docs: private StmtCommonTableScan resolveCommonTableByName(String tableName, String tableAlias) {
          StmtCommonTableScan answer = null;
          StmtCommonTableScanShared scan = null;
          for (AbstractParsedStmt scope = this; scope != null && scan == null; scope = scope.getParentStmt()) {
              scan = scope.getCommonTableByName(tableName);
          }
          if (scan != null) {
              answer = new StmtCommonTableScan(tableName, tableAlias, scan);
          }
          return answer;
      }