| 1 | //===----------------------------------------------------------------------===// |
|---|---|
| 2 | // DuckDB |
| 3 | // |
| 4 | // duckdb/planner/expression/bound_function_expression.hpp |
| 5 | // |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #pragma once |
| 10 | |
| 11 | #include "duckdb/function/scalar_function.hpp" |
| 12 | #include "duckdb/planner/expression.hpp" |
| 13 | |
| 14 | namespace duckdb { |
| 15 | class ScalarFunctionCatalogEntry; |
| 16 | |
| 17 | //! Represents a function call that has been bound to a base function |
| 18 | class BoundFunctionExpression : public Expression { |
| 19 | public: |
| 20 | static constexpr const ExpressionClass TYPE = ExpressionClass::BOUND_FUNCTION; |
| 21 | |
| 22 | public: |
| 23 | BoundFunctionExpression(LogicalType return_type, ScalarFunction bound_function, |
| 24 | vector<unique_ptr<Expression>> arguments, unique_ptr<FunctionData> bind_info, |
| 25 | bool is_operator = false); |
| 26 | |
| 27 | //! The bound function expression |
| 28 | ScalarFunction function; |
| 29 | //! List of child-expressions of the function |
| 30 | vector<unique_ptr<Expression>> children; |
| 31 | //! The bound function data (if any) |
| 32 | unique_ptr<FunctionData> bind_info; |
| 33 | //! Whether or not the function is an operator, only used for rendering |
| 34 | bool is_operator; |
| 35 | |
| 36 | public: |
| 37 | bool HasSideEffects() const override; |
| 38 | bool IsFoldable() const override; |
| 39 | string ToString() const override; |
| 40 | bool PropagatesNullValues() const override; |
| 41 | hash_t Hash() const override; |
| 42 | bool Equals(const BaseExpression &other) const override; |
| 43 | |
| 44 | unique_ptr<Expression> Copy() override; |
| 45 | void Verify() const override; |
| 46 | |
| 47 | void Serialize(FieldWriter &writer) const override; |
| 48 | static unique_ptr<Expression> Deserialize(ExpressionDeserializationState &state, FieldReader &reader); |
| 49 | }; |
| 50 | } // namespace duckdb |
| 51 |