| 1 | //===----------------------------------------------------------------------===// |
|---|---|
| 2 | // DuckDB |
| 3 | // |
| 4 | // duckdb/main/relation/query_relation.hpp |
| 5 | // |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #pragma once |
| 10 | |
| 11 | #include "duckdb/main/relation.hpp" |
| 12 | #include "duckdb/parser/query_node.hpp" |
| 13 | |
| 14 | namespace duckdb { |
| 15 | class SelectStatement; |
| 16 | |
| 17 | class QueryRelation : public Relation { |
| 18 | public: |
| 19 | QueryRelation(const std::shared_ptr<ClientContext> &context, unique_ptr<SelectStatement> select_stmt, string alias); |
| 20 | ~QueryRelation(); |
| 21 | |
| 22 | unique_ptr<SelectStatement> select_stmt; |
| 23 | string alias; |
| 24 | vector<ColumnDefinition> columns; |
| 25 | |
| 26 | public: |
| 27 | static unique_ptr<SelectStatement> ParseStatement(ClientContext &context, const string &query, const string &error); |
| 28 | unique_ptr<QueryNode> GetQueryNode() override; |
| 29 | unique_ptr<TableRef> GetTableRef() override; |
| 30 | |
| 31 | const vector<ColumnDefinition> &Columns() override; |
| 32 | string ToString(idx_t depth) override; |
| 33 | string GetAlias() override; |
| 34 | |
| 35 | private: |
| 36 | unique_ptr<SelectStatement> GetSelectStatement(); |
| 37 | }; |
| 38 | |
| 39 | } // namespace duckdb |
| 40 |