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 \'абвгдеёжз\'
      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 \'абвгдеёжз\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.numbers
   Literal UInt64_5