SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    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 \'абв\'
          Literal \'\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.numbers
   Literal UInt64_5
