SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Function round (children 1)
       ExpressionList (children 1)
        Function multiply (children 1)
         ExpressionList (children 2)
          Literal UInt64_1000
          Function ngramSearchUTF8 (children 1)
           ExpressionList (children 2)
            Literal \'абвгдеёжз\'
            Function materialize (children 1)
             ExpressionList (children 1)
              Literal \'абвгдеёж\'
      Function round (children 1)
       ExpressionList (children 1)
        Function multiply (children 1)
         ExpressionList (children 2)
          Literal UInt64_1000
          Function ngramSearchUTF8 (children 1)
           ExpressionList (children 2)
            Function materialize (children 1)
             ExpressionList (children 1)
              Literal \'абвгдеёжз\'
            Literal \'абвгдеёж\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.numbers
   Literal UInt64_5