SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function length (children 1)
     ExpressionList (children 1)
      Function topKWeighted (children 2)
       ExpressionList (children 2)
        Identifier number
        Literal UInt64_1
       ExpressionList (children 1)
        Literal UInt64_20
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function remote (children 1)
       ExpressionList (children 3)
        Literal \'127.{1,1}\'
        Function currentDatabase (children 1)
         ExpressionList
        Identifier data_01409