| 1 | //===----------------------------------------------------------------------===// |
|---|---|
| 2 | // DuckDB |
| 3 | // |
| 4 | // duckdb/parser/statement/select_statement.hpp |
| 5 | // |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #pragma once |
| 10 | |
| 11 | #include "duckdb/common/unordered_map.hpp" |
| 12 | #include "duckdb/parser/parsed_expression.hpp" |
| 13 | #include "duckdb/parser/sql_statement.hpp" |
| 14 | #include "duckdb/parser/tableref.hpp" |
| 15 | #include "duckdb/parser/query_node.hpp" |
| 16 | |
| 17 | namespace duckdb { |
| 18 | |
| 19 | class QueryNode; |
| 20 | class FormatSerializer; |
| 21 | class FormatDeserializer; |
| 22 | |
| 23 | //! SelectStatement is a typical SELECT clause |
| 24 | class SelectStatement : public SQLStatement { |
| 25 | public: |
| 26 | static constexpr const StatementType TYPE = StatementType::SELECT_STATEMENT; |
| 27 | |
| 28 | public: |
| 29 | SelectStatement() : SQLStatement(StatementType::SELECT_STATEMENT) { |
| 30 | } |
| 31 | |
| 32 | //! The main query node |
| 33 | unique_ptr<QueryNode> node; |
| 34 | |
| 35 | protected: |
| 36 | SelectStatement(const SelectStatement &other); |
| 37 | |
| 38 | public: |
| 39 | //! Convert the SELECT statement to a string |
| 40 | DUCKDB_API string ToString() const override; |
| 41 | //! Create a copy of this SelectStatement |
| 42 | DUCKDB_API unique_ptr<SQLStatement> Copy() const override; |
| 43 | //! Serializes a SelectStatement to a stand-alone binary blob |
| 44 | void Serialize(Serializer &serializer) const; |
| 45 | //! Deserializes a blob back into a SelectStatement, returns nullptr if |
| 46 | //! deserialization is not possible |
| 47 | static unique_ptr<SelectStatement> Deserialize(Deserializer &source); |
| 48 | //! Whether or not the statements are equivalent |
| 49 | bool Equals(const SQLStatement &other) const; |
| 50 | |
| 51 | void FormatSerialize(FormatSerializer &serializer) const; |
| 52 | static unique_ptr<SelectStatement> FormatDeserialize(FormatDeserializer &deserializer); |
| 53 | }; |
| 54 | } // namespace duckdb |
| 55 |