SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    Function greater (children 1)
     ExpressionList (children 2)
      Identifier dummy
      Literal UInt64_0
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Function any (children 1)
       ExpressionList (children 1)
        Identifier dummy
    Function any (children 1)
     ExpressionList (children 1)
      Function toTypeName (children 1)
       ExpressionList (children 1)
        Identifier dummy
   TablesInSelectQuery (children 3)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (alias x) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Function array (alias dummy) (children 1)
            ExpressionList (children 2)
             Function toUInt32 (children 1)
              ExpressionList (children 1)
               Identifier dummy
             Function toUInt32 (children 1)
              ExpressionList (children 1)
               Identifier dummy
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier system.one
    TablesInSelectQueryElement (children 1)
     ArrayJoin (children 1)
      ExpressionList (children 1)
       Identifier dummy
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      Subquery (alias y) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Function toInt32 (alias dummy) (children 1)
            ExpressionList (children 1)
             Identifier dummy
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier system.one
     TableJoin (children 1)
      ExpressionList (children 1)
       Identifier dummy
   ExpressionList (children 1)
    Function greater (children 1)
     ExpressionList (children 2)
      Identifier dummy
      Literal UInt64_0
