SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Identifier arr
   TablesInSelectQuery (children 3)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function remote (alias r) (children 1)
       ExpressionList (children 3)
        Literal \'127.0.0.{1,2}\'
        Function currentDatabase (children 1)
         ExpressionList
        Identifier local_table
    TablesInSelectQueryElement (children 1)
     ArrayJoin (children 1)
      ExpressionList (children 1)
       Identifier arr (alias arr_item)
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      Subquery (alias foo) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 1)
          ExpressionList (children 1)
           Literal UInt64_1 (alias arr_item)
     TableJoin (children 1)
      ExpressionList (children 1)
       Identifier arr_item
