| 1 | //===----------------------------------------------------------------------===// |
| 2 | // DuckDB |
| 3 | // |
| 4 | // duckdb/planner/bound_query_node.hpp |
| 5 | // |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #pragma once |
| 10 | |
| 11 | #include "duckdb/planner/expression.hpp" |
| 12 | #include "duckdb/planner/bound_result_modifier.hpp" |
| 13 | #include "duckdb/parser/query_node.hpp" |
| 14 | |
| 15 | namespace duckdb { |
| 16 | |
| 17 | //! Bound equivalent of QueryNode |
| 18 | class BoundQueryNode { |
| 19 | public: |
| 20 | explicit BoundQueryNode(QueryNodeType type) : type(type) { |
| 21 | } |
| 22 | virtual ~BoundQueryNode() { |
| 23 | } |
| 24 | |
| 25 | //! The type of the query node, either SetOperation or Select |
| 26 | QueryNodeType type; |
| 27 | //! The result modifiers that should be applied to this query node |
| 28 | vector<unique_ptr<BoundResultModifier>> modifiers; |
| 29 | |
| 30 | //! The names returned by this QueryNode. |
| 31 | vector<string> names; |
| 32 | //! The types returned by this QueryNode. |
| 33 | vector<LogicalType> types; |
| 34 | |
| 35 | public: |
| 36 | virtual idx_t GetRootIndex() = 0; |
| 37 | |
| 38 | public: |
| 39 | template <class TARGET> |
| 40 | TARGET &Cast() { |
| 41 | if (type != TARGET::TYPE) { |
| 42 | throw InternalException("Failed to cast bound query node to type - query node type mismatch" ); |
| 43 | } |
| 44 | return reinterpret_cast<TARGET &>(*this); |
| 45 | } |
| 46 | |
| 47 | template <class TARGET> |
| 48 | const TARGET &Cast() const { |
| 49 | if (type != TARGET::TYPE) { |
| 50 | throw InternalException("Failed to cast bound query node to type - query node type mismatch" ); |
| 51 | } |
| 52 | return reinterpret_cast<const TARGET &>(*this); |
| 53 | } |
| 54 | }; |
| 55 | |
| 56 | } // namespace duckdb |
| 57 | |