| 146 | }; |
| 147 | |
| 148 | QueryTreeNodePtr QueryTreeBuilder::buildQueryTreeNode(ASTPtr query_, ContextPtr context_) |
| 149 | { |
| 150 | auto query = query_->clone(); |
| 151 | QueryTreeNodePtr query_tree_node; |
| 152 | |
| 153 | if (query->as<ASTSelectWithUnionQuery>() || |
| 154 | query->as<ASTSelectIntersectExceptQuery>() || |
| 155 | query->as<ASTSelectQuery>()) |
| 156 | query_tree_node = buildSelectOrUnionExpression(query, false /*is_subquery*/, {} /*cte_name*/, nullptr /*aliases*/, context_); |
| 157 | else if (query->as<ASTExpressionList>()) |
| 158 | query_tree_node = buildExpressionList(query, context_); |
| 159 | else |
| 160 | query_tree_node = buildExpression(query, context_); |
| 161 | |
| 162 | return query_tree_node; |
| 163 | } |
| 164 | |
| 165 | QueryTreeNodePtr QueryTreeBuilder::buildSelectOrUnionExpression( |
| 166 | const ASTPtr & select_or_union_query, |