SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function groupArrayMerge (children 2)
     ExpressionList (children 1)
      Function multiply (children 1)
       ExpressionList (children 2)
        Identifier y
        Literal UInt64_1048576
     ExpressionList (children 1)
      Literal UInt64_1048577
   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 groupArrayState (alias y) (children 2)
            ExpressionList (children 1)
             Identifier x
            ExpressionList (children 1)
             Literal UInt64_9223372036854775807
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Subquery (children 1)
              SelectWithUnionQuery (children 1)
               ExpressionList (children 1)
                SelectQuery (children 1)
                 ExpressionList (children 1)
                  Literal UInt64_1048576 (alias x)
 Identifier Null