | //===----------------------------------------------------------------------===// |
|---|---|
| 2 | // DuckDB |
| 3 | // |
| 4 | // duckdb/parser/constraints/check_constraint.hpp |
| 5 | // |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #pragma once |
| 10 | |
| 11 | #include "duckdb/common/string_util.hpp" |
| 12 | #include "duckdb/parser/constraint.hpp" |
| 13 | #include "duckdb/parser/parsed_expression.hpp" |
| 14 | |
| 15 | namespace duckdb { |
| 16 | |
| 17 | //! The CheckConstraint contains an expression that must evaluate to TRUE for |
| 18 | //! every row in a table |
| 19 | class CheckConstraint : public Constraint { |
| 20 | public: |
| 21 | static constexpr const ConstraintType TYPE = ConstraintType::CHECK; |
| 22 | |
| 23 | public: |
| 24 | DUCKDB_API explicit CheckConstraint(unique_ptr<ParsedExpression> expression); |
| 25 | |
| 26 | unique_ptr<ParsedExpression> expression; |
| 27 | |
| 28 | public: |
| 29 | DUCKDB_API string ToString() const override; |
| 30 | |
| 31 | DUCKDB_API unique_ptr<Constraint> Copy() const override; |
| 32 | |
| 33 | DUCKDB_API void Serialize(FieldWriter &writer) const override; |
| 34 | DUCKDB_API static unique_ptr<Constraint> Deserialize(FieldReader &source); |
| 35 | }; |
| 36 | |
| 37 | } // namespace duckdb |
| 38 |