| 1 | //===----------------------------------------------------------------------===// |
|---|---|
| 2 | // DuckDB |
| 3 | // |
| 4 | // duckdb/planner/operator/logical_set_operation.hpp |
| 5 | // |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #pragma once |
| 10 | |
| 11 | #include "duckdb/planner/logical_operator.hpp" |
| 12 | |
| 13 | namespace duckdb { |
| 14 | |
| 15 | class LogicalSetOperation : public LogicalOperator { |
| 16 | public: |
| 17 | LogicalSetOperation(idx_t table_index, idx_t column_count, unique_ptr<LogicalOperator> top, |
| 18 | unique_ptr<LogicalOperator> bottom, LogicalOperatorType type) |
| 19 | : LogicalOperator(type), table_index(table_index), column_count(column_count) { |
| 20 | assert(type == LogicalOperatorType::UNION || type == LogicalOperatorType::EXCEPT || |
| 21 | type == LogicalOperatorType::INTERSECT); |
| 22 | children.push_back(move(top)); |
| 23 | children.push_back(move(bottom)); |
| 24 | } |
| 25 | |
| 26 | idx_t table_index; |
| 27 | idx_t column_count; |
| 28 | |
| 29 | public: |
| 30 | vector<ColumnBinding> GetColumnBindings() override { |
| 31 | return GenerateColumnBindings(table_index, column_count); |
| 32 | } |
| 33 | |
| 34 | protected: |
| 35 | void ResolveTypes() override { |
| 36 | types = children[0]->types; |
| 37 | } |
| 38 | }; |
| 39 | } // namespace duckdb |
| 40 |