add recursive cte bindings

Author: Dtenwolde

src/planner/binder/tableref/bind_basetableref.cpp

@@ -189,6 +189,18 @@ unique_ptr<BoundTableRef> Binder::Bind(BaseTableRef &ref) {
 					                      "referenced from this part of the query.",
 					                      ref.table_name);
 				}
+				// Move CTE to subquery and bind recursively
+				SubqueryRef subquery(unique_ptr_cast<SQLStatement, SelectStatement>(cte.query->Copy()));
+				subquery.alias = ref.alias.empty() ? ref.table_name : ref.alias;
+				subquery.column_name_alias = cte.aliases;
+				for (idx_t i = 0; i < ref.column_name_alias.size(); i++) {
+					if (i < subquery.column_name_alias.size()) {
+						subquery.column_name_alias[i] = ref.column_name_alias[i];
+					} else {
+						subquery.column_name_alias.push_back(ref.column_name_alias[i]);
+					}
+				}
+				return Bind(subquery, &found_cte.get());
 			}
 		}
 		if (circular_cte) {