| 1 | //===----------------------------------------------------------------------===// |
|---|---|
| 2 | // DuckDB |
| 3 | // |
| 4 | // duckdb/parser/statement/update_statement.hpp |
| 5 | // |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #pragma once |
| 10 | |
| 11 | #include "duckdb/parser/parsed_expression.hpp" |
| 12 | #include "duckdb/parser/sql_statement.hpp" |
| 13 | #include "duckdb/parser/tableref.hpp" |
| 14 | #include "duckdb/common/vector.hpp" |
| 15 | #include "duckdb/parser/query_node.hpp" |
| 16 | |
| 17 | namespace duckdb { |
| 18 | |
| 19 | class UpdateSetInfo { |
| 20 | public: |
| 21 | UpdateSetInfo(); |
| 22 | |
| 23 | public: |
| 24 | unique_ptr<UpdateSetInfo> Copy() const; |
| 25 | |
| 26 | public: |
| 27 | // The condition that needs to be met to perform the update |
| 28 | unique_ptr<ParsedExpression> condition; |
| 29 | // The columns to update |
| 30 | vector<string> columns; |
| 31 | // The set expressions to execute |
| 32 | vector<unique_ptr<ParsedExpression>> expressions; |
| 33 | |
| 34 | protected: |
| 35 | UpdateSetInfo(const UpdateSetInfo &other); |
| 36 | }; |
| 37 | |
| 38 | class UpdateStatement : public SQLStatement { |
| 39 | public: |
| 40 | static constexpr const StatementType TYPE = StatementType::UPDATE_STATEMENT; |
| 41 | |
| 42 | public: |
| 43 | UpdateStatement(); |
| 44 | |
| 45 | unique_ptr<TableRef> table; |
| 46 | unique_ptr<TableRef> from_table; |
| 47 | //! keep track of optional returningList if statement contains a RETURNING keyword |
| 48 | vector<unique_ptr<ParsedExpression>> returning_list; |
| 49 | unique_ptr<UpdateSetInfo> set_info; |
| 50 | //! CTEs |
| 51 | CommonTableExpressionMap cte_map; |
| 52 | |
| 53 | protected: |
| 54 | UpdateStatement(const UpdateStatement &other); |
| 55 | |
| 56 | public: |
| 57 | string ToString() const override; |
| 58 | unique_ptr<SQLStatement> Copy() const override; |
| 59 | }; |
| 60 | |
| 61 | } // namespace duckdb |
| 62 |