SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Literal UInt64_1091 (alias id)
   ExpressionList (children 1)
    Function sum (children 1)
     ExpressionList (children 1)
      Identifier number
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers_mt (children 1)
       ExpressionList (children 1)
        Literal UInt64_1000000