SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function groupUniqArrayMerge (children 1)
     ExpressionList (children 1)
      Function multiply (children 1)
       ExpressionList (children 2)
        Identifier y
        Literal UInt64_5
   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 groupUniqArrayState (alias y) (children 1)
            ExpressionList (children 1)
             Identifier x
          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_1 (alias x)
