1 | //===----------------------------------------------------------------------===// |
---|---|
2 | // DuckDB |
3 | // |
4 | // duckdb/main/relation/distinct_relation.hpp |
5 | // |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | #pragma once |
10 | |
11 | #include "duckdb/main/relation.hpp" |
12 | |
13 | namespace duckdb { |
14 | |
15 | class DistinctRelation : public Relation { |
16 | public: |
17 | explicit DistinctRelation(shared_ptr<Relation> child); |
18 | |
19 | shared_ptr<Relation> child; |
20 | |
21 | public: |
22 | unique_ptr<QueryNode> GetQueryNode() override; |
23 | |
24 | const vector<ColumnDefinition> &Columns() override; |
25 | string ToString(idx_t depth) override; |
26 | string GetAlias() override; |
27 | |
28 | public: |
29 | bool InheritsColumnBindings() override { |
30 | return true; |
31 | } |
32 | Relation *ChildRelation() override { |
33 | return child.get(); |
34 | } |
35 | }; |
36 | |
37 | } // namespace duckdb |
38 |