| 1 | //===----------------------------------------------------------------------===// |
|---|---|
| 2 | // DuckDB |
| 3 | // |
| 4 | // duckdb/planner/operator/logical_cteref.hpp |
| 5 | // |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #pragma once |
| 10 | |
| 11 | #include "duckdb/common/types/chunk_collection.hpp" |
| 12 | #include "duckdb/planner/logical_operator.hpp" |
| 13 | |
| 14 | namespace duckdb { |
| 15 | |
| 16 | //! LogicalCTERef represents a reference to a recursive CTE |
| 17 | class LogicalCTERef : public LogicalOperator { |
| 18 | public: |
| 19 | static constexpr const LogicalOperatorType TYPE = LogicalOperatorType::LOGICAL_CTE_REF; |
| 20 | |
| 21 | public: |
| 22 | LogicalCTERef(idx_t table_index, idx_t cte_index, vector<LogicalType> types, vector<string> colnames) |
| 23 | : LogicalOperator(LogicalOperatorType::LOGICAL_CTE_REF), table_index(table_index), cte_index(cte_index) { |
| 24 | D_ASSERT(types.size() > 0); |
| 25 | chunk_types = types; |
| 26 | bound_columns = colnames; |
| 27 | } |
| 28 | |
| 29 | vector<string> bound_columns; |
| 30 | //! The table index in the current bind context |
| 31 | idx_t table_index; |
| 32 | //! CTE index |
| 33 | idx_t cte_index; |
| 34 | //! The types of the chunk |
| 35 | vector<LogicalType> chunk_types; |
| 36 | |
| 37 | public: |
| 38 | vector<ColumnBinding> GetColumnBindings() override { |
| 39 | return GenerateColumnBindings(table_idx: table_index, column_count: chunk_types.size()); |
| 40 | } |
| 41 | void Serialize(FieldWriter &writer) const override; |
| 42 | static unique_ptr<LogicalOperator> Deserialize(LogicalDeserializationState &state, FieldReader &reader); |
| 43 | vector<idx_t> GetTableIndex() const override; |
| 44 | string GetName() const override; |
| 45 | |
| 46 | protected: |
| 47 | void ResolveTypes() override { |
| 48 | // types are resolved in the constructor |
| 49 | this->types = chunk_types; |
| 50 | } |
| 51 | }; |
| 52 | } // namespace duckdb |
| 53 |