| 1 | //===----------------------------------------------------------------------===// |
|---|---|
| 2 | // DuckDB |
| 3 | // |
| 4 | // duckdb/planner/expression_binder/select_binder.hpp |
| 5 | // |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #pragma once |
| 10 | |
| 11 | #include "duckdb/planner/expression_binder/base_select_binder.hpp" |
| 12 | |
| 13 | namespace duckdb { |
| 14 | |
| 15 | //! The SELECT binder is responsible for binding an expression within the SELECT clause of a SQL statement |
| 16 | class SelectBinder : public BaseSelectBinder { |
| 17 | public: |
| 18 | SelectBinder(Binder &binder, ClientContext &context, BoundSelectNode &node, BoundGroupInformation &info, |
| 19 | case_insensitive_map_t<idx_t> alias_map); |
| 20 | SelectBinder(Binder &binder, ClientContext &context, BoundSelectNode &node, BoundGroupInformation &info); |
| 21 | |
| 22 | bool HasExpandedExpressions() { |
| 23 | return !expanded_expressions.empty(); |
| 24 | } |
| 25 | vector<unique_ptr<Expression>> &ExpandedExpressions() { |
| 26 | return expanded_expressions; |
| 27 | } |
| 28 | |
| 29 | protected: |
| 30 | BindResult BindUnnest(FunctionExpression &function, idx_t depth, bool root_expression) override; |
| 31 | |
| 32 | idx_t unnest_level = 0; |
| 33 | vector<unique_ptr<Expression>> expanded_expressions; |
| 34 | }; |
| 35 | |
| 36 | } // namespace duckdb |
| 37 |