| 1 | #include "duckdb/main/relation/distinct_relation.hpp" |
|---|---|
| 2 | #include "duckdb/main/client_context.hpp" |
| 3 | #include "duckdb/parser/query_node.hpp" |
| 4 | |
| 5 | namespace duckdb { |
| 6 | |
| 7 | DistinctRelation::DistinctRelation(shared_ptr<Relation> child_p) |
| 8 | : Relation(child_p->context, RelationType::DISTINCT_RELATION), child(move(child_p)) { |
| 9 | vector<ColumnDefinition> dummy_columns; |
| 10 | context.TryBindRelation(*this, dummy_columns); |
| 11 | } |
| 12 | |
| 13 | unique_ptr<QueryNode> DistinctRelation::GetQueryNode() { |
| 14 | auto child_node = child->GetQueryNode(); |
| 15 | child_node->modifiers.push_back(make_unique<DistinctModifier>()); |
| 16 | return child_node; |
| 17 | } |
| 18 | |
| 19 | string DistinctRelation::GetAlias() { |
| 20 | return child->GetAlias(); |
| 21 | } |
| 22 | |
| 23 | const vector<ColumnDefinition> &DistinctRelation::Columns() { |
| 24 | return child->Columns(); |
| 25 | } |
| 26 | |
| 27 | string DistinctRelation::ToString(idx_t depth) { |
| 28 | string str = RenderWhitespace(depth) + "Distinct\n"; |
| 29 | return str + child->ToString(depth + 1); |
| 30 | ; |
| 31 | } |
| 32 | |
| 33 | } // namespace duckdb |
| 34 |