SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    WithElement (children 1)
     Subquery (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 1)
        SelectQuery (children 1)
         ExpressionList (children 1)
          Literal UInt64_1 (alias column_a)
    WithElement (children 1)
     Subquery (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 1)
        SelectQuery (children 1)
         ExpressionList (children 1)
          Literal UInt64_2 (alias column_b)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 3)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function remote (alias c) (children 1)
       ExpressionList (children 3)
        Literal \'127.0.0.{1,2}\'
        Function currentDatabase (children 1)
         ExpressionList
        Identifier t
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier a
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier ID
        Identifier column_a
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier b
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier ID
        Identifier column_b
