SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    Identifier x
    Function sum (children 1)
     ExpressionList (children 1)
      Identifier number
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 2)
           Identifier t1.x
           Identifier t2.number
          TablesInSelectQuery (children 2)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier t1
           TablesInSelectQueryElement (children 2)
            TableExpression (children 1)
             Function numbers_mt (alias t2) (children 1)
              ExpressionList (children 1)
               Literal UInt64_10000000
            TableJoin
          Function lessOrEquals (children 1)
           ExpressionList (children 2)
            Identifier number
            Identifier x
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier x
