SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function sumMerge (alias z) (children 1)
     ExpressionList (children 1)
      Identifier y
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Function multiply (alias y) (children 1)
            ExpressionList (children 2)
             Function sumState (children 1)
              ExpressionList (children 1)
               Identifier x
             Literal UInt64_11
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Subquery (children 1)
              SelectWithUnionQuery (children 1)
               ExpressionList (children 2)
                SelectQuery (children 1)
                 ExpressionList (children 1)
                  Literal UInt64_1 (alias x)
                SelectQuery (children 1)
                 ExpressionList (children 1)
                  Literal UInt64_2 (alias x)
