SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function arrayMap (children 1)
     ExpressionList (children 3)
      Function lambda (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 2)
          Identifier x
          Identifier y
        Function tuple (children 1)
         ExpressionList (children 2)
          Identifier x
          Identifier y
      Literal Array_[UInt64_1, UInt64_2, UInt64_3]
      Literal Array_[UInt64_4, UInt64_5, UInt64_6]
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function remote (children 1)
       ExpressionList (children 2)
        Literal \'127.0.0.{2,3}\'
        Identifier system.one
   ExpressionList (children 1)
    OrderByElement (children 1)
     Function rand (children 1)
      ExpressionList
